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Next page >Rosaceae A: 01726424 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Bovill J. G. Jack 1374 1918-9-6
A: 01726425 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Helmer, Idaho. 2860 ft. alt. J. G. Jack 1361 1918-9-6
A: 01726426 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Bovill, Idaho. 2900 ft. alt. J. G. Jack 1359 1918-9-5
A: 01726427 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Elk River, Idaho. 4000 ft. alt. J. G. Jack 1336 1918-9-4
A: 01726428 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Foorhills, Moscow, Idaho J. G. Jack 1258 1918-9-1
A: 01726431 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Foothills, Moscow J. G. Jack 1273 1918-9-1
A: 01726432 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Mink Creek, 5600 ft. alt. Pocatello Nat. For... J. G. Jack 1185 1915-8-26
A: 01726433 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Yukon, Idaho J. G. Jack 1155 1918-8-25
A: 01726434 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Idaho Pocatello, Idaho J. G. Jack 1125 1918-8-24
A: 01726459 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana Many Glacier J. G. Jack 2009 1921-8-25
A: 01726462 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana Glacier Park J. G. Jack 1498 1918-9-14
A: 01726467 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana Glacier Park J. G. Jack 1497 1918-9-14
A: 01726470 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana St Mary Glacier Park J. G. Jack 1537 1918-9-14
A: 01726471 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana Belton J. G. Jack 1592 1918-9-17
A: 01726472 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana Avalanche Lake J. G. Jack 2293 1921-9-13
A: 01726474 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana Coram J. G. Jack 1580 1918-9-17
A: 01726475 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana St. Marys, Glacier Park J. G. Jack 1511 1918-9-14
A: 01726476 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Montana Many Glacier J. G. Jack 2007 1921-8-25
A: 01726620 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming East slope Bighorn Mts. above Dayton, Wyo. J. G. Jack 1900-9-3
A: 01726621 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming Moncreiffe's Ranch. Bighorn J. G. Jack 1900-8-30
A: 01726632 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming East slope Bighorn Mts., above Bighorn J. G. Jack 1900-8-28
A: 01726633 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming Yellowstone Park J. G. Jack 1904-9-7
A: 01726648 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming Rogers Canon, Laramie J. G. Jack 1051 1918-8-18
A: 00661023 Amelanchier arborea (F. Michaux) Fernald USA: New Hampshire Andover: Andover J. G. Jack 3948 1927-5-12
A: 00661024 Amelanchier arborea (F. Michaux) Fernald USA: New Hampshire Andover: Andover J. G. Jack 3944 1927-5-12
A: 01726909 Amelanchier arborea (F. Michaux) Fernald USA: Alabama Fairhope. J. G. Jack 3003 1924-3-12
A: 01727766 Amelanchier canadensis (Linnaeus) Medikus Canada: Nova Scotia Ohio J. G. Jack 3108 1924-6-17
GH: 01727767 Amelanchier canadensis (Linnaeus) Medikus Canada: Nova Scotia Summerville J. G. Jack 3491 1924-9-16
GH: 01727769 Amelanchier canadensis (Linnaeus) Medikus Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3639 1924-9-29
A: 01727773 Amelanchier canadensis (Linnaeus) Medikus Canada: Nova Scotia Cedar Lake J. G. Jack 3770 1924-10-8
A: 00483846 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Gloucester: East Gloucester J. G. Jack 1906-6-4
A: 01728107 Amelanchier humilis Wiegand Canada: Nova Scotia Tatamagouche J. G. Jack 3599 1924-9-23
A: 01728289 Amelanchier laevis Wiegand Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3639 1924-9-29
A: 01728315 Amelanchier laevis Wiegand Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3670 1924-10-1
A: 01728316 Amelanchier laevis Wiegand Canada: Nova Scotia Marshalls Town J. G. Jack 3187 1924-6-18
A: 01728317 Amelanchier laevis Wiegand Canada: Nova Scotia Pictou: Brown Point J. G. Jack 760 1918-6-19
A: 01728318 Amelanchier laevis Wiegand Canada: Nova Scotia Halifax: Off Tower road J. G. Jack 663 1918-6-16
GH: 01728319 Amelanchier laevis Wiegand Canada: Nova Scotia Marshalls Town J. G. Jack 3187 1924-6-18
A: 01728323 Amelanchier laevis Wiegand Canada: Nova Scotia Dartmouth J. G. Jack 3539 1924-9-21
A: 01728334 Amelanchier laevis Wiegand Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3648 1924-9-30
A: 01728336 Amelanchier laevis Wiegand Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3671 1924-10-1
A: 01728337 Amelanchier laevis Wiegand Canada: Nova Scotia Halifax: Point Pleasant Park J. G. Jack 680 1918-6-16
A: 01728338 Amelanchier laevis Wiegand Canada: Nova Scotia Truro: [no additional data] J. G. Jack 628 1918-6-15
A: 01728339 Amelanchier laevis Wiegand Canada: Nova Scotia Halifax: Pt. Pleasant Park J. G. Jack 717 1918-6-17
A: 01728341 Amelanchier laevis Wiegand Canada: Nova Scotia Port Mouton J. G. Jack 3478 1924-9-16
A: 01728342 Amelanchier laevis Wiegand Canada: Nova Scotia Marshalls Town J. G. Jack 3188 1924-6-18
A: 01728345 Amelanchier laevis Wiegand Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3651 1924-9-30
A: 01728346 Amelanchier laevis Wiegand Canada: Nova Scotia Corberrie J. G. Jack 3119 1924-6-17
A: 01728347 Amelanchier laevis Wiegand Canada: Nova Scotia Marshalltown J. G. Jack 3188 1924-10-5
A: 01728348 Amelanchier laevis Wiegand Canada: Nova Scotia Marshalltown J. G. Jack 3187 1924-10-5
A: 01728349 Amelanchier laevis Wiegand Canada: Nova Scotia Dartmouth J. G. Jack 689 1918-6-16
A: 01728367 Amelanchier laevis Wiegand Canada: Nova Scotia Truro: [no additional data] J. G. Jack 625 1918-6-15
A: 01728368 Amelanchier laevis Wiegand Canada: Nova Scotia Pictou: Brown's Point J. G. Jack 761 1918-6-19
A: 00743944 Amelanchier laevis Wiegand USA: Massachusetts East Gloucester J. G. Jack 1906-6-4
A: 00743827 Amelanchier laevis Wiegand USA: New Hampshire Andover: Andover J. G. Jack 3945 1927-5-12
A: 00743828 Amelanchier laevis Wiegand USA: New Hampshire Andover: Andover J. G. Jack 3947 1927-5-12
A: 00743829 Amelanchier laevis Wiegand USA: New Hampshire Andover: Andover J. G. Jack 3943 1927-5-12
A: 00740974 Amelanchier nantucketensis E. P. Bicknell USA: Massachusetts Sudbury: Sudbury J. G. Jack 3870 1927-5-11
A: 01729833 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Dartmouth J. G. Jack 684 1918-6-16
A: 01729834 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Maccan J. G. Jack 3583 1924-9-23
A: 01729852 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Halifax: off Tower road J. G. Jack 720 1918-6-17
A: 01729884 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Dartmouth J. G. Jack 3253 1924-6-21
A: 01729958 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Dartmouth J. G. Jack 705 1918-6-17
A: 01729960 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: New Brunswick Moncton: Sunny Brae; near Moncton J. G. Jack 601 1918-6-14
A: 01729967 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Dartmouth J. G. Jack 688 1918-6-16
A: 01729968 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Dartmouth J. G. Jack 3253 1924-10-1
A: 01729969 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Dartmouth J. G. Jack 685 1918-6-16
A: 01729975 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Truro: [no additional data] J. G. Jack 626 1918-6-15
A: 01729976 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Hubbard J. G. Jack 3538 1924-9-20
A: 01729977 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia N. Weymouth J. G. Jack 3344 1924-6-25
A: 01729993 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Ohio J. G. Jack 3106 1924-6-17
GH: 01730004 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia N. Wetmouth J. G. Jack 3344 1924-6-25
GH: 01730024 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Ohio J. G. Jack 3106 1924-6-17
GH: 01730044 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3271 1924-6-22
A: 01730072 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 781 1918-6-19
A: 01730076 Amelanchier neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell Canada: Nova Scotia Bass River J. G. Jack 3555 1924-9-22
A: 00740974 Amelanchier oblongifolia micropetala B. L. Robinson USA: Massachusetts Sudbury: Sudbury J. G. Jack 3870 1927-5-11
A: 01728690 Amelanchier pallida Greene USA: California Siskiyou Mts. J. G. Jack 1904-8-28
A: 01728713 Amelanchier pallida Greene USA: California Peckinpah's Mill. Sierras J. G. Jack 1907-8-6
A: 01729170 Amelanchier stolonifera Wiegand Canada: Nova Scotia River Philip J. G. Jack 3590 1924-9-24
GH: 01729186 Amelanchier stolonifera Wiegand Canada: Nova Scotia near Tusket J. G. Jack 3357 1924-6-25
A: 01729190 Amelanchier stolonifera Wiegand Canada: Nova Scotia Bridgewater: Lahave River J. G. Jack 3514 1924-9-19
A: 01729191 Amelanchier stolonifera Wiegand Canada: Nova Scotia River Philip J. G. Jack 3590 1924-9-24
A: 01729238 Amelanchier stolonifera Wiegand Canada: Nova Scotia Middleton: [no additional data] J. G. Jack 3209 1924-6-19
A: 01729246 Amelanchier stolonifera Wiegand Canada: Nova Scotia near Tusket J. G. Jack 3357 1924-6-25
A: 00661885 Amelanchier stolonifera Wiegand USA: New Hampshire Franklin: Franklin J. G. Jack 3872 1927-5-12
A: 00661850 Amelanchier stolonifera Wiegand USA: Massachusetts Rockport: Rockport J. G. Jack 1906-6-4
A: 00740682 Amelanchier stolonifera Wiegand USA: Massachusetts Cohasset: Cohasset J. G. Jack 2466 1922-7-7
A: 00674025 Amelanchier stolonifera Wiegand USA: Massachusetts Boylston: Boylston J. G. Jack 1898-7-2
A: 01729454 Amelanchier utahensis Koehne USA: Idaho Mink Creek Canon, Pocatello Nat. Forest. 600... J. G. Jack 1174 1918-8-26
A: 01729464 Amelanchier utahensis Koehne USA: Idaho Pocatello, Idaho J. G. Jack 1124 1918-8-24
A: 01729661 Amelanchier utahensis Koehne USA: Wyoming Centennial J. G. Jack 1089 1918-8-20
A: 01729662 Amelanchier utahensis Koehne USA: Wyoming Centennial J. G. Jack 1075 1918-8-19
A: 01729663 Amelanchier utahensis Koehne USA: Wyoming Laramie Hills J. G. Jack 1045 1918-8-18
A: 00744046 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Lynn: Lynn J. G. Jack 1886-10-10
A: 00744045 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Lynn: Lynn J. G. Jack 1986-5-29
A: 00744047 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Lynnfield: Lynnfield J. G. Jack 1923-5-25
A: 00744051 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Rockport: Rockport J. G. Jack 1906-6-4
A: 00738573 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Provincetown: Provincetown J. G. Jack 1906-8-23
A: 01730346 Aronia arbutifolia (Linnaeus) Persoon USA: Alabama Fairhope. J. G. Jack 3016 1924-3-22
A: 01730349 Aronia arbutifolia (Linnaeus) Persoon USA: Alabama Fairhope. J. G. Jack 2998 1924-3-13
A: 01730740 Aronia melanocarpa (Michaux) Elliott Canada: Nova Scotia Tufts Cove, Dartmouth J. G. Jack 3658 1924-9-30
A: 01730741 Aronia melanocarpa (Michaux) Elliott Canada: Nova Scotia Pleasant Valley J. G. Jack 3161 1924-6-17
A: 01730744 Aronia melanocarpa (Michaux) Elliott Canada: Nova Scotia Ohio J. G. Jack 3117 1924-6-17
A: 00738664 Aronia melanocarpa (Michaux) Elliott USA: Maine York: York J. G. Jack 1902-8-10
A: 00738702 Aronia melanocarpa (Michaux) Elliott USA: New Hampshire Londonderry: Londonderry J. G. Jack 53 1919-9-22
A: 00744182 Aronia melanocarpa (Michaux) Elliott USA: Massachusetts Petersham: Petersham J. G. Jack 1908-10-6
A: 00744183 Aronia melanocarpa (Michaux) Elliott USA: Massachusetts Petersham: Petersham J. G. Jack 1908-10-4
A: 01730843 Aronia melanocarpa (Michaux) Elliott USA: New York Chateaugay Lake J. G. Jack 1903-9-16
A: 01730995 Aronia melanocarpa elata Rehder USA: Massachusetts Boston: Francis Parkman Road Jam. [Jamaica] ... J. G. Jack 1902-9-17
A: 01756037 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Ohio J. G. Jack 3167 1924-6-17
A: 01756050 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Barrington: [no additional data] J. G. Jack 3441 1924-9-14
A: 01756052 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Havelock J. G. Jack 3436 1924-10-6
A: 01756053 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Tusket J. G. Jack 3404 1924-9-12
A: 01756054 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Summerville J. G. Jack 3495 1924-9-16
A: 01756055 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Dartmouth J. G. Jack 3654 1924-9-30
A: 01756056 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Tatamagouche J. G. Jack 3601 1924-9-25
A: 01756057 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3656 1924-9-30
A: 01756059 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Halifax: near Pt. Pleasant Park J. G. Jack 3241 1924-6-21
A: 01756060 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Halifax: near Pt. Pleasant Park J. G. Jack 3246 1924-6-21
A: 01756061 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Ohio J. G. Jack 3104 1924-6-17
A: 01756062 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 775 1918-6-19
A: 01756063 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Dartmouth J. G. Jack 686 1918-6-16
A: 01756064 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Halifax: off Tower road J. G. Jack 676 1918-6-16
A: 01756065 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 665 1918-6-16
A: 01756080 Aronia prunifolia (Marshall) Rehder Canada: New Brunswick Moncton: Sunny Brae; near Moncton J. G. Jack 599 1918-6-14
GH: 01756103 Aronia prunifolia (Marshall) Rehder Canada: Nova Scotia Tatamagouche J. G. Jack 3601 1924-9-25
A: 00744520 Aronia prunifolia (Marshall) Rehder USA: Maine York: York J. G. Jack 1910-6-5
A: 00744523 Aronia prunifolia (Marshall) Rehder USA: Maine Kittery: Kittery J. G. Jack 1900-6-5
A: 00744555 Aronia prunifolia (Marshall) Rehder USA: New Hampshire Laconia: Laconia J. G. Jack 30 1919-9-22
A: 00744600 Aronia prunifolia (Marshall) Rehder USA: Massachusetts Rockport: Rockport J. G. Jack 1906-6-4
A: 00738796 Aronia prunifolia (Marshall) Rehder USA: Massachusetts Provincetown: Provincetown J. G. Jack 1906-8-23
A: 00744914 Aronia prunifolia (Marshall) Rehder USA: Massachusetts Petersham: Petersham J. G. Jack 1908-10-1
A: 00744915 Aronia prunifolia (Marshall) Rehder USA: Massachusetts Petersham: Petersham J. G. Jack 1908-10-8
A: 00744916 Aronia prunifolia (Marshall) Rehder USA: Massachusetts Petersham: Petersham J. G. Jack 1908-10-6
A: 01587251 Cercocarpus ledifolius Nuttall USA: Wyoming Tongue River Canyon J. G. Jack 1900-9-5
A: 01587482 Cercocarpus montanus Rafinesque USA: Wyoming Laramie Hills, near Laramie, Wyo. J. G. Jack 1020 1918-8-16
A: 01587537 Cercocarpus montanus blancheae (C. K. Schneider) F. L. Martin USA: California Santa Catalina Is. J. G. Jack 1907-7-16
A: 01587668 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Northfork J. G. Jack 1907-8-7
A: 01587674 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Santa Barbara: [no additional data] J. G. Jack 1907-7-5
A: 01587676 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Santa Barbara: [no additional data] J. G. Jack 1907-7-9
A: 01587703 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Santa Barbara: [no additional data] J. G. Jack 1907-7-9
A: 00345576 Chamaebatia foliolosa Bentham USA: California Shinn's Camp, Sierras J. G. Jack 1907-8-2
A: 00345578 Chamaebatia foliolosa Bentham USA: California Shinn's Camp, Sierras J. G. Jack 1907-8-2
GH: 01607261 Comarum palustre Linnaeus Canada: Nova Scotia Indiantown; near Parrsboro J. G. Jack 3580 1924-9-23
A: 01607266 Comarum palustre Linnaeus Canada: Nova Scotia Indiantown, near Parrsboro J. G. Jack 3580 1924-9-23
A: 00756386 Comarum palustre Linnaeus USA: Massachusetts Dedham: Dedham J. G. Jack 3833 1926-6-24
A: 01607556 Comarum palustre Linnaeus USA: Montana Johns Lake Lake McDonald. Glacier National P... J. G. Jack 2313 1921-9-15
A: 00709846 Crataegus Linnaeus USA: Massachusetts Amherst: Amherst J. G. Jack 74 1906-9-28
A: 00709865 Crataegus Linnaeus USA: Massachusetts Belchertown: Belchertown J. G. Jack 83 1906-9-28
A: 01708579 Crataegus anomala Sargent Canada: Quebec Province Caughnawaga [near the banks of the St. Lawre... J. G. Jack 85 1900-9-24
A: 01708580 Crataegus anomala Sargent Canada: Quebec Province Caughnawaga [near the banks of the St. Lawre... J. G. Jack 85 1900-5-30
A: 00703081 Crataegus boyntonii Beadle USA: Massachusetts Belchertown: Belchertown J. G. Jack 21 1905-6-2
A: 00683480 Crataegus chadsfordiana Sargent USA: Massachusetts Boylston: Boylston J. G. Jack 33
A: 01758444 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 1917-10-28
A: 01758487 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 750 1918-6-19
A: 01758488 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3300 (=750 of 1918) 1924-6-23
A: 01758489 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3300 (=750 of 1918) 1924-9-26
A: 01758490 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: Brown Point J. G. Jack 764 1918-6-19
A: 01758491 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3293 (=756 of 1918) 1924-6-23
A: 01758492 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: near Brown Point J. G. Jack 756 1918-6-19
A: 01758493 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: near Brown Point J. G. Jack 755 1918-6-18
A: 01758494 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3292 (=755 of 1918) 1924-6-23
A: 01758507 Crataegus chrysocarpa Ashe Canada: Nova Scotia Southampton J. G. Jack 3582 1924-9-23
A: 01758510 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: near Brown Point J. G. Jack 754 1918-6-19
A: 01758511 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 741 1918-6-19
A: 01758512 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 740 1918-6-19
A: 01758580 Crataegus chrysocarpa Ashe Canada: Nova Scotia Bank of Shubenacadie River; Elmsdale J. G. Jack 3643 1924-9-29
A: 01758702 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3268 1924-9-29
A: 01758703 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3268 1924-6-22
A: 01758704 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3268 1924-9-29
A: 01758705 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3637 1924-9-29
A: 01758706 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3635 (=620 of 1918) 1924-9-29
A: 01758707 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3285 (=739 of 1918) 1924-6-23
A: 01758708 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 739 1918-6-19
A: 01758709 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3293 (=756 of 1918) 1924-9-26
A: 01758710 Crataegus chrysocarpa Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3606 (=739 of 1918) 1924-9-26
A: 01758711 Crataegus chrysocarpa Ashe Canada: Nova Scotia River Philip J. G. Jack 3595 1924-9-24
A: 01758712 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3270 1924-9-29
A: 01758723 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3270 1924-6-22
A: 01758725 Crataegus chrysocarpa Ashe Canada: Nova Scotia Bank of Shubenacadie River; Elmsdale J. G. Jack 3643 1924-9-29
A: 01758794 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 621 1918-6-15
A: 01758795 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 652 1915-6-15
A: 01758796 Crataegus chrysocarpa Ashe Canada: Nova Scotia Truro: [no additional data] J. G. Jack 619 1918-6-15
A: 01758797 Crataegus chrysocarpa Ashe Canada: New Brunswick Fredericton J. G. Jack 582 1918-6-13
A: 01758798 Crataegus chrysocarpa Ashe Canada: New Brunswick Fredericton J. G. Jack 590 1918-6-13
A: 01759118 Crataegus chrysocarpa phoenicea Palmer Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 752 1918-6-19
A: 00359455 Crataegus chrysocarpa Ashe USA: Massachusetts Boston: [The Arnold] Arboretum, Peters Hill ... J. G. Jack 1910-5-23
A: 00683566 Crataegus chrysocarpa Ashe USA: Maine Kittery: Kittery J. G. Jack 1899-9-17
A: 00683567 Crataegus chrysocarpa Ashe USA: Maine Kittery: Kittery J. G. Jack 1900-6-5
A: 00683568 Crataegus chrysocarpa Ashe USA: Maine York: York J. G. Jack 3395 1924-10-16
GH: 00683569 Crataegus chrysocarpa Ashe USA: Maine York: York J. G. Jack 3395 1924-10-16
A: 00683570 Crataegus chrysocarpa Ashe USA: Maine York: York J. G. Jack 1899-9-18
A: 00674691 Crataegus chrysocarpa Ashe USA: Massachusetts Berlin: Berlin J. G. Jack 1899-8-3
A: 00674693 Crataegus chrysocarpa Ashe USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 3 1906-9-29
A: 00674695 Crataegus chrysocarpa Ashe USA: Massachusetts Belchertown: Belchertown J. G. Jack 44 1906-9-28
A: 00674696 Crataegus chrysocarpa Ashe USA: Massachusetts Belchertown: Belchertown J. G. Jack 22 1906-9-28
GH: 01759058 Crataegus chrysocarpa Ashe USA: Wyoming Kearney J. G. Jack 1900-8-16
A: 01759063 Crataegus chrysocarpa Ashe USA: Wyoming Moncreiffe Ranch. Bighorn J. G. Jack 4 1900-8-30
A: 01759064 Crataegus chrysocarpa Ashe USA: Wyoming Moncreiffe Ranch. Bighorn J. G. Jack 3 1900-8-30
A: 01759065 Crataegus chrysocarpa Ashe USA: Wyoming East of Bighorn, Wyoming J. G. Jack 1900-9-10
A: 01759066 Crataegus chrysocarpa Ashe USA: Wyoming Moncreiffe Ranch. Bighorn J. G. Jack 5 1900-8-30
A: 01759067 Crataegus chrysocarpa Ashe USA: Wyoming Sheridan J. G. Jack 1900-7-7
A: 01759068 Crataegus chrysocarpa Ashe USA: Wyoming Kearney J. G. Jack 1900-8-16
A: 00674812 Crataegus coccinea Linnaeus USA: Massachusetts Rockport: Rockport J. G. Jack 1906-6-4
A: 00359455 Crataegus coccinea rotundifolia (Moench) Sargent USA: Massachusetts Boston: [The Arnold] Arboretum, Peters Hill ... J. G. Jack 1910-5-23
A: 00669076 Crataegus cognata Sargent USA: Massachusetts Mt. Toby [Leverett/Sunderland] J. G. Jack 56 1905-6-1
A: 01759650 Crataegus colorado Ashe USA: Colorado Collected along Buffalo Creek J. G. Jack 1898-10-6
A: 01759658 Crataegus colorado Ashe USA: Montana Trout Creek J. G. Jack 1904-9-1
A: 01759667 Crataegus colorado Ashe USA: Wyoming Moncreiffe Ranch. Bighorn J. G. Jack 1 1900-8-30
A: 01759668 Crataegus colorado Ashe USA: Wyoming East of Bighorn J. G. Jack 1900-9-10
A: 01759670 Crataegus colorado Ashe USA: Wyoming Banner J. G. Jack 1900-8-16
A: 01759671 Crataegus colorado Ashe USA: Wyoming Tongue River Canyon J. G. Jack 1900-9-5
A: 01759672 Crataegus columbiana Sargent USA: Montana Columbia Falls J. G. Jack 2422 1921-9-21
A: 01759673 Crataegus columbiana Sargent USA: Montana Polson J. G. Jack 1624 1918-9-19
A: 01759674 Crataegus columbiana Sargent USA: Montana Columbia Falls J. G. Jack 2422 1921-9-21
A: 01759675 Crataegus columbiana Sargent USA: Montana Columbia Falls J. G. Jack 1572 1918-9-17
A: 01759676 Crataegus columbiana Sargent USA: Montana Polson J. G. Jack 1623 1918-9-19
A: 01759679 Crataegus columbiana Sargent USA: Montana N. bank of Flathead River Belton; Glacier Na... J. G. Jack 2367 1921-9-17
A: 01759687 Crataegus columbiana Sargent USA: Montana Kalispell J. G. Jack 1560 1918-9-15
A: 01759688 Crataegus columbiana Sargent USA: Montana Kalispell J. G. Jack 1558 1918-9-15
A: 01759689 Crataegus columbiana Sargent USA: Montana Kalispell J. G. Jack 1556 1918-9-15
A: 01759690 Crataegus columbiana Sargent USA: Montana Banks of Flathead River; Belton J. G. Jack 1596 1918-9-17
A: 01760108 Crataegus crus-galli Linnaeus USA: Idaho Moscow: [no additional data] J. G. Jack 1261 1918-9-1
A: 00683931 Crataegus dilatata Sargent USA: Massachusetts Somerset: Somerset J. G. Jack 1903-5-21
A: 00683940 Crataegus dilatata Sargent USA: Massachusetts Boylston: Boylston J. G. Jack 1898-5-23
A: 00683942 Crataegus dilatata Sargent USA: Massachusetts West Boylston: West Boylston J. G. Jack 8 1899-9-8
A: 00683943 Crataegus dilatata Sargent USA: Massachusetts West Boylston: West Boylston J. G. Jack 8 1899-8-3
A: 00683944 Crataegus dilatata Sargent USA: Massachusetts West Boylston: West Boylston J. G. Jack 1899-5-22
A: 00683982 Crataegus dissona Sargent USA: Massachusetts Amherst: Amherst J. G. Jack 33 1905-6-2
A: 00683983 Crataegus dissona Sargent USA: Massachusetts Amherst: Amherst J. G. Jack 66 1905-6-2
A: 00683985 Crataegus dissona Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 1905-6-2
A: 00683991 Crataegus dissona bellula (Sargent) Kruschke USA: Massachusetts Somerset: Somerset J. G. Jack 6 1903-5-21
A: 00683992 Crataegus dissona bellula (Sargent) Kruschke USA: Massachusetts Somerset: Somerset J. G. Jack 1903-9-26
A: 00683993 Crataegus dissona bellula (Sargent) Kruschke USA: Massachusetts Somerset: Somerset J. G. Jack 1903-9-26
A: 00683994 Crataegus dissona bellula (Sargent) Kruschke USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 5 1906-9-29
A: 00673584 Crataegus dodgei Ashe USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 2 1906-9-29
A: 00673585 Crataegus dodgei Ashe USA: Massachusetts Amherst: Amherst J. G. Jack 65 1905-6-2
A: 01612440 Crataegus douglasii Lindley Canada: British Columbia Hatzic (C.P.R.) J. G. Jack 2891 1922-9-15
A: 01612441 Crataegus douglasii Lindley Canada: British Columbia Victoria: [no additional data] J. G. Jack 1904-8-17
A: 02052168 Crataegus douglasii Lindley Canada: British Columbia Victoria: Beacon Hill Park J. G. Jack 2864 1922-9-13
A: 01612486 Crataegus douglasii Lindley USA: Idaho Bovill J. G. Jack 1375 1918-9-6
A: 01612487 Crataegus douglasii Lindley USA: Idaho Bovill J. G. Jack 1358 1918-9-5
A: 01612488 Crataegus douglasii Lindley USA: Idaho Foothills, Moscow J. G. Jack 1274 1918-9-1
A: 01612489 Crataegus douglasii Lindley USA: Idaho 2.5 miles E. of Moscow J. G. Jack 1255 1918-9-1
A: 01612490 Crataegus douglasii Lindley USA: Idaho 2 miles E. of Moscow J. G. Jack 1254 1918-9-1
A: 01612491 Crataegus douglasii Lindley USA: Idaho Mink Creek, Portello Nat. Forest J. G. Jack 1180 1918-8-26
A: 01612493 Crataegus douglasii Lindley USA: Idaho Mink Creek, Poccatello Nat. Forest J. G. Jack 1173 1918-8-26
A: 01612504 Crataegus douglasii Lindley USA: Idaho Sandpoint J. G. Jack 1489 1918-9-13
A: 01612505 Crataegus douglasii Lindley USA: Idaho Sandpoint J. G. Jack 1489 1918-9-13
A: 01612578 Crataegus douglasii Lindley USA: Montana Columbia Falls J. G. Jack 2417 1921-9-21
A: 01612579 Crataegus douglasii Lindley USA: Montana Swan Lake J. G. Jack 2382 1921-9-18
A: 01612580 Crataegus douglasii Lindley USA: Montana Johns Lake Lake McDonald; Glacier National P... J. G. Jack 2316 1921-9-15
A: 01612581 Crataegus douglasii Lindley USA: Montana Avalanche Lake; Glacier National Park J. G. Jack 2294 1921-9-13
A: 01612582 Crataegus douglasii Lindley USA: Montana Dixon J. G. Jack 1626 1918-9-19
A: 01612583 Crataegus douglasii Lindley USA: Montana Dixon J. G. Jack 1626 1918-9-19
A: 01612584 Crataegus douglasii Lindley USA: Montana Polson J. G. Jack 1625 1918-9-19
A: 01612585 Crataegus douglasii Lindley USA: Montana Columbia Falls J. G. Jack 1578 1918-9-17
A: 01612586 Crataegus douglasii Lindley USA: Montana Kalispell J. G. Jack 1565 1918-9-16
A: 01612786 Crataegus douglasii Lindley USA: Wyoming Moucreiffe Ranch. Bighorn J. G. Jack 2 1900-8-30
A: 01612787 Crataegus douglasii Lindley USA: Wyoming Kearney J. G. Jack 1900-8-16
A: 01612788 Crataegus douglasii Lindley USA: Wyoming Banner J. G. Jack 1900-8-16
A: 01612789 Crataegus douglasii Lindley USA: Wyoming Tensleep Creek J. G. Jack 1900-8-9
GH: 01612866 Crataegus erythropoda Ashe USA: Wyoming Kearney J. G. Jack 1900-8-16
A: 01612926 Crataegus flabellata (Bosc ex Spach) K. Koch Canada: New Brunswick Fredericton J. G. Jack 591 1918-6-13
A: 00706068 Crataegus forbesiae Sargent USA: Massachusetts South Amherst J. G. Jack 72 1905-6-2
A: 00706086 Crataegus holmesiana Ashe USA: New Hampshire Haverhill: Haverhill J. G. Jack 1899-8-31
A: 00706111 Crataegus holmesiana Ashe USA: Massachusetts Berlin: Berlin J. G. Jack 14 1899-8-3
A: 00706112 Crataegus holmesiana Ashe USA: Massachusetts Berlin: Berlin J. G. Jack 1900-5-25
A: 00694092 Crataegus intricata Lange USA: Massachusetts Sharon: Sharon J. G. Jack 1916-6-6
A: 00694124 Crataegus intricata Lange USA: Massachusetts West Boylston: West Boylston J. G. Jack 4 1899-9-8
A: 00694125 Crataegus intricata Lange USA: Massachusetts West Boylston: West Boylston J. G. Jack 59 1899-10-5
A: 00694129 Crataegus intricata Lange USA: Massachusetts Berlin: Berlin J. G. Jack 1900-10-6
A: 00694130 Crataegus intricata Lange USA: Massachusetts Berlin: Berlin J. G. Jack 47 1899-10-26
A: 00694131 Crataegus intricata Lange USA: Massachusetts Berlin: Berlin J. G. Jack 1900-6-7
A: 00694132 Crataegus intricata Lange USA: Massachusetts West Boylston: West Boylston J. G. Jack 1899-6-1
A: 00694136 Crataegus intricata Lange USA: Massachusetts Amherst: Amherst J. G. Jack 78 1906-9-28
A: 00694137 Crataegus intricata Lange USA: Massachusetts Amherst: Amherst J. G. Jack 78 1905-6-1
A: 00694138 Crataegus intricata Lange USA: Massachusetts Amherst: Amherst J. G. Jack 58 1906-9-28
A: 00694139 Crataegus intricata Lange USA: Massachusetts Amherst: Amherst J. G. Jack 1905-6-1
A: 00694140 Crataegus intricata Lange USA: Massachusetts Amherst: Amherst J. G. Jack 58 1905-6-1
A: 00694141 Crataegus intricata Lange USA: Massachusetts Amherst: Amherst J. G. Jack 1905-6-1
A: 00694142 Crataegus intricata Lange USA: Massachusetts Belchertown: Belchertown J. G. Jack 1905-6-2
A: 00694143 Crataegus intricata Lange USA: Massachusetts Belchertown: Belchertown J. G. Jack 1905-6-2
A: 00694267 Crataegus jesupii Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 82 1905-6-2
A: 00694268 Crataegus jesupii Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 82 1906-9-28
A: 00694269 Crataegus jesupii Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 23 1905-6-2
A: 00694270 Crataegus jesupii Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 23 1905-6-2
A: 01614773 Crataegus jonesiae Sargent Canada: Nova Scotia Bell Point; Port Mouton J. G. Jack 3480 1924-9-16
A: 01614774 Crataegus jonesiae Sargent Canada: Nova Scotia Eel Brook J. G. Jack 3406 1924-10-7
A: 01614778 Crataegus jonesiae Sargent Canada: New Brunswick St. Mary's J. G. Jack 576 1918-6-12
A: 01614780 Crataegus jonesiae Sargent Canada: New Brunswick Fredericton J. G. Jack 572 1918-6-12
A: 01614781 Crataegus jonesiae Sargent Canada: New Brunswick King St., Fredericton J. G. Jack 571 1918-6-12
A: 01614782 Crataegus jonesiae Sargent Canada: Nova Scotia Barton J. G. Jack 3343 1924-6-25
A: 01614783 Crataegus jonesiae Sargent Canada: Nova Scotia Marshalltown J. G. Jack 3186 1924-10-5
A: 01614784 Crataegus jonesiae Sargent Canada: Nova Scotia Marshalls Town J. G. Jack 3186 1924-6-18
A: 01614785 Crataegus jonesiae Sargent Canada: Nova Scotia Port Mouton J. G. Jack 3481 1924-9-16
A: 01614786 Crataegus jonesiae Sargent Canada: Nova Scotia Mahone Bay J. G. Jack 3523 1924-9-19
A: 01614787 Crataegus jonesiae Sargent Canada: Nova Scotia Mahone Bay J. G. Jack 3529 1924-9-20
A: 01614788 Crataegus jonesiae Sargent Canada: Nova Scotia Barton J. G. Jack 3720 1924-10-6
A: 01614789 Crataegus jonesiae Sargent Canada: Nova Scotia Eel Brook J. G. Jack 3406 1924-9-12
A: 01614790 Crataegus jonesiae Sargent Canada: Nova Scotia Westville J. G. Jack 3280 1924-6-22
A: 01614791 Crataegus jonesiae Sargent Canada: Nova Scotia Gilbert Cove J. G. Jack 3728 1924-10-6
A: 00694299 Crataegus keepii Sargent USA: Maine Kittery: Kittery J. G. Jack 1910-6-5
A: 00694301 Crataegus keepii Sargent USA: Maine York: York J. G. Jack 1900-6-5
A: 01615292 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Newport J. G. Jack 734 1918-6-18
A: 01615293 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Pictou: Brown Point J. G. Jack 759 1918-6-19
A: 01615294 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Pictou: Brown Point J. G. Jack 763 1918-6-19
A: 01615295 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Aylesford J. G. Jack 3213 1924-6-19
A: 01615296 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Dartmouth J. G. Jack 3251 1924-6-21
A: 01615297 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia St. Croix J. G. Jack 3383 1924-6-24
A: 01615298 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia St. Croix J. G. Jack 3383 1924-6-24
A: 01615311 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia St. Croix River, at Falls; St. Croix J. G. Jack 3321 1924-10-3
A: 01615312 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Pictou: Brown Point J. G. Jack 3617 (=759 of 1918) 1924-9-27
A: 01615313 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Pictou: Brown Point J. G. Jack 3619 1924-9-27
A: 01615314 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Dartmouth J. G. Jack 3666 (=701 of 1918) 1924-10-1
A: 01615315 Crataegus macracantha Loddiges ex Loudon Canada: Nova Scotia Bedford J. G. Jack 3675 1924-10-2
A: 00669235 Crataegus macracantha Loddiges ex Loudon USA: Maine York: York J. G. Jack 2 1899-9-18
A: 00669230 Crataegus macracantha Loddiges ex Loudon USA: Maine Kittery: Gerrish Island J. G. Jack 3 1899-9-17
A: 00669231 Crataegus macracantha Loddiges ex Loudon USA: Maine Kittery: Gerrish Island J. G. Jack
A: 00768322 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Somerset: Somerset J. G. Jack 1903-5-21
A: 00768323 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Somerset: Somerset J. G. Jack 1 1903-9-26
A: 00768336 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts West Boylston: West Boylston J. G. Jack 1899-9-8
A: 00768341 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Amherst: Amherst J. G. Jack 40 1905-6-1
A: 00768342 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Mt. Toby J. G. Jack 59 1906-9-28
A: 00768343 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Mt. Toby J. G. Jack 40 1906-9-28
A: 00768344 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Mt. Toby J. G. Jack 40 1906-9-28
A: 00768349 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 1906-9-29
A: 00768350 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 6 1906-9-29
A: 01615628 Crataegus macracantha occidentalis (Britton) Eggleston USA: Montana Dixon J. G. Jack 1627 1918-9-19
A: 01615629 Crataegus macracantha occidentalis (Britton) Eggleston USA: Montana Dixon J. G. Jack 1627 1918-9-19
GH: 01615653 Crataegus macracantha occidentalis (Britton) Eggleston USA: Wyoming Bighorn J. G. Jack 1900-9-10
A: 01615661 Crataegus macrosperma Ashe Canada: Nova Scotia Tatamagouche J. G. Jack 3604 1924-9-25
A: 01615662 Crataegus macrosperma Ashe Canada: Nova Scotia Parrsboro J. G. Jack 3572 1924-9-23
A: 01615663 Crataegus macrosperma Ashe Canada: Nova Scotia East Leicester J. G. Jack 3584 1924-9-24
A: 01615664 Crataegus macrosperma Ashe Canada: Nova Scotia Glenwood J. G. Jack 3422 1924-9-13
A: 01615665 Crataegus macrosperma Ashe Canada: Nova Scotia River Philip J. G. Jack 3591 1924-9-24
A: 01615666 Crataegus macrosperma Ashe Canada: Nova Scotia Corberrie J. G. Jack 3737 1924-10-6
A: 01615693 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 733 1918-6-18
A: 01615694 Crataegus macrosperma Ashe Canada: Nova Scotia Glenwood J. G. Jack 3425 1924-9-13
A: 01615695 Crataegus macrosperma Ashe Canada: Nova Scotia Tufts Cove, Bedford Basin; Dartmouth J. G. Jack 707 1918-6-17
A: 01615696 Crataegus macrosperma Ashe Canada: Nova Scotia Bridgewater: Bank of Lahave River J. G. Jack 3509 1924-9-19
A: 01615697 Crataegus macrosperma Ashe Canada: Nova Scotia Tufts Cove, Bedford Basin; Dartmouth J. G. Jack 709 1918-6-17
A: 01615698 Crataegus macrosperma Ashe Canada: Nova Scotia Tufts Cove, Bedford Basin; Dartmouth J. G. Jack 708 1918-6-17
A: 01615699 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 3322 1924-6-24
A: 01615700 Crataegus macrosperma Ashe Canada: Nova Scotia Bank of Sackville River; Sackville J. G. Jack 3680 1924-10-2
A: 01615701 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 3250 1924-6-21
A: 01615702 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 3219 1924-6-20
A: 01615703 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 3322 1924-10-3
A: 01615709 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 698 1918-6-16
A: 01615710 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 704 1918-6-17
A: 01615711 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 690 1918-6-16
A: 01615755 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 3667 (=698?) 1924-10-1
A: 01615756 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 1924-10-1
A: 01615757 Crataegus macrosperma Ashe Canada: Nova Scotia Shubenacadie River; Enfield J. G. Jack 3312 1924-9-21
A: 01615758 Crataegus macrosperma Ashe Canada: Nova Scotia Enfield J. G. Jack 3312 1924-6-23
A: 01615759 Crataegus macrosperma Ashe Canada: Nova Scotia Pictou: Brown Point J. G. Jack 3620 1924-9-27
A: 01615760 Crataegus macrosperma Ashe Canada: Nova Scotia Mahone Bay J. G. Jack 3530 1924-9-20
A: 01615761 Crataegus macrosperma Ashe Canada: Nova Scotia Mahone Bay J. G. Jack 3530 1924-9-20
A: 01615762 Crataegus macrosperma Ashe Canada: Nova Scotia Glenwood J. G. Jack 3424 1924-9-13
A: 01615778 Crataegus macrosperma Ashe Canada: Nova Scotia Sable River J. G. Jack 3470 1924-9-15
A: 01615779 Crataegus macrosperma Ashe Canada: Nova Scotia Brown Point J. G. Jack 1918-6-19
A: 01615780 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 725 1918-6-18
A: 01615781 Crataegus macrosperma Ashe Canada: Nova Scotia Wobamkek Beach; Port Mouton J. G. Jack 3471 1924-9-16
A: 01615782 Crataegus macrosperma Ashe Canada: Nova Scotia Liverpool J. G. Jack 3497 1924-9-17
A: 01615783 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 702 1918-6-16
A: 01615784 Crataegus macrosperma Ashe Canada: Nova Scotia Pictou: near Brown Point J. G. Jack 757 1918-6-19
A: 01615785 Crataegus macrosperma Ashe Canada: Nova Scotia Tatamagouche J. G. Jack 3604 1924-9-25
A: 01615786 Crataegus macrosperma Ashe Canada: Nova Scotia Bear River J. G. Jack 3712 1924-10-5
A: 01615787 Crataegus macrosperma Ashe Canada: Nova Scotia Sable River J. G. Jack 3470 1924-9-15
A: 01615788 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 725 1918-6-18
A: 01615789 Crataegus macrosperma Ashe Canada: Nova Scotia Port Mouton J. G. Jack 3483 1924-9-16
A: 01615790 Crataegus macrosperma Ashe Canada: Nova Scotia Port Mouton J. G. Jack 3483 1924-9-16
A: 01615791 Crataegus macrosperma Ashe Canada: Nova Scotia Port Mouton J. G. Jack 3484 1924-9-16
GH: 01615792 Crataegus macrosperma Ashe Canada: Nova Scotia Port Mouton J. G. Jack 3484 1924-9-16
A: 01615822 Crataegus macrosperma Ashe Canada: Nova Scotia Westville J. G. Jack 3284 1924-6-22
A: 01615823 Crataegus macrosperma Ashe Canada: Nova Scotia Waverley J. G. Jack 3262 1924-6-21
A: 01615824 Crataegus macrosperma Ashe Canada: Nova Scotia Shore of Lake Thomas; Waverley J. G. Jack 3318 1924-6-23
A: 01615825 Crataegus macrosperma Ashe Canada: Nova Scotia Port Mouton J. G. Jack 3482 1924-9-16
A: 01615826 Crataegus macrosperma Ashe Canada: Nova Scotia Lakeland (Mt. Uniacke) J. G. Jack 3683 1924-10-2
A: 01615827 Crataegus macrosperma Ashe Canada: Nova Scotia Lakeland (Mt. Uniacke) J. G. Jack 3683 1924-10-2
A: 01615828 Crataegus macrosperma Ashe Canada: Nova Scotia Yarmouth: [no additional data] J. G. Jack 3350 1924-6-25
A: 01615829 Crataegus macrosperma Ashe Canada: Nova Scotia Yarmouth: [no additional data] J. G. Jack 3360 1924-6-25
A: 01615830 Crataegus macrosperma Ashe Canada: Nova Scotia Yarmouth: [no additional data] J. G. Jack 3360 1924-10-7
A: 01615842 Crataegus macrosperma Ashe Canada: New Brunswick Moncton: Sunny Brae, near Moncton J. G. Jack 598 1918-6-14
A: 01615855 Crataegus macrosperma Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3294 1924-9-26
A: 01615890 Crataegus macrosperma Ashe Canada: Nova Scotia Five Mile Plains; Newport J. G. Jack 3219 1924-10-3
A: 01615891 Crataegus macrosperma Ashe Canada: Nova Scotia Five Mile Plains; Newport J. G. Jack 3219 1924-10-3
A: 01615892 Crataegus macrosperma Ashe Canada: Nova Scotia Windsor: [no additional data] J. G. Jack 721 1918-6-18
A: 01615894 Crataegus macrosperma Ashe Canada: Nova Scotia Deerfield J. G. Jack 3102 1924-6-17
A: 01615895 Crataegus macrosperma Ashe Canada: Nova Scotia Glenwood J. G. Jack 3423 1924-9-13
A: 01615896 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 3252 1924-6-21
A: 01615897 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 3252 (=702 of 1918) 1924-10-1
A: 01615898 Crataegus macrosperma Ashe Canada: Nova Scotia Dartmouth J. G. Jack 3252 (=702 of 1918) 1924-10-1
A: 01615935 Crataegus macrosperma Ashe Canada: Nova Scotia Pictou: near Brown Point J. G. Jack 758 1918-6-19
A: 01615936 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 724 1918-6-18
A: 01615937 Crataegus macrosperma Ashe Canada: Nova Scotia Yarmouth: [no additional data] J. G. Jack 3350 1924-10-8
A: 01615938 Crataegus macrosperma Ashe Canada: Nova Scotia Argyle: [no additional data] J. G. Jack 3430 1924-9-13
A: 01615939 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 726 1918-6-18
A: 01615940 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 732 1918-6-18
A: 01615941 Crataegus macrosperma Ashe Canada: Nova Scotia Newport J. G. Jack 733 1918-6-18
A: 01615942 Crataegus macrosperma Ashe Canada: Nova Scotia New Glasgow J. G. Jack 3628 1924-9-27
A: 01615943 Crataegus macrosperma Ashe Canada: Nova Scotia New Glasgow J. G. Jack 3628 1924-9-27
A: 01615944 Crataegus macrosperma Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3614 (=758 of 1918) 1924-9-26
A: 01615945 Crataegus macrosperma Ashe Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3294 1924-6-23
A: 00694580 Crataegus macrosperma Ashe USA: New Hampshire Tamworth: Tamworth J. G. Jack 6 1919-9-19
A: 00694892 Crataegus macrosperma Ashe USA: Vermont St. Albans J. G. Jack 1901-9-20
A: 00709161 Crataegus macrosperma Ashe USA: Massachusetts Somerset: Somerset J. G. Jack 2 1903-9-26
A: 00709162 Crataegus macrosperma Ashe USA: Massachusetts Somerset: Somerset J. G. Jack 2 1903-5-21
GH: 00709187 Crataegus macrosperma Ashe USA: Massachusetts Berlin: Berlin J. G. Jack 1900-7-25
GH: 00709188 Crataegus macrosperma Ashe USA: Massachusetts Berlin: Berlin J. G. Jack 1900-5-25
A: 00709189 Crataegus macrosperma Ashe USA: Massachusetts Berlin: Berlin J. G. Jack 15 1899-8-3
A: 00709208 Crataegus macrosperma Ashe USA: Massachusetts Petersham: Petersham J. G. Jack 1910-5-20
A: 00706641 Crataegus macrosperma Ashe USA: Massachusetts Amherst: Amherst J. G. Jack 1906-9-28
A: 00706642 Crataegus macrosperma Ashe USA: Massachusetts Amherst: Amherst J. G. Jack 73 1905-6-1
A: 00706643 Crataegus macrosperma Ashe USA: Massachusetts Amherst: Amherst J. G. Jack 73 1906-9-28
A: 00706644 Crataegus macrosperma Ashe USA: Massachusetts Amherst: Amherst J. G. Jack 77 1906-9-28
A: 00706651 Crataegus macrosperma Ashe USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 7 1906-9-29
A: 00706652 Crataegus macrosperma Ashe USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 1 1906-9-29
A: 00709349 Crataegus media Sargent USA: Massachusetts Amherst: Amherst J. G. Jack 76 1906-9-28
A: 00709350 Crataegus media Sargent USA: Massachusetts Amherst: Amherst J. G. Jack 76 1905-6-1
A: 01668832 Crataegus monogyna Jacquin Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3607 1924-9-26
A: 01668833 Crataegus monogyna Jacquin Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3289 1924-6-23
A: 01668834 Crataegus monogyna Jacquin Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 751 1918-6-19
A: 01668835 Crataegus monogyna Jacquin Canada: Nova Scotia Windsor: [no additional data] J. G. Jack 736 1918-6-19
A: 01668836 Crataegus monogyna Jacquin Canada: Nova Scotia Halifax: Off Tower Road J. G. Jack 669 1918-6-16
A: 01668837 Crataegus monogyna Jacquin Canada: New Brunswick Fredericton J. G. Jack 583 1918-6-13
A: 01668838 Crataegus monogyna Jacquin Canada: Nova Scotia Truro: [no additional data] J. G. Jack 1917-10-28
A: 00709397 Crataegus pedicellata Sargent USA: Massachusetts Rockport: Rockport J. G. Jack 1906-6-4
A: 00709401 Crataegus pedicellata Sargent USA: Massachusetts Amherst: Amherst J. G. Jack 7-10 1905-6-1
A: 00709402 Crataegus pedicellata Sargent USA: Massachusetts Amherst: Amherst J. G. Jack 79 1906-9-28
A: 01669463 Crataegus pedicellata Sargent USA: New York Chateaugay Lake J. G. Jack 2 1905-6-7
A: 01669464 Crataegus pedicellata Sargent USA: New York Chateaugay Lake J. G. Jack 2 1903-9-15
A: 00669168 Crataegus populnea Ashe USA: Massachusetts Amherst: Amherst J. G. Jack 77 1905-6-1
A: 00706766 Crataegus pringlei Sargent USA: Vermont St. Albans J. G. Jack 1901-9-20
A: 00737990 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Somerset: Somerset J. G. Jack 5 1903-9-26
A: 00737992 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Somerset: Somerset J. G. Jack 5 1903-5-21
A: 00737993 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Somerset: Somerset J. G. Jack 3 1903-9-26
A: 00737994 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Somerset: Somerset J. G. Jack 3 1903-5-21
A: 00669076 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Mt. Toby [Leverett/Sunderland] J. G. Jack 56 1905-6-1
A: 00669077 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Mt. Toby [Leverett/Sunderland] J. G. Jack 56 1906-9-28
A: 00669078 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Mt. Toby [Leverett/Sunderland] J. G. Jack 60 1906-9-28
A: 00669079 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Mt. Toby [Leverett/Sunderland]
J. G. Jack 75 1906-9-28
A: 00669080 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Mt. Toby [Leverett/Sunderland] J. G. Jack 75 1905-6-1
A: 00669082 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Northampton: Northampton J. G. Jack 1906-9-29
GH: 00673029 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts West Boylston: West Boylston J. G. Jack 10 1899-10-5
A: 00673030 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts West Boylston: West Boylston J. G. Jack 10 1899-10-5
A: 00673034 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 0 1906-9-29
A: 00669171 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Amherst: Amherst J. G. Jack 39 1906-9-28
A: 00669172 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Amherst: Amherst J. G. Jack 39 1905-6-1
A: 00669173 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Amherst: Amherst J. G. Jack 38 1906-9-28
A: 00669174 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Amherst: Amherst J. G. Jack 38 1905-6-1
A: 00669175 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Amherst: Amherst J. G. Jack 74 1905-6-1
A: 01646605 Crataegus punctata Jacquin Canada: New Brunswick Fredericton J. G. Jack 570 1918-6-12
A: 01647454 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Colorado Grant J. G. Jack 1898-10-12
A: 01647455 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Colorado Grant J. G. Jack 1898-10-1
A: 01647470 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Idaho Pocatello Nat. Forest J. G. Jack 1175 1918-8-26
A: 01647471 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Idaho Pocatello Nat. Forest J. G. Jack 1172 1918-8-26
A: 01647475 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Idaho Yukon J. G. Jack 1147 1918-8-25
A: 01647520 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Wyoming Laramie J. G. Jack 1013 1918-8-16
A: 00359455 Crataegus rotundifolia Moench USA: Massachusetts Boston: [The Arnold] Arboretum, Peters Hill ... J. G. Jack 1910-5-23
A: 01647641 Crataegus rubrocarnea Sargent USA: New York Chas. Drown farm J. G. Jack 1905-6-8
A: 01647642 Crataegus rubrocarnea Sargent USA: New York Chas. Drown farm. Chateaugay J. G. Jack 1905-6-8
A: 01647768 Crataegus scabrida Sargent Canada: Nova Scotia St. Croix J. G. Jack 3688 1924-10-3
A: 01647769 Crataegus scabrida Sargent Canada: Nova Scotia St. Croix J. G. Jack 3688 1924-10-3
A: 01647770 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 710 1918-6-17
A: 01647771 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3663 (=710 of 1918) also 3250? 1924-10-1
A: 01647772 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 696 1918-6-16
A: 01647773 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 697 1918-6-16
A: 01647774 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 697 1918-6-16
A: 01647775 Crataegus scabrida Sargent Canada: Nova Scotia Parrsboro J. G. Jack 3558 1924-9-23
A: 01647776 Crataegus scabrida Sargent Canada: Nova Scotia Redford Basin; Dartmouth J. G. Jack 700 1918-6-16
A: 01647777 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3662 (=700 of 1918) 1924-9-30
A: 01647779 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3662 1924-9-30
A: 01647790 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3255 1924-9-30
A: 01647791 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3256 1924-9-30
A: 01647792 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3249 1924-6-21
A: 01647793 Crataegus scabrida Sargent Canada: Nova Scotia Bedford J. G. Jack 3319 1924-10-2
A: 01647794 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3256 1924-6-21
A: 01647796 Crataegus scabrida Sargent Canada: Nova Scotia Bedford J. G. Jack 3319 1924-6-24
A: 01647797 Crataegus scabrida Sargent Canada: Nova Scotia Bedford J. G. Jack 3319 1924-10-2
A: 01647798 Crataegus scabrida Sargent Canada: Nova Scotia Bedford J. G. Jack 3319 1924-6-24
A: 01647799 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3255 1924-6-21
A: 01647800 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3255 1924-9-30
A: 01647804 Crataegus scabrida Sargent Canada: Nova Scotia Dartmouth J. G. Jack 3256 1924-9-30
A: 01647805 Crataegus scabrida Sargent Canada: Nova Scotia Middleton: [no additional data] J. G. Jack 3211 1924-6-19
A: 01647806 Crataegus scabrida Sargent Canada: Nova Scotia Mahone Bay J. G. Jack 3528 1924-9-19
A: 01647807 Crataegus scabrida Sargent Canada: Nova Scotia Mahone Bay J. G. Jack 3528 1924-9-19
A: 01647808 Crataegus scabrida Sargent Canada: Nova Scotia Pictou: Near Brown Point J. G. Jack 753 1918-6-19
A: 01647809 Crataegus scabrida Sargent Canada: Nova Scotia Westville: [no additional data] J. G. Jack 3283 1924-6-22
A: 01647818 Crataegus scabrida Sargent Canada: Nova Scotia Pictou: Brown Point J. G. Jack 3621 1924-9-27
A: 01647819 Crataegus scabrida Sargent Canada: Nova Scotia Pictou: Brown Point J. G. Jack 3618 (=763 of 1918) 1924-9-27
A: 01647820 Crataegus scabrida Sargent Canada: Nova Scotia Pictou: Brown Point J. G. Jack 3618 (=763 of 1918)
A: 01647821 Crataegus scabrida Sargent Canada: Nova Scotia Truro: [no additional data] J. G. Jack 620 1918-6-15
A: 00669020 Crataegus scabrida Sargent USA: Vermont St. Albans J. G. Jack D 1901-9-20
A: 00669021 Crataegus scabrida Sargent USA: Vermont St. Albans J. G. Jack A 1901-9-21
A: 00737918 Crataegus scabrida Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 1905-6-2
A: 00737919 Crataegus scabrida Sargent USA: Massachusetts Wilbraham: Wilbraham J. G. Jack 8 1906-9-29
A: 01865242 Crataegus sp. Canada: Nova Scotia New Glasgow J. G. Jack 3282 1924-6-22
A: 01865243 Crataegus sp. Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3269 1924-6-22
A: 00768141 Crataegus stonei Sargent USA: Massachusetts South Amherst J. G. Jack 1905-6-2
A: 00768142 Crataegus stonei Sargent USA: Massachusetts Amherst: Amherst J. G. Jack 79 1905-6-1
A: 00768143 Crataegus stonei Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 45 1905-6-2
A: 00768144 Crataegus stonei Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 24 1906-9-28
A: 00768145 Crataegus stonei Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 20 1905-6-2
A: 00768146 Crataegus stonei Sargent USA: Massachusetts Belchertown: Belchertown J. G. Jack 41 1906-9-28
A: 01648521 Crataegus submollis Sargent Canada: Nova Scotia Halifax: Banks of North West Arm J. G. Jack 719 1918-6-17
A: 01648522 Crataegus submollis Sargent Canada: Nova Scotia Newport J. G. Jack 723 1918-6-18
A: 01648529 Crataegus submollis Sargent Canada: New Brunswick St. Marys J. G. Jack 577 1918-6-12
A: 01648530 Crataegus submollis Sargent Canada: Nova Scotia Shore of Lake Thomas; Waverley J. G. Jack 3261 1924-9-21
A: 01648547 Crataegus submollis Sargent Canada: Nova Scotia Newport J. G. Jack 727 1918-6-18
A: 01648594 Crataegus submollis Sargent Canada: Nova Scotia Waverley J. G. Jack 3261 1924-6-21
A: 01648595 Crataegus submollis Sargent Canada: Nova Scotia Waverley J. G. Jack 3261 1924-6-21
A: 01648620 Crataegus submollis Sargent Canada: Nova Scotia Shore of Lake Thomas; Waverley J. G. Jack 3261 1924-9-21
A: 01648621 Crataegus submollis Sargent Canada: New Brunswick Wilmot Park, Fredericton J. G. Jack 584 1918-6-13
A: 00709751 Crataegus submollis Sargent USA: Massachusetts Winthrop: Winthrop, Belle Isle J. G. Jack
A: 00709767 Crataegus submollis Sargent USA: Massachusetts Norwood: Norwood J. G. Jack 2462 1922-5-11
A: 01648756 Crataegus succulenta Link Canada: Nova Scotia Bedford Basin; Dartmouth J. G. Jack 701 1918-6-16
A: 01607845 Dasiphora fruticosa (Linnaeus) Rydberg Canada: Alberta Lake Louise; Head of Lake near Victoria Glac... J. G. Jack 2917 1922-9-17
A: 01607847 Dasiphora fruticosa (Linnaeus) Rydberg Canada: Alberta Jasper Park. Lake Beauvert. J. G. Jack 2547 1922-8-26
A: 01608056 Dasiphora fruticosa (Linnaeus) Rydberg USA: Montana south slope Many Glacier; Glacier National P... J. G. Jack 2010 1921-8-25
A: 01608057 Dasiphora fruticosa (Linnaeus) Rydberg USA: Montana Piegan Pass Trail between Piegan Pass + Luna... J. G. Jack 2207 1921-9-7
A: 01608176 Dasiphora fruticosa (Linnaeus) Rydberg USA: Wyoming Laramie Hills J. G. Jack 1026 1918-8-16
A: 01588179 Dryas drummondii Richardson ex Hooker Canada: Alberta Jasper Park. Maligne River above Gorge. J. G. Jack 2622 1922-8-30
A: 01588180 Dryas drummondii Richardson ex Hooker Canada: Alberta Jasper Park. Maligne Canon. J. G. Jack 2563 1922-8-27
A: 01588227 Dryas drummondii tomentosa (Farr) L. O. Williams Canada: Alberta Jasper Park. Maligne River above Gorge. J. G. Jack 2644 1922-8-30
A: 01588228 Dryas drummondii tomentosa (Farr) L. O. Williams Canada: Alberta Jasper Park. Banks of Athabaska River near J... J. G. Jack 2797 1922-9-8
A: 01588229 Dryas drummondii tomentosa (Farr) L. O. Williams Canada: Alberta Jasper Park. Maligne River above Gorge. J. G. Jack 2644 1922-8-30
A: 01588484 Dryas integrifolia Vahl Canada: Alberta Jasper Park. Banks of Athabaska River near J... J. G. Jack 1798 1922-9-8
A: 01588782 Dryas octopetala hookeriana (Juzepczuk) Hultén Canada: Alberta Jasper Park. Whistler Mt J. G. Jack 2682 1922-9-2
A: 01588783 Dryas octopetala hookeriana (Juzepczuk) Hultén Canada: Alberta Jasper Park. Signal Mt. J. G. Jack 2602 1922-8-29
A: 01588785 Dryas octopetala hookeriana (Juzepczuk) Hultén Canada: Alberta Lake Louise: Lake Agnes, Laggan J. G. Jack 1904-8-11
A: 01588841 Dryas octopetala hookeriana (Juzepczuk) Hultén USA: Wyoming Summit Mt. Bighorn Mts. J. G. Jack 1900-7-27
A: 01588842 Dryas octopetala hookeriana (Juzepczuk) Hultén USA: Wyoming Top of Hunt Mt, Bighorn Mts. J. G. Jack 1900-7-21
GH: 01608391 Drymocallis convallaria (Rydberg) Rydberg USA: Wyoming Bighorn Mts. J. G. Jack 21 1900-8-21
GH: 01610308 Geum rossii turbinatum (Rydberg) C. L. Hitchcock USA: Wyoming Summit Mt., Bighorn Mts. J. G. Jack 1900-7-24
GH: 01610549 Geum triflorum ciliatum (Pursh) Fassett USA: Wyoming Little Bald Mt., Bighorn Mts. J. G. Jack 1900-7-13
GH: 01610551 Geum triflorum ciliatum (Pursh) Fassett USA: Wyoming Bighorn Mts. J. G. Jack 1900-8
GH: 01610557 Geum triflorum ciliatum (Pursh) Fassett USA: Wyoming Trapper Creek, Bighorn Mts. J. G. Jack 1900-7-29
A: 00994487 Holodiscus discolor (Pursh) Maximowicz Canada: British Columbia Powell River. J. G. Jack 2842 1922-9-12
A: 00994499 Holodiscus discolor (Pursh) Maximowicz Canada: British Columbia Victoria: Beacon Hill Park. J. G. Jack 2859 1922-9-13
A: 00354940 Holodiscus discolor (Pursh) Maximowicz USA: California near Crescent City, Calif J. G. Jack 18 1904-8-25
A: 00354970 Holodiscus discolor (Pursh) Maximowicz USA: California Siskiyou Mts., Calif., Road, Waldo Ore. to C... J. G. Jack 1904-8-25
A: 00994563 Holodiscus discolor (Pursh) Maximowicz USA: Idaho Bovill J. G. Jack 1378 1918-9-6
A: 00994564 Holodiscus discolor (Pursh) Maximowicz USA: Idaho Moscow J. G. Jack 1272 1918-9-1
A: 00994785 Holodiscus discolor dumosus (Nuttall ex Hooker) Dippel USA: Wyoming near Rock Springs J. G. Jack 1115 1918-8-21
A: 01590081 Kelseya uniflora (S. Watson) Rydberg USA: Wyoming top of Sheep Mt. Bighorn Mts. J. G. Jack 1900-7-16
GH: 01590114 Luetkea pectinata (Pursh) Kuntze Canada: British Columbia Asulkan Valley; Glacier J. G. Jack 1904-8-14
A: 01590115 Luetkea pectinata (Pursh) Kuntze Canada: British Columbia Asulkan Valley; Glacier J. G. Jack 1904-8-14
GH: 01861627 Malus fusca (Rafinesque) C. K. Schneider Canada: British Columbia City of Vancouver: [no additional data] J. G. Jack 1904-8-16
A: 01861632 Malus fusca (Rafinesque) C. K. Schneider Canada: British Columbia City of Vancouver: [no additional data] J. G. Jack 1904-8-16
A: 00346919 Malus fusca (Rafinesque) C. K. Schneider USA: California Crescent City J. G. Jack 1904-8-25
A: 01704846 Oemleria cerasiformis (Torrey & A. Gray) J. W. Landon Canada: British Columbia Victoria: Beacon Hill Park J. G. Jack 2856 1922-9-13
A: 00346969 Oemleria cerasiformis (Torrey & A. Gray) J. W. Landon USA: California Siskiyou Mts. J. G. Jack 1904-8-28
GH: 00346953 Osmaronia cerasiformis (Torrey & A. Gray ex Hooker & Arnott) Greene USA: California Siskiyou Mts. J. G. Jack 1904-8-28
A: 00346969 Osmaronia cerasiformis (Torrey & A. Gray ex Hooker & Arnott) Greene USA: California Siskiyou Mts. J. G. Jack 1904-8-28
A: 01590272 Petrophytum caespitosum (Nuttall) Rydberg USA: Wyoming Bighorn Mts. Road Sheridan to Dome Lake J. G. Jack 1900-9-1
A: 01590276 Petrophytum caespitosum (Nuttall) Rydberg USA: Wyoming Tensleep[?] Creek, Bighorn Mts. J. G. Jack 1900-8-8
A: 01590496 Physocarpus malvaceus (Greene) Kuntze USA: Wyoming Bighorn Mts. Road from Sheridan to Dome Lake J. G. Jack 1900-8-31
GH: 01590627 Physocarpus opulifolius (Linnaeus) Maximowicz Canada: Nova Scotia Lunenburg: [no additional data] J. G. Jack 3515 1924-9-19
GH: 01567800 Potentilla glaucophylla Lehmann USA: Wyoming Head of Tongue River, Bighorn Mts. J. G. Jack 1900-7-13
GH: 01568992 Potentilla nivea Linnaeus USA: Wyoming Hunt Mt., Bighorn Mts. J. G. Jack 1900-7-21
GH: 01570060 Potentilla pulcherrima Lehmann USA: Wyoming Trappa Creek, Bighorn Mts J. G. Jack 1900-7-29
A: 01570937 Potentilla tridentata Aiton Canada: Nova Scotia Dartmouth J. G. Jack 3257 1924-6-21
A: 01570938 Potentilla tridentata Aiton Canada: Nova Scotia Shelburne: [no additional data] J. G. Jack 3456 1924-9-15
A: 01570939 Potentilla tridentata Aiton Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 672 1918-6-16
A: 01705080 Prunus americana Marshall USA: Colorado Plum Creek, near Sedalia J. G. Jack 1898-8-22
A: 01705891 Prunus americana Marshall USA: Wyoming near Bighorn J. G. Jack 1900-9-10
A: 01705892 Prunus americana Marshall USA: Wyoming near Bighorn J. G. Jack 1900-9-10
A: 01705893 Prunus americana Marshall USA: Wyoming Bighorn J. G. Jack 1900-8-30
A: 01705894 Prunus americana Marshall USA: Wyoming Bighorn. Moncreiffes Ranch J. G. Jack 1900-8-30
A: 01721079 Prunus angustifolia Marshall USA: Massachusetts Boston: Jamaica Pond, west shore, Jamaica Pl... J. G. Jack 1922-5-8
A: 01721080 Prunus angustifolia Marshall USA: Massachusetts Boston: West bank of Jamaica Pond, Jamaica P... J. G. Jack 1923-5-14
A: 01721348 Prunus avium Linnaeus Canada: Nova Scotia Barton J. G. Jack 3181 1924-6-18
A: 01721390 Prunus caroliniana (Miller) Aiton USA: Alabama [Daphne] J. G. Jack 3014 1924-3-22
A: 01721536 Prunus cerasus Linnaeus Canada: Nova Scotia Barton J. G. Jack 3182 1924-6-18
A: 00703517 Prunus cerasus Linnaeus USA: Massachusetts Cambridge: Cambridge J. G. Jack
A: 00703521 Prunus cerasus Linnaeus USA: Massachusetts Sharon: Sharon J. G. Jack 3802 1926-5-17
A: 00703522 Prunus cerasus Linnaeus USA: Massachusetts Sharon: Sharon J. G. Jack 1921-5-8
GH: 01721572 Prunus domestica Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3238 1924-6-21
A: 01721573 Prunus domestica Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 784 1918-6-19
A: 01721574 Prunus domestica Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3647 1924-9-30
A: 01721575 Prunus domestica Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3238 1924-6-21
GH: 01721580 Prunus domestica Linnaeus Canada: Nova Scotia Summerville J. G. Jack 3490 1924-9-16
A: 01721581 Prunus domestica Linnaeus Canada: Nova Scotia Summerville J. G. Jack 3490 1924-9-16
A: 01721624 Prunus emarginata (Douglas ex Hooker) Eaton Canada: British Columbia Powell River. J. G. Jack 2848 1922-9-12
A: 00346388 Prunus emarginata (Douglas ex Hooker) Eaton USA: California Near Shuteye Mt., Sierras J. G. Jack 1907-8-8
A: 00346434 Prunus emarginata (Douglas ex Hooker) Eaton USA: California Siskiyou Mts. J. G. Jack 1904-8-27
A: 00346609 Prunus ilicifolia (Nuttall ex Hooker & Arnott) D. N. F. Dietrich USA: California Santa Barbara: J. G. Jack 1907-7-6
A: 00346632 Prunus ilicifolia lyonii (Eastwood) P. H. Raven USA: California Santa Catalina Is. J. G. Jack 1907-7-16
A: 00346642 Prunus ilicifolia lyonii (Eastwood) P. H. Raven USA: California Santa Catalina Is. J. G. Jack 1907-7-16
A: 00346632 Prunus ilicifolia occidentalis Brandegee USA: California Santa Catalina Is. J. G. Jack 1907-7-16
A: 01722835 Prunus nigra Aiton Canada: Nova Scotia Landsdowne J. G. Jack 3705 1924-10-5
GH: 01722860 Prunus nigra Aiton Canada: Nova Scotia Landsdowne J. G. Jack 3705 1924-10-5
A: 00742641 Prunus nigra Aiton USA: Vermont South Royalton J. G. Jack 3845 1926-8-25
A: 01723007 Prunus pensylvanica Linnaeus f. Canada: New Brunswick Fredericton J. G. Jack 586 1918-6-13
GH: 01723017 Prunus pensylvanica Linnaeus f. Canada: Nova Scotia Cedar Lake J. G. Jack 3765 1924-10-8
A: 01723023 Prunus pensylvanica Linnaeus f. Canada: Nova Scotia Round Hill J. G. Jack 3195 1924-6-19
A: 01723024 Prunus pensylvanica Linnaeus f. Canada: Nova Scotia Pleasant Valley J. G. Jack 3153 1924-6-17
A: 01723025 Prunus pensylvanica Linnaeus f. Canada: Nova Scotia Truro: [no additional data] J. G. Jack 629 1918-6-15
A: 01723026 Prunus pensylvanica Linnaeus f. Canada: Nova Scotia Cedar Lake J. G. Jack 3765 1924-10-8
A: 00647908 Prunus pensylvanica Linnaeus f. USA: New Hampshire Laconia: Laconia J. G. Jack 27 1919-9-22
A: 00742678 Prunus pensylvanica Linnaeus f. USA: New Hampshire North Hampton: North Hampton J. G. Jack 2468 1922-7-24
A: 00743084 Prunus pensylvanica Linnaeus f. USA: Massachusetts Westwood: Westwood J. G. Jack 1920-5-21
A: 00743085 Prunus pensylvanica Linnaeus f. USA: Massachusetts Westwood: Westwood J. G. Jack 2 1920-7-12
A: 01723271 Prunus pensylvanica Linnaeus f. USA: Wyoming East slope Bighorn Mts. above Bighorn J. G. Jack 1900-8-28
GH: 01723942 Prunus serotina Ehrhart Canada: Nova Scotia Clyde River J. G. Jack 3449 1924-9-14
GH: 01723943 Prunus serotina Ehrhart Canada: Nova Scotia St. Croix J. G. Jack 3324 1924-6-24
A: 01723944 Prunus serotina Ehrhart Canada: Nova Scotia St. Croix J. G. Jack 3693 1924-10-3
A: 01723945 Prunus serotina Ehrhart Canada: Nova Scotia Argyle: [no additional data] J. G. Jack 3428 1924-9-13
A: 01723946 Prunus serotina Ehrhart Canada: Nova Scotia Clyde River J. G. Jack 3449 1924-9-14
A: 01723947 Prunus serotina Ehrhart Canada: Nova Scotia Newport J. G. Jack 728 1918-6-18
A: 01723949 Prunus serotina Ehrhart Canada: Nova Scotia St. Croix J. G. Jack 3324 1924-6-24
GH: 01723953 Prunus serotina Ehrhart Canada: Nova Scotia Pleasant Valley J. G. Jack 3135 1924-6-17
A: 00738076 Prunus serotina Ehrhart USA: New Hampshire Winnisquam J. G. Jack 13 1919-9-19
A: 00738119 Prunus serotina Ehrhart USA: Massachusetts Beverly: Beverly J. G. Jack 1904-6-9
A: 00740295 Prunus susquehanae Willdenow USA: New Hampshire Merrimack: Merrimack J. G. Jack 3883 1927-7-9
A: 00742771 Prunus susquehanae Willdenow USA: Massachusetts Sudbury: Sudbury J. G. Jack 3869 1927-5-11
A: 00742796 Prunus susquehanae Willdenow USA: Massachusetts Sharon: Sharon J. G. Jack 1921-5-8
A: 00742819 Prunus susquehanae Willdenow USA: Massachusetts Boylston: Boylston J. G. Jack 1898-6-13
A: 01725118 Prunus virginiana Linnaeus Canada: Nova Scotia Corberrie J. G. Jack 3123 1924-6-17
A: 01725119 Prunus virginiana Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 783 1918-6-19
A: 01725120 Prunus virginiana Linnaeus Canada: Nova Scotia Truro: [no additional data] J. G. Jack 633 1918-6-15
A: 01725123 Prunus virginiana Linnaeus Canada: Nova Scotia Bridgewater: Lahave River bank J. G. Jack 3512 1924-9-19
GH: 01725133 Prunus virginiana Linnaeus Canada: Nova Scotia Bridgewater: Lahave River bank J. G. Jack 3512 1924-9-19
A: 01725472 Prunus virginiana demissa (Nuttall) Torrey Canada: British Columbia Kitwanga (Can. Nat. RR) J. G. Jack 2822 1922-9-10
A: 00743355 Prunus virginiana Linnaeus USA: Maine Kittery: Kittery J. G. Jack 1900-6-5
A: 00743387 Prunus virginiana Linnaeus USA: New Hampshire Franklin: Franklin J. G. Jack 3941 1927-7-9
A: 01725920 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Larmie Hills. Rogers Canon J. G. Jack 1060 1918-8-18
A: 01725922 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Yellowstone Park J. G. Jack 1904-9-4
A: 01725923 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Laramie Hills. Rogers Canon J. G. Jack 1049 1918-8-18
A: 01725924 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Banner J. G. Jack 1900-8-16
A: 01725946 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Tongue River Canyon. Bighorn Mts. J. G. Jack 1900-9-5
A: 01725947 Prunus virginiana demissa (Nuttall) Torrey USA: Wyoming Centennial J. G. Jack 1091 1918-8-20
A: 00345800 Purshia tridentata (Pursh) de Candolle USA: California Sisson J. G. Jack 1907-8-27
A: 01556681 Purshia tridentata (Pursh) de Candolle USA: Wyoming Laramie Hills J. G. Jack 1031 1918-8-16
A: 01556847 Rosa acicularis sayi (Schweinitz) W. H. Lewis Canada: Alberta Jasper Park. Lake Beauvert. J. G. Jack 2543 1922-8-26
A: 01556848 Rosa acicularis sayi (Schweinitz) W. H. Lewis Canada: Alberta Jasper Park. Near J. P. Station J. G. Jack 2647 1922-8-31
A: 01556927 Rosa acicularis sayi (Schweinitz) W. H. Lewis Canada: Alberta Lake Louise, near Chateau. J. G. Jack 2924 1922-9-18
A: 01556928 Rosa acicularis sayi (Schweinitz) W. H. Lewis Canada: Alberta Jasper Park. Maligne River above Gorge. J. G. Jack 2624 1922-8-30
A: 01556929 Rosa acicularis sayi (Schweinitz) W. H. Lewis Canada: Alberta Jasper Park. Lake Beauvert. J. G. Jack 2538 1922-8-26
A: 01556975 Rosa acicularis sayi (Schweinitz) W. H. Lewis Canada: British Columbia Lucerne (Can. Nat. R.R.) west of Yellowhead ... J. G. Jack 2756 1922-9-6
A: 01556995 Rosa acicularis sayi (Schweinitz) W. H. Lewis Canada: British Columbia Lucerne (Can. Nat. RR.) west of Yellowhead P... J. G. Jack 2757 1922-9-6
A: 01557175 Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Wyoming Crazy Woman's Creek. Bighorn Mts. J. G. Jack 1900-8-13
A: 01557176 Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Wyoming Medicine Bow Mts. J. G. Jack 1102 1918-8-20
A: 01557177 Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Wyoming Medicine Bow Mts. J. G. Jack 1102 1918-8-20
A: 01707374 Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Colorado Pike's Peak R. R. J. G. Jack 1898-9-20
GH: 01707375 Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Colorado Breckenridge J. G. Jack 1898-9-6
A: 00423031 Rosa carolina Linnaeus USA: Massachusetts Boston: N. side of Mt. Bellevue [Stony Brook... J. G. Jack 1921-7-20
A: 02558658 Rosa chinensis Jacquin Cuba: Cienfuegos Plants from Harvard Tropical Garden, Soledad... J. G. Jack 8359 1931-8-24
A: 01707387 Rosa cinnamomea Linnaeus Canada: Nova Scotia Tusket J. G. Jack 3758 1924-10-7
A: 01707388 Rosa cinnamomea Linnaeus Canada: Nova Scotia Westville J. G. Jack 3281 1924-6-22
A: 01707389 Rosa cinnamomea Linnaeus Canada: Nova Scotia Tusket J. G. Jack 3758 1924-10-7
A: 01559314 Rosa gymnocarpa Nuttall ex Torrey & A. Gray Canada: British Columbia Hatzic (C.P.R.) J. G. Jack 2882 1922-9-15
A: 00345994 Rosa gymnocarpa Nuttall ex Torrey & A. Gray USA: California Redwood forest near Crescent City J. G. Jack 1904-8-25
A: 02558668 Rosa laevigata Michaux Cuba: Cienfuegos Plants from Harvard Tropical Garden; Soledad... J. G. Jack 8278 1931-8-11
GH: 00620630 Rosa luciae Franchet & Rochebrune Japan: Miyagi Shiogama, Rikuzen. J. G. Jack 1905-8-27
A: 00620594 Rosa luciae Franchet & Rochebrune Japan: Miyagi Shiogama, Rikuzen. J. G. Jack 1905-8-27
A: 00620679 Rosa maximowicziana jackii (Rehder) Rehder South Korea: Seoul: Pouck Han, Seoul. J. G. Jack 1905-9-25
A: 00620674 Rosa maximowicziana jackii (Rehder) Rehder South Korea: Seoul: [no additional data] J. G. Jack 1905-9-23
A: 00620761 Rosa multiflora Thunberg Japan: Nagano Narai, Shinano J. G. Jack 1905-9-2
A: 00959366 Rosa multiflora Thunberg Japan: Tochigi Lake Chuzenji. J. G. Jack 1905-8-13
GH: 01559580 Rosa nitida Willdenow Canada: New Brunswick Fredericton; near race track J. G. Jack 587 1918-6-13
A: 01559586 Rosa nitida Willdenow Canada: Nova Scotia Brooklyn J. G. Jack 3763 1924-10-7
A: 01559587 Rosa nitida Willdenow Canada: Nova Scotia Brooklyn J. G. Jack 3763 1924-10-7
A: 00644782 Rosa nitida Willdenow USA: New Hampshire Londonderry: Londonderry J. G. Jack 33 1919-9-22
A: 01559625 Rosa nutkana C. Presl Canada: British Columbia Buckly Canon (Can. Nat. R.R.) J. G. Jack 2817 1922-9-10
A: 01559627 Rosa nutkana C. Presl Canada: British Columbia Hatzic (C.P.R.) J. G. Jack 2873 1922-9-14
A: 01559629 Rosa nutkana C. Presl Canada: British Columbia Victoria: Beacon Hill Park J. G. Jack 2861 1922-9-13
A: 01559630 Rosa nutkana C. Presl Canada: British Columbia Victoria: Beacon Hill Park J. G. Jack 2858 1922-9-13
A: 01559631 Rosa nutkana C. Presl Canada: British Columbia Victoria: Mt. Tolmie J. G. Jack 2851 1922-9-13
A: 01559870 Rosa palustris Marshall Canada: Nova Scotia Corberrie J. G. Jack 3120 1924-6-17
A: 00423031 Rosa palustris Marshall USA: Massachusetts Boston: N. side of Mt. Bellevue [Stony Brook... J. G. Jack 1921-7-20
A: 00441437 Rosa palustris Marshall USA: Maine Washington: Washington J. G. Jack 3785 1924-8-6
GH: 00441438 Rosa palustris Marshall USA: Maine Washington: Washington J. G. Jack 3785 1924-8-6
A: 00441454 Rosa palustris Marshall USA: Maine Wayne: Wayne J. G. Jack 6 1921-8-5
A: 00441465 Rosa palustris Marshall USA: Maine York: York J. G. Jack 3386 1924-10-6
A: 00441466 Rosa palustris Marshall USA: Maine York: York J. G. Jack 3789 1924-8-3
GH: 00441467 Rosa palustris Marshall USA: Maine York: York J. G. Jack 3789 1924-8-3
A: 00959028 Rosa paniculigera (Makino ex Koidzumi) Makino ex Momiyama Japan: Nagano Agematsu, Shinano. J. G. Jack 1905-9-4
A: 00959019 Rosa paniculigera (Makino ex Koidzumi) Makino ex Momiyama Japan: Nagano Agematsu, Shinano. J. G. Jack 1905-9-4
A: 01560202 Rosa pisocarpa A. Gray Canada: British Columbia Victoria: Mt. Tolmie J. G. Jack 2855 1922-9-13
A: 00959112 Rosa roxburghii hirtula (Regel) Rehder & E. H. Wilson Japan: Tokyo Botanic Garden, Tokyo. J. G. Jack 1905-8-4
A: 01560287 Rosa rubiginosa Linnaeus Canada: Nova Scotia Tusket J. G. Jack 3756 1924-10-7
A: 01560288 Rosa rubiginosa Linnaeus Canada: Nova Scotia Pleasantville; Lahave River J. G. Jack 3503 1924-9-18
GH: 01560294 Rosa rubiginosa Linnaeus Canada: Nova Scotia Tusket J. G. Jack 3756 1924-10-7
GH: 01560295 Rosa rubiginosa Linnaeus Canada: Nova Scotia Pleasantville; Lahave River J. G. Jack 3503 1924-9-18
A: 00524849 Rosa rubiginosa Linnaeus USA: Massachusetts Newbury: Newbury J. G. Jack 3393 1924-10-15
A: 01560397 Rosa rugosa Thunberg Canada: Nova Scotia Parrsboro J. G. Jack 3565 1924-9-23
GH: 01560398 Rosa rugosa Thunberg Canada: Nova Scotia Parrsboro J. G. Jack 3565 1924-9-23
A: 01601922 Rosa sp. Canada: Nova Scotia Truro: [no additional data] J. G. Jack 1917-10-28
A: 01602015 Rosa sp. Canada: Alberta Banff: [no additional data] J. G. Jack 1904-8-9
A: 01602089 Rosa sp. Canada: British Columbia City of Vancouver: [no additional data] J. G. Jack 1904-8-16
A: 00346108 Rosa sp. USA: California Shinn's Camp, Sierras J. G. Jack 1907-8-2
A: 00366039 Rosa sp. USA: California Siskiyou Mts. J. G. Jack 1904-8-27
A: 00346108 Rosa spithamea S. Watson USA: California Shinn's Camp, Sierras J. G. Jack 1907-8-2
A: 00423039 Rosa virginiana Miller USA: Massachusetts Boston: Mt. Bellevue, [Stony Brook Reservati... J. G. Jack 1921-6-16
A: 00758260 Rosa virginiana Miller USA: Maine York: York J. G. Jack 3384 1924-10-16
A: 00758261 Rosa virginiana Miller USA: Maine York: York J. G. Jack 3384 1924-10-16
A: 00758262 Rosa virginiana Miller USA: Maine York: York J. G. Jack 1919-10-12
A: 00758263 Rosa virginiana Miller USA: Maine York: York J. G. Jack 61 1919-10-12
A: 01601470 Rosa woodsii Lindley USA: Wyoming Moncreiffe Ranch, Bighorn J. G. Jack 1900-8-30
A: 01601486 Rosa woodsii Lindley USA: Wyoming near Rock Spring J. G. Jack 1113 1918-8-21
A: 01601488 Rosa woodsii Lindley USA: Wyoming At Smiths ranch, Crazy Woman Creek J. G. Jack 1900-8-13
A: 01601489 Rosa woodsii Lindley USA: Wyoming Tongue River Canyon, Bighorn Mts. J. G. Jack 1900-9-5
A: 01601633 Rosa woodsii ultramontana (S. Watson) Jepson USA: North Dakota Along St. Nor. R R track Blairdell J. G. Jack 2447 1921-9-23
A: 01601766 Rosa woodsii ultramontana (S. Watson) Jepson USA: Wyoming Centennial J. G. Jack 1066 1918-8-19
A: 01601772 Rosa woodsii ultramontana (S. Watson) Jepson USA: Wyoming Rogers Canyon, Laramie Hills J. G. Jack 1056 1918-8-18
A: 01601773 Rosa woodsii ultramontana (S. Watson) Jepson USA: Wyoming Centennial J. G. Jack 1088 1918-8-20
A: 01601774 Rosa woodsii ultramontana (S. Watson) Jepson USA: Wyoming Laramie Hills, near Laramie J. G. Jack 1023 1918-8-16
A: 01601775 Rosa woodsii ultramontana (S. Watson) Jepson USA: Wyoming Laramie Hills near Laramie J. G. Jack 1023 1918-8-16
A: 00742461 Rubus Linnaeus USA: Massachusetts Brookline: Brookline, Allandale St. [Road?] J. G. Jack 14 1921-6-24
A: 00742465 Rubus Linnaeus USA: Massachusetts Brookline: Brookline, Allandale St. [Road?] J. G. Jack 14 1921-6-24
GH: 01602144 Rubus adenocaulis Fernald Canada: Nova Scotia Glenwood J. G. Jack 3416 1924-9-13
GH: 01602225 Rubus allegheniensis Porter Canada: Nova Scotia Annapolis J. G. Jack 3335 1924-6-24
A: 01602274 Rubus allegheniensis Porter Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 745 1918-6-19
A: 01602275 Rubus allegheniensis Porter Canada: Nova Scotia Halifax: Point Pleasant Park J. G. Jack 679 1918-6-16
GH: 01602277 Rubus allegheniensis Porter Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3669 1924-10-1
A: 01602278 Rubus allegheniensis Porter Canada: Nova Scotia Annapolis J. G. Jack 3335 1924-6-24
A: 01602279 Rubus allegheniensis Porter Canada: Nova Scotia Annapolis J. G. Jack 3335 1924-6-24
A: 01602280 Rubus allegheniensis Porter Canada: Nova Scotia Pleasant Valley J. G. Jack 3159 1924-6-17
A: 00423103 Rubus allegheniensis Porter USA: Massachusetts Boston: West Roxbury Parkway. Mt. Bellevue, ... J. G. Jack 3 1921-6-6
A: 00423104 Rubus allegheniensis Porter USA: Massachusetts Boston: West Roxbury Parkway. Mt. Bellevue, ... J. G. Jack 3 1921-6-6
A: 00763311 Rubus allegheniensis Porter USA: Maine York: York J. G. Jack 1902-8-10
A: 00763314 Rubus allegheniensis Porter USA: Maine York: York J. G. Jack 1910-6-5
A: 00763315 Rubus allegheniensis Porter USA: Maine York: York J. G. Jack 1902-8-10
A: 00763316 Rubus allegheniensis Porter USA: Maine York: York J. G. Jack 1902-8-10
A: 00758424 Rubus allegheniensis Porter USA: Massachusetts Petersham: Petersham J. G. Jack 1909-6-3
A: 01602725 Rubus arcticus Linnaeus Canada: Alberta Lake Louise, near Chateau. J. G. Jack 2925 1922-9-18
A: 01602876 Rubus arcticus acaulis (Michaux) Focke Canada: Alberta Jasper Park. near Yellowhead Pass. Mt. Cavel... J. G. Jack 2726 1922-9-5
A: 00758606 Rubus arenicola Blanchard USA: Maine York: York J. G. Jack 1910-6-5
A: 01603534 Rubus canadensis Linnaeus Canada: Nova Scotia Folly Lake J. G. Jack 1917-10-26
A: 01603536 Rubus canadensis Linnaeus Canada: Nova Scotia Folly Lake J. G. Jack 1917-10-26
A: 01603594 Rubus canadensis Linnaeus Canada: Nova Scotia Halifax: Off Tower road J. G. Jack 666 1918-6-16
GH: 01603623 Rubus canadensis Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3297 1924-6-23
GH: 01603627 Rubus canadensis Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3297 1924-6-23
GH: 01603628 Rubus canadensis Linnaeus Canada: Nova Scotia Marshalls Town J. G. Jack 3190 1924-6-18
GH: 01603629 Rubus canadensis Linnaeus Canada: Nova Scotia Brickton J. G. Jack 3205 1924-6-19
GH: 01603630 Rubus canadensis Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3245 1924-6-21
A: 00763750 Rubus canadensis Linnaeus USA: New Hampshire Crawford J. G. Jack 1896-9-13
A: 00646276 Rubus canadensis Linnaeus USA: New Hampshire White Mountain Notch J. G. Jack 1896-9-13
A: 01603897 Rubus chamaemorus Linnaeus Canada: Nova Scotia Mavilette J. G. Jack 3349 1924-6-25
A: 01604355 Rubus elegantulus Blanchard Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 777 1918-6-19
GH: 01604369 Rubus elegantulus Blanchard Canada: Nova Scotia Argyle: [no additional data] J. G. Jack 3432 1924-9-13
A: 00723341 Rubus flagellaris Willdenow USA: Massachusetts Boston: Jamaica Plain, Mrs. Carey's, Forest ... J. G. Jack 1910-6-14
A: 00651001 Rubus frondosus Bigelow USA: Maine York: York J. G. Jack 1910-6-5
A: 00651002 Rubus frondosus Bigelow USA: Maine York: York J. G. Jack 1910-6-5
A: 00748094 Rubus frondosus Bigelow USA: Maine York: York J. G. Jack 1 1902-8-10
GH: 01604917 Rubus groutianus Blanchard Canada: Nova Scotia Mill Village J. G. Jack 3502 1924-9-17
GH: 01604949 Rubus hispidus Linnaeus Canada: Nova Scotia Glenwood J. G. Jack 3417 1924-9-13
A: 01604995 Rubus hispidus Linnaeus Canada: Nova Scotia Halifax: Off Tower road J. G. Jack 658 1918-6-16
GH: 01604998 Rubus hispidus Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3244 1924-6-21
A: 00651106 Rubus hispidus Linnaeus USA: New Hampshire Londonderry: Londonderry J. G. Jack 32 1919-9-22
GH: 01605148 Rubus idaeus Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3290 1924-6-23
GH: 01605149 Rubus idaeus Linnaeus Canada: Nova Scotia Windsor: [no additional data] J. G. Jack 734 (=3216) 1924-10-3
A: 01605152 Rubus idaeus Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 743 1918-6-19
A: 01605153 Rubus idaeus Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 749 1918-6-19
A: 01605154 Rubus idaeus Linnaeus Canada: Nova Scotia Windsor: [no additional data] J. G. Jack 738 1918-6-18
A: 01605155 Rubus idaeus Linnaeus Canada: Nova Scotia Windsor: [no additional data] J. G. Jack 3216 (=734 of 1918) 1924-6-20
A: 01605156 Rubus idaeus Linnaeus Canada: Nova Scotia Windsor: [no additional data] J. G. Jack 3216 (-734 of 1918) 1924-6-20
A: 01605157 Rubus idaeus Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3290 1924-6-23
A: 01605158 Rubus idaeus Linnaeus Canada: Nova Scotia Windsor: [no additional data] J. G. Jack 734 (=3216 = 3694a) 1924-10-3
A: 01605382 Rubus idaeus strigosus (Michaux) Focke Canada: Alberta Jasper Park. Whistlers Mt. trail J. G. Jack 2795 1922-9-7
A: 01605383 Rubus idaeus strigosus (Michaux) Focke Canada: Alberta Jasper Park. near J. P. Lodge. J. G. Jack 2589 1922-8-28
A: 01605384 Rubus idaeus strigosus (Michaux) Focke Canada: Alberta Jasper Park. Whistlers Mt. trail J. G. Jack 2795 1922-9-7
A: 01605395 Rubus idaeus strigosus (Michaux) Focke Canada: British Columbia Yellowhead Pass. Lucerne (Can. Nat. R.R.) J. G. Jack 2760 1922-9-6
A: 01605424 Rubus idaeus strigosus (Michaux) Focke Canada: Nova Scotia Mahone Bay J. G. Jack 3524 1924-9-19
A: 01605425 Rubus idaeus strigosus (Michaux) Focke Canada: Nova Scotia Mahone Bay J. G. Jack 3525 1924-9-19
A: 01605426 Rubus idaeus strigosus (Michaux) Focke Canada: Nova Scotia Bedford J. G. Jack 3677 1924-10-2
A: 01605427 Rubus idaeus strigosus (Michaux) Focke Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3296 1924-6-23
A: 01605428 Rubus idaeus strigosus (Michaux) Focke Canada: Nova Scotia Corberrie J. G. Jack 3129 1924-6-17
A: 01605429 Rubus idaeus strigosus (Michaux) Focke Canada: Nova Scotia Summerville J. G. Jack 3492 1924-9-16
A: 01605430 Rubus idaeus strigosus (Michaux) Focke Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 744 1918-6-19
GH: 01605290 Rubus idaeus strigosus (Michaux) Maximowicz Canada: Nova Scotia Mahone Bay J. G. Jack 3525 1924-9-19
GH: 01605291 Rubus idaeus strigosus (Michaux) Maximowicz Canada: Nova Scotia Summerville J. G. Jack 3492 1924-9-16
GH: 01605292 Rubus idaeus strigosus (Michaux) Maximowicz Canada: Nova Scotia Mahone Bay J. G. Jack 3524 1924-9-19
GH: 01605293 Rubus idaeus strigosus (Michaux) Maximowicz Canada: Nova Scotia Bedford J. G. Jack 3677 1924-10-2
A: 01605735 Rubus idaeus strigosus (Michaux) Focke USA: Wyoming Crazy Woman Creek. Bighorn Mts. J. G. Jack 1900-8-13
A: 00703947 Rubus idaeus strigosus (Michaux) Maximowicz USA: New Hampshire Mount Washington J. G. Jack 48 1919-9-21
A: 00985474 Rubus idaeus strigosus (Michaux) Maximowicz USA: New Hampshire Below Half-way House Mt. Washington J. G. Jack 22 1919-9-21
A: 00423266 Rubus neglectus Peck USA: Massachusetts Boston: Parkway, Mt. Bellevue, West Roxbury ... J. G. Jack 1921-6-9
A: 01701493 Rubus odoratus Linnaeus Canada: Nova Scotia Harrington River; Lower Five Islands J. G. Jack 3556 1924-9-22
A: 01701494 Rubus odoratus Linnaeus Canada: Nova Scotia Lower Five Islands J. G. Jack 3556 1924-9-22
GH: 01701495 Rubus odoratus Linnaeus Canada: Nova Scotia Lower Five Islands J. G. Jack 3556 1924-9-22
A: 01701673 Rubus parviflorus Nuttall Canada: British Columbia City of Vancouver: [no additional data] J. G. Jack 1904-8-16
A: 01701675 Rubus parviflorus Nuttall Canada: British Columbia Powell River. J. G. Jack 2849 1922-9-12
A: 00346203 Rubus parviflorus Nuttall USA: California Shinn's Carry, Sierras J. G. Jack 1907-8-16
A: 00346211 Rubus parviflorus Nuttall USA: California Siskiyou Mts. J. G. Jack 1904-8-28
A: 00985522 Rubus parvifolius Linnaeus USA: Massachusetts Boston: Franklin Park J. G. Jack 1901-10-24
A: 00985492 Rubus pensilvanicus Poiret USA: Massachusetts Boston: West Roxbury Parkway, Mt. Bellevue, ... J. G. Jack 1 1921-6-6
A: 00985493 Rubus pensilvanicus Poiret USA: Massachusetts Boston: West Roxbury Parkway, Mt. Bellevue J. G. Jack 1 1921-6-6
A: 00985494 Rubus pensilvanicus Poiret USA: Massachusetts Boston: West Roxbury Parkway, Mt. Bellevue, ... J. G. Jack 1 1921-6-6
A: 00985495 Rubus pensilvanicus Poiret USA: Massachusetts Boston: Mt. Bellevue, West Roxbury J. G. Jack 11 1921-6-16
A: 00723946 Rubus pubescens Rafinesque USA: New Hampshire Mount Washington J. G. Jack 1919-9-21
GH: 01702783 Rubus recurvicaulis Blanchard Canada: Nova Scotia Dartmouth J. G. Jack 3655 1924-9-30
A: 01703954 Rubus sp. Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3669 1924-10-1
A: 01703955 Rubus sp. Linnaeus Canada: Nova Scotia Bridgewater: Lahave River J. G. Jack 3507 1924-9-19
A: 01703956 Rubus sp. Linnaeus Canada: Nova Scotia Bridgewater: Lahave River J. G. Jack 3506 1924-9-19
A: 01703957 Rubus sp. Linnaeus Canada: Nova Scotia Mill Village J. G. Jack 3502 1924-9-17
GH: 01703958 Rubus sp. Linnaeus Canada: Nova Scotia Marshalls Town J. G. Jack 3191 1924-6-18
A: 01703964 Rubus sp. Linnaeus Canada: Nova Scotia Cedar Lake J. G. Jack 3775 1924-10-8
A: 01703965 Rubus sp. Linnaeus Canada: Nova Scotia South Uniacke J. G. Jack 3678 1924-10-2
A: 01703966 Rubus sp. Linnaeus Canada: Nova Scotia South Uniacke J. G. Jack 3678 1924-10-2
A: 01703967 Rubus sp. Linnaeus Canada: Nova Scotia Eel Pond, Eel Brook J. G. Jack 3745 1924-10-7
A: 01703968 Rubus sp. Linnaeus Canada: Nova Scotia Eel Pond, Eel Brook J. G. Jack 3745 1924-10-7
A: 01703969 Rubus sp. Linnaeus Canada: Nova Scotia Middleton: [no additional data] J. G. Jack 3208 1924-6-19
A: 01703970 Rubus sp. Linnaeus Canada: Nova Scotia Brickton J. G. Jack 3205 1924-6-19
A: 01703971 Rubus sp. Linnaeus Canada: Nova Scotia Marshalls Town J. G. Jack 3191 1924-6-18
A: 01703972 Rubus sp. Linnaeus Canada: Nova Scotia Marshalls Town J. G. Jack 3190 1924-6-18
A: 01703974 Rubus sp. Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3244 1924-6-21
A: 01703976 Rubus sp. Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3297 1924-6-23
A: 01703977 Rubus sp. Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3245 1924-6-21
A: 01703978 Rubus sp. Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3245 1924-6-21
A: 01703979 Rubus sp. Linnaeus Canada: Nova Scotia Pleasant Valley J. G. Jack 3156 1924-6-17
A: 01703980 Rubus sp. Linnaeus Canada: Nova Scotia Pleasant Valley J. G. Jack 3139 1924-6-17
A: 01703981 Rubus sp. Linnaeus Canada: Nova Scotia Halifax: Off Tower Road J. G. Jack 659 1918-6-16
A: 01703982 Rubus sp. Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3668 1924-10-1
A: 01703983 Rubus sp. Linnaeus Canada: Nova Scotia Parrsboro J. G. Jack 3566 1924-9-23
A: 01703984 Rubus sp. Linnaeus Canada: Nova Scotia Parrsboro J. G. Jack 3564 1924-9-23
A: 01703985 Rubus sp. Linnaeus Canada: Nova Scotia Dartmouth J. G. Jack 3655 1924-9-30
A: 01703986 Rubus sp. Linnaeus Canada: Nova Scotia Bass River J. G. Jack 3552 1924-9-22
A: 01704000 Rubus sp. Linnaeus Canada: Nova Scotia Glenwood J. G. Jack 3414 1924-9-13
A: 01704001 Rubus sp. Linnaeus Canada: Nova Scotia Eelbrook J. G. Jack 3410 1924-9-12
A: 01704002 Rubus sp. Linnaeus Canada: Nova Scotia Eelbrook J. G. Jack 3409 1924-9-12
A: 01704003 Rubus sp. Linnaeus Canada: Nova Scotia Mavieltte J. G. Jack 3347 1924-6-25
A: 01704004 Rubus sp. Linnaeus Canada: Nova Scotia Mavilette J. G. Jack 3347 1924-6-25
A: 01704005 Rubus sp. Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3810 1924-6-23
A: 01704006 Rubus sp. Linnaeus Canada: Nova Scotia Port Mouton J. G. Jack 3475 1924-9-16
A: 01704007 Rubus sp. Linnaeus Canada: Nova Scotia Port Mouton J. G. Jack 3475 1924-9-16
A: 01704008 Rubus sp. Linnaeus Canada: Nova Scotia Summerville J. G. Jack 3493 1924-9-16
A: 01704009 Rubus sp. Linnaeus Canada: Nova Scotia Summervile J. G. Jack 3494 1924-9-16
A: 01704010 Rubus sp. Linnaeus Canada: Nova Scotia Summerville J. G. Jack 3494 1924-9-16
A: 01704011 Rubus sp. Linnaeus Canada: Nova Scotia Port Mouton J. G. Jack 3474 1924-9-16
A: 01704012 Rubus sp. Linnaeus Canada: Nova Scotia Argyle: [no additional data] J. G. Jack 3434 1924-9-13
A: 01704013 Rubus sp. Linnaeus Canada: Nova Scotia Argyle: [no additional data] J. G. Jack 3433 1924-9-13
A: 01704014 Rubus sp. Linnaeus Canada: Nova Scotia Argyle: [no additional data] J. G. Jack 3432 1924-9-13
A: 01704015 Rubus sp. Linnaeus Canada: Nova Scotia Argyle: [no additional data] J. G. Jack 3432 1924-9-13
A: 01704016 Rubus sp. Linnaeus Canada: Nova Scotia Glenwood J. G. Jack 3417 1924-9-13
A: 01704017 Rubus sp. Linnaeus Canada: Nova Scotia Glenwood J. G. Jack 3416 1924-9-13
A: 01704018 Rubus sp. Linnaeus Canada: Nova Scotia Glenwood J. G. Jack 3415 1924-9-13
A: 01704019 Rubus sp. Linnaeus Canada: Nova Scotia Glenwood J. G. Jack 3414 1924-9-13
A: 01704020 Rubus sp. Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3306 1924-6-23
A: 00985519 Rubus sp. Linnaeus USA: Massachusetts Boston: Near Forest Hills St., Jamaica Plain J. G. Jack
A: 00985522 Rubus sp. Linnaeus USA: Massachusetts Boston: Franklin Park J. G. Jack 1901-10-24
A: 01702985 Rubus spectabilis Pursh Canada: British Columbia Ocean Falls. J. G. Jack 2832 1922-9-11
A: 01702986 Rubus spectabilis Pursh Canada: British Columbia Kwinitsa B. C, (Can. Nat. R.R.) J. G. Jack 2827 1922-9-10
A: 01703194 Rubus trivialis Michaux USA: Alabama Fairhope. J. G. Jack 1924-3-19
A: 01703427 Rubus ursinus Chamisso & Schlechtendal Canada: British Columbia Powell River. J. G. Jack 2850 1922-9-12
A: 01703433 Rubus ursinus Chamisso & Schlechtendal Canada: British Columbia City of Vancouver: [no additional data] J. G. Jack 1904-8-17
GH: 01703475 Rubus vermontanus Blanchard Canada: Nova Scotia Port Mouton J. G. Jack 3475 1924-9-16
GH: 01703481 Rubus vermontanus Blanchard Canada: Nova Scotia Parrsboro J. G. Jack 3564 1924-9-23
A: 01704722 Sibbaldia procumbens Linnaeus Canada: Alberta Lake Louise at lake. J. G. Jack 2905 1922-9-17
A: 01704723 Sibbaldia procumbens Linnaeus Canada: Alberta Jasper Park. Whistlers Mt. J. G. Jack 2678 1922-9-2
A: 01704724 Sibbaldia procumbens Linnaeus Canada: Alberta Jasper Park. Signal Mt. J. G. Jack 2598 1922-8-29
A: 01704725 Sibbaldia procumbens Linnaeus Canada: Alberta Jasper Park. Signal Mt. J. G. Jack 2598a 1922-8-29
GH: 01704826 Sibbaldia procumbens Linnaeus USA: Wyoming Head of Tongue River, Big Horn Mts. J. G. Jack 1900-7-13
A: 01862576 Sorbus americana Marshall Canada: New Brunswick Fredericton J. G. Jack 596 1918-6-13
A: 01862617 Sorbus americana Marshall Canada: Nova Scotia Folly Lake J. G. Jack 1917-10-29
A: 01862618 Sorbus americana Marshall Canada: Nova Scotia Shelburne: [no additional data] J. G. Jack 3549 1924-9-15
A: 01862619 Sorbus americana Marshall Canada: Nova Scotia Yarmouth: [no additional data] J. G. Jack 3782 1924-10-8
A: 01862620 Sorbus americana Marshall Canada: Nova Scotia Halifax: Off Tower Road J. G. Jack 674 1918-6-16
A: 01862621 Sorbus americana Marshall Canada: Nova Scotia Barton J. G. Jack 3342 1924-6-25
A: 01862622 Sorbus americana Marshall Canada: Nova Scotia Clementsport J. G. Jack 3700 1924-10-4
A: 01862623 Sorbus americana Marshall Canada: Nova Scotia Bedford J. G. Jack 3320 1924-6-24
A: 01862624 Sorbus americana Marshall Canada: Nova Scotia Pleasant Valley J. G. Jack 3163 1924-6-17
A: 01862625 Sorbus americana Marshall Canada: Nova Scotia Fall River J. G. Jack 3314 1924-6-23
A: 01862626 Sorbus americana Marshall Canada: Nova Scotia Halifax: near Point Pleasant Park J. G. Jack 3240 1924-6-21
GH: 01862631 Sorbus americana Marshall Canada: Nova Scotia Shelburne: [no additional data] J. G. Jack 3459 1924-9-15
GH: 01862632 Sorbus americana Marshall Canada: Nova Scotia Clementsport J. G. Jack 3700 1924-10-4
A: 01862637 Sorbus americana Marshall Canada: Nova Scotia Barton J. G. Jack 3721 1924-10-6
A: 00706860 Sorbus americana Marshall USA: New Hampshire Mount Washington J. G. Jack 2478 1922-7-26
A: 00706883 Sorbus americana Marshall USA: New Hampshire Franconia: Franconia J. G. Jack 1902-8-31
GH: 01862731 Sorbus aucuparia Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3672 1924-10-1
A: 01862733 Sorbus aucuparia Linnaeus Canada: Nova Scotia Truro: [no additional data] J. G. Jack 622 1918-6-15
A: 01862734 Sorbus aucuparia Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3653 1924-9-3
A: 01862735 Sorbus aucuparia Linnaeus Canada: Nova Scotia Halifax: [no additional data] J. G. Jack 3672 1924-10-1
A: 01862736 Sorbus aucuparia Linnaeus Canada: Nova Scotia Truro: [no additional data] J. G. Jack 631 1918-6-15
A: 01862737 Sorbus aucuparia Linnaeus Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 3286 1924-6-22
A: 01862738 Sorbus aucuparia Linnaeus Canada: Nova Scotia Halifax: Pt. Pleasant Park J. G. Jack 716 1918-6-17
A: 01862739 Sorbus aucuparia Linnaeus Canada: Nova Scotia Halifax: near entrance to Pt. Pleasant Park J. G. Jack 675 1918-6-16
A: 01862910 Sorbus decora (Sargent) C. K. Schneider Canada: Nova Scotia Westville J. G. Jack 1924-06-22
A: 01862911 Sorbus decora (Sargent) C. K. Schneider Canada: Nova Scotia Clementsport J. G. Jack 3337 1924-6-24
A: 01862912 Sorbus decora (Sargent) C. K. Schneider Canada: Nova Scotia Yarmouth: [no additional data] J. G. Jack 3781 1924-10-8
A: 00747106 Sorbus decora (Sargent) C. K. Schneider USA: New Hampshire Franconia: Franconia J. G. Jack 1902-8-31
A: 01862963 Sorbus decora (Sargent) C. K. Schneider USA: New York Whiteface Mt. J. G. Jack 1894-8-8
A: 01863192 Sorbus scopulina Greene USA: Wyoming Piney Creek, Bighorn Mts. J. G. Jack 1900-8-28
A: 01863195 Sorbus scopulina Greene USA: Wyoming Yellowstone Park J. G. Jack 1904-9-3
A: 01863211 Sorbus sitchensis M. Roemer Canada: British Columbia Asulkan Valley; Glacier J. G. Jack 1904-8-14
A: 01863217 Sorbus sitchensis M. Roemer Canada: Alberta Jasper Park. Whistlers Mt. J. G. Jack 2701 1922-9-2
GH: 01863249 Sorbus sitchensis M. Roemer Canada: British Columbia Asulkan Valley; Glacier J. G. Jack 1904-8-14
A: 01863351 Sorbus sp. Canada: Nova Scotia Halifax: near Point Pleasant Park J. G. Jack 3239 1924-6-21
GH: 01863345 Sorbus thuringiaca (Ilse) Fritsch Canada: Nova Scotia Truro: [no additional data] J. G. Jack 3267 1924-6-22
A: 01717554 Spiraea alba latifolia (Aiton) H. E. Ahles USA: New Hampshire Andover: [no additional data] J. G. Jack 3849 1926-8-26
A: 01717555 Spiraea alba latifolia (Aiton) H. E. Ahles USA: New Hampshire North Hampton: [no additional data] J. G. Jack 2467 1922-7-24
A: 01589219 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock Canada: Alberta Lake Louise; Head of lake near Victoria Glac... J. G. Jack 2918 1922-9-17
A: 01589222 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock Canada: Alberta Jasper Park. Whistlers Mt. trail J. G. Jack 2677 1922-9-2
A: 01589238 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock Canada: British Columbia Yellowhead Pass. Lucerne (Can. Nat. R.R.) J. G. Jack 2761 1922-9-6
A: 01589370 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock USA: Wyoming Tongue River, Bighorn Mts. J. G. Jack 1900-7-22
A: 01589371 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock USA: Wyoming Black Mt., Bighorn Mts. J. G. Jack 1900-9-4
A: 01589372 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock USA: Wyoming East slope Bighorn Mts. above Dayton, Wyo. J. G. Jack 1900-9-3
A: 01589501 Spiraea douglasii Hooker Canada: British Columbia City of Vancouver: [no additional data] J. G. Jack 1904-8-17
A: 01589511 Spiraea douglasii Hooker Canada: British Columbia Hatzic (C.P.R.) J. G. Jack 2885 1922-9-15
A: 01589610 Spiraea douglasii menziesii (Hooker) Calder & Roy L. Taylor Canada: British Columbia McBride (Can. Nat. R.R.) J. G. Jack 2811 1922-9-9
A: 00345523 Spiraea douglasii Hooker USA: California Sisson J. G. Jack 1907-8-27
A: 01589789 Spiraea latifolia (Aiton) Borkhausen Canada: New Brunswick Banks of St. John River, Fredericton J. G. Jack 569 1918-6-12
GH: 01589810 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Havelock J. G. Jack 3735 1924-10-6
A: 01589813 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Ohio J. G. Jack 3103 1924-6-17
A: 01589814 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Ohio J. G. Jack 3113 1924-6-17
GH: 01589817 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Barrington: [no additional data] J. G. Jack 3439 1924-9-14
A: 01589818 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Barrington: [no additional data] J. G. Jack 3439 1924-9-14
A: 01589820 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Pictou: [no additional data] J. G. Jack 780 1918-6-19
GH: 01589822 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Ashmore J. G. Jack 3731 1924-10-6
A: 01589823 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Ashmore J. G. Jack 3731 1924-10-6
A: 01615769 Spiraea latifolia (Aiton) Borkhausen Canada: Nova Scotia Ashmore J. G. Jack 3732 1924-10-6
A: 01615764 Spiraea latifolia septentrionalis Fernald Canada: Nova Scotia Lower Argyle J. G. Jack 3438 1924-9-13
A: 01615765 Spiraea latifolia septentrionalis Fernald Canada: Nova Scotia Havelock J. G. Jack 3735 1924-10-6
A: 00659323 Spiraea latifolia (Aiton) Borkhausen USA: Maine York: York J. G. Jack 3790 1924-8-3
A: 00659324 Spiraea latifolia (Aiton) Borkhausen USA: Maine York: York J. G. Jack 3369 1924-7-8
A: 00659327 Spiraea latifolia (Aiton) Borkhausen USA: Maine York: York J. G. Jack 1902-8-10
A: 00659371 Spiraea latifolia (Aiton) Borkhausen USA: New Hampshire Lincoln: Lincoln J. G. Jack 34 1919-9-22
A: 00659509 Spiraea latifolia (Aiton) Borkhausen USA: Massachusetts Northampton: Northampton J. G. Jack 1906-9-29
A: 01717554 Spiraea latifolia (Aiton) Borkhausen USA: New Hampshire Andover: [no additional data] J. G. Jack 3849 1926-8-26
A: 01717555 Spiraea latifolia (Aiton) Borkhausen USA: New Hampshire North Hampton: [no additional data] J. G. Jack 2467 1922-7-24
A: 01589913 Spiraea pyramidata Greene Canada: British Columbia near station; McBride (Can. Nat. R.R.) J. G. Jack 2813 1922-9-9
A: 01589916 Spiraea pyramidata Greene Canada: British Columbia McBride (Can. Nat. R.R.) J. G. Jack 2812 1922-9-9
A: 01586117 Spiraea tomentosa Linnaeus Canada: Nova Scotia Clyde River J. G. Jack 3452 1924-9-16
A: 01586118 Spiraea tomentosa Linnaeus Canada: Nova Scotia Waverley J. G. Jack 3260 1924-6-21
GH: 01586127 Spiraea tomentosa Linnaeus Canada: Nova Scotia Clyde River J. G. Jack 3452 1924-9-16
A: 00710099 Spiraea tomentosa Linnaeus USA: New Hampshire Andover: Andover J. G. Jack 3848 1926-8-26
Rubiaceae A: 02237263 Cephalanthus occidentalis Linnaeus Canada: Quebec Province Chateaugay Basin J. G. Jack 1896-9-7
GH: 02359476 Galium boreale Linnaeus USA: Wyoming Black Mt., Bighorn Mts. J. G. Jack 1900-9-4
Salicaceae A: 00415663 Populus alba Linnaeus USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
A: 00415664 Populus alba Linnaeus USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
A: 00415665 Populus alba Linnaeus USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
A: 00659901 Populus balsamifera Linnaeus USA: Vermont Swanton: Swanton J. G. Jack 2972 1928-8-4
A: 00382132 Populus balsamifera trichocarpa (Torrey & A. Gray) Brayshaw USA: California Santa Barbara: Mountain road J. G. Jack 1907-7-9
A: 00382195 Populus balsamifera trichocarpa (Torrey & A. Gray) Brayshaw USA: California Hornbrook J. G. Jack 4685 1907-8-28
A: 00382198 Populus balsamifera trichocarpa (Torrey & A. Gray) Brayshaw USA: California Hornbrook J. G. Jack 1907-8-28
A: 00382199 Populus balsamifera trichocarpa (Torrey & A. Gray) Brayshaw USA: California Northfork J. G. Jack 1907-8-19
A: 00415664 Populus grandidentata Michaux USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
A: 00415665 Populus grandidentata Michaux USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
A: 00415669 Populus grandidentata Michaux USA: Massachusetts Boston: Mt. Bellevue [Stony Brook Reservatio... J. G. Jack 2481 1923-4-20
A: 00415670 Populus grandidentata Michaux USA: Massachusetts Boston: Mt. Bellevue [Stony Brook Reservatio... J. G. Jack 2481 1923-4-20
A: 00415671 Populus grandidentata Michaux USA: Massachusetts Boston: Mt. Bellevue [Stony Brook Reservatio... J. G. Jack 1922-4-12
A: 00415672 Populus grandidentata Michaux USA: Massachusetts Boston: Spont. in Arn. Arb. [Spontaneous in ... J. G. Jack 2483 1923-4-18
A: 00415673 Populus grandidentata Michaux USA: Massachusetts Boston: Arn. Arb. (native) [The Arnold Arbor... J. G. Jack 1923-4-18
A: 00688801 Populus grandidentata Michaux USA: Massachusetts Jamaica Plain J. G. Jack 1896-3-14
A: 00771774 Populus jackii Sargent USA: Vermont Swanton: Swanton J. G. Jack 3973 1928-8-4
A: 00771775 Populus jackii Sargent USA: Vermont Swanton: Swanton J. G. Jack 3973 1933-8-7
A: 00415663 Populus rouleauiana B. Boivin USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
A: 00415664 Populus rouleauiana B. Boivin USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
A: 00415665 Populus rouleauiana B. Boivin USA: Massachusetts Boston: Parkway, Mt. Bellevue [Stony Brook R... J. G. Jack 3798 1925-10-16
GH: 00724225 Populus smithii B. Boivin USA: Maine York: York J. G. Jack 3791 1924-8-3
A: 00724226 Populus smithii B. Boivin USA: Maine York: York J. G. Jack 3791 1924-8-3
A: 00724227 Populus smithii B. Boivin USA: Maine York: York J. G. Jack 3791 1924-8-3
A: 00724229 Populus smithii B. Boivin USA: New Hampshire Laconia: Laconia J. G. Jack 1919-9-22
A: 00724230 Populus smithii B. Boivin USA: New Hampshire Laconia: Laconia J. G. Jack 26 1919-9-22
A: 00724231 Populus smithii B. Boivin USA: New Hampshire Laconia: Laconia J. G. Jack 26 1919-9-22
A: 00724232 Populus smithii B. Boivin USA: New Hampshire Andover: Andover J. G. Jack 3841 1926-7-1
A: 00724233 Populus smithii B. Boivin USA: New Hampshire Andover: Andover J. G. Jack 3841 1926-7-1
A: 00724235 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 7 1921-6-9
A: 00724236 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 7 1921-6-9
A: 00724237 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 7 1922-4-12
A: 00724238 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 7 1922-4-12
A: 00724239 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 7 1923-4-13
A: 00724240 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 3797 1925-10-16
A: 00724241 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 3797 1925-10-16
A: 00724242 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 3797 1925-10-16
A: 00724243 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 3800 1927-5-19
A: 00724244 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 3800 1925-11-2
A: 00724245 Populus smithii B. Boivin USA: Massachusetts Boston: West Roxbury, Parkway, Mt. Bellevue J. G. Jack 3800a 1927-5-19
A: 00724246 Populus smithii B. Boivin USA: Massachusetts East Walpole J. G. Jack 1946-10-23
A: 00724247 Populus smithii B. Boivin USA: Massachusetts East Walpole J. G. Jack 3859 1926-10-29
A: 00724248 Populus smithii B. Boivin USA: Massachusetts East Walpole J. G. Jack 3859 1926-10-29
A: 00724249 Populus smithii B. Boivin USA: Massachusetts East Walpole J. G. Jack 3859 1926-10-29
A: 00724251 Populus smithii B. Boivin USA: Massachusetts Harvard: Harvard J. G. Jack 3840 1926-6-30
A: 00415675 Populus sp. USA: Massachusetts Boston: Mt. Bellevue [Stony Brook Reservatio... J. G. Jack 10 1920-9-20
A: 00415675 Populus tremuloides Michaux USA: Massachusetts Boston: Mt. Bellevue [Stony Brook Reservatio... J. G. Jack 10 1920-9-20
A: 00415679 Populus tremuloides Michaux USA: Massachusetts Boston: Mt. Bellevue [Stony Brook Reservatio... J. G. Jack 1922-4-12
A: 00415680 Populus tremuloides Michaux USA: Massachusetts Boston: Mt. Bellevue [Stony Brook Reservatio... J. G. Jack 2482 1923-4-14
A: 00659231 Populus tremuloides Michaux USA: Vermont South Royalton J. G. Jack 3846 1926-8-25
A: 00724315 Populus tremuloides Michaux USA: Maine York: York J. G. Jack 1900-6-5
A: 00724317 Populus tremuloides Michaux USA: Maine York: York J. G. Jack 1918-7-21
A: 00724318 Populus tremuloides Michaux USA: Maine York: York J. G. Jack 1918-7-21
A: 00724319 Populus tremuloides Michaux USA: Maine Kittery: Kittery J. G. Jack 1900-6-5
A: 00659190 Populus tremuloides Michaux USA: New Hampshire Holderness: Holderness J. G. Jack 3884 1927-7-9
A: 00659196 Populus tremuloides Michaux USA: New Hampshire Laconia: Laconia J. G. Jack 25 1919-9-22
A: 00659197 Populus tremuloides Michaux USA: New Hampshire Andover: Andover J. G. Jack 3842 1926-7-1
A: 00659176 Populus tremuloides Michaux USA: New Hampshire Randolph: Randolph J. G. Jack 3905 1926-8-25
A: 00659064 Populus tremuloides Michaux USA: Massachusetts West Roxbury J. G. Jack 3800 1926-5-3
A: 00659065 Populus tremuloides Michaux USA: Massachusetts West Roxbury J. G. Jack 3796 1925-10-16
A: 00756506 Populus tremuloides Michaux USA: Massachusetts Cohasset: Cohasset J. G. Jack 1917-8-26
NEBC: 00756507 Populus tremuloides Michaux USA: Massachusetts Cohasset: Cohasset J. G. Jack 1917-8-26
A: 00382333 Populus tremuloides aurea (Tidestrom) Daniels USA: California Near Shuteye Mt, Sierras J. G. Jack 1907-8-8
A: 00382132 Populus trichocarpa Torrey & A. Gray USA: California Santa Barbara: Mountain road J. G. Jack 1907-7-9
A: 00382195 Populus trichocarpa hastata (Dode) A. Henry USA: California Hornbrook J. G. Jack 4685 1907-8-28
A: 00382198 Populus trichocarpa hastata (Dode) A. Henry USA: California Hornbrook J. G. Jack 1907-8-28
A: 00382199 Populus trichocarpa hastata (Dode) A. Henry USA: California Northfork J. G. Jack 1907-8-19
A: 00274356 Salix babylonica Linnaeus USA: Florida Coconut Grove: J. G. Jack 8245 1931-7-31
A: 00641329 Salix conifera Wangenheim USA: Massachusetts Wellesley: Wellesley J. G. Jack 1898-7-4