<< < Previous Amaranthaceae GH: 01928641 Amaranthus albus Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1923-8-26
GH: 01929429 Amaranthus retroflexus Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1923-8-20
Anacardiaceae GH: 01867410 Rhus copallinum latifolia Engler USA: Pennsylvania near "Trappe" Borough. upper Providence Twp. C. D. Fretz 1924-8-15
Asclepiadaceae GH: 01082808 Asclepias viridiflora Rafinesque USA: Pennsylvania Cat Hill, Sellersville C. D. Fretz 1923-8-25
Asteraceae GH: 02189440 Eupatorium hyssopifolium Linnaeus USA: Pennsylvania Bristol C. D. Fretz 1923-9-29
GH: 02189594 Eupatorium leucolepis Torrey & A. Gray USA: New Jersey Hampton Furnace [Shamong Township] C. D. Fretz 1914-9-10
GH: 02190961 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Pennsylvania 2 miles north of Bristol C. D. Fretz 1922-8-5
GH: 02213500 Liatris spicata (Linnaeus) Willdenow USA: Pennsylvania Ridge Valley Churches, near Argus C. D. Fretz 1923-8-14
GH: 01924164 Vernonia noveboracensis (Linnaeus) Michaux USA: Pennsylvania Bethlehem Pike. South of Ridge Hill C. D. Fretz 1923-8-8
Betulaceae GH: 02193626 Betula populifolia Marshall USA: Pennsylvania [data not captured] C. D. Fretz 1916-5-27
GH: 02103575 Ostrya virginiana (Miller) K. Koch USA: Pennsylvania [data not captured] C. D. Fretz 1922-6-22
Boraginaceae GH: 02026255 Cynoglossum virginianum Linnaeus USA: Pennsylvania Rock Hill C. D. Fretz 1921-5-22
Brassicaceae GH: 00974856 Barbarea verna (Miller) Ascherson USA: Pennsylvania Near Sellersville C. D. Fretz 1898-5-16
GH: 01181020 Barbarea vulgaris W. T. Aiton USA: Pennsylvania Sellersville C. D. Fretz 1924-6-3
GH: 01098486 Cardamine angustata O. E. Schulz USA: Pennsylvania Near Quakertown C. D. Fretz 1919-5-3
GH: 00999588 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Pennsylvania Tree Mile Run, near Perkasie C. D. Fretz 1899-5-23
GH: 01546980 Lepidium campestre (Linnaeus) W. T. Aiton USA: Pennsylvania Sellersville C. D. Fretz 1924-6-3
GH: 01548198 Lepidium densiflorum Schrader USA: Pennsylvania Point Pleasant C. D. Fretz 1899-7-4
GH: 01691789 Raphanus raphanistrum Linnaeus USA: Pennsylvania Oak Lane Park C. D. Fretz 1913-6-16
GH: 01693932 Sisymbrium altissimum Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1897-7-8
GH: 01693936 Sisymbrium altissimum Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1897-7-8
Caesalpiniaceae GH: 01679323 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Pennsylvania Harr's Mill, near Sellersville C. D. Fretz 1923-7-23
Caprifoliaceae GH: 02039983 Lonicera dioica Linnaeus USA: Pennsylvania Cat Hill, near Sellersville C. D. Fretz 1924-5-26
GH: 02184116 Sambucus racemosa Linnaeus USA: Pennsylvania along Delaware River. 1/2 mile South of Poin... C. D. Fretz 1925-4-28
GH: 02184879 Viburnum dentatum Linnaeus USA: Pennsylvania near Three Mile Run, north of Sellersville C. D. Fretz 1904-6-25
GH: 02184880 Viburnum dentatum Linnaeus USA: Pennsylvania Glen Lake C. D. Fretz 1904-8-19
GH: 02185906 Viburnum lentago Linnaeus USA: Pennsylvania Rockhill C. D. Fretz 1898-5-27
Caryophyllaceae GH: 01715316 Sagina decumbens (Elliott) Torrey & A. Gray USA: Pennsylvania Silverdale C. D. Fretz 1896-7-18
GH: 01715978 Saponaria officinalis Linnaeus USA: Pennsylvania Sellersville: Sellersville Station C. D. Fretz 1922-7-24
GH: 01752695 Silene latifolia alba (Miller) Greuter & Burdet USA: Pennsylvania Sellersville C. D. Fretz 1906-6-5
GH: 01622016 Stellaria graminea Linnaeus USA: Pennsylvania Silverdale C. D. Fretz 1917-6-23
GH: 01622040 Stellaria graminea Linnaeus USA: Pennsylvania Sellersville Cemetery, Sellersville C. D. Fretz 1924-6-9
Commelinaceae GH: 02073534 Commelina communis Linnaeus USA: Pennsylvania [data not captured] C. D. Fretz 1899-9-4
GH: 02098124 Tradescantia virginiana Linnaeus USA: Pennsylvania [data not captured] C. D. Fretz 1914-6-2
Convolvulaceae GH: 02055230 Calystegia pubescens Lindley USA: Pennsylvania Sellersville C. D. Fretz 1923-8-16
Cucurbitaceae GH: 01544125 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Pennsylvania Along Branch Creek, Sellersville C. D. Fretz 1923-8-9
GH: 01544640 Sicyos angulatus Linnaeus USA: Pennsylvania 2 miles north of Penn's Manor C. D. Fretz 1923-9-29
Cyperaceae GH: 02371610 Carex sparganioides Muhlenberg ex Willdenow USA: Pennsylvania [data not captured] C. D. Fretz 1923-6-2
Ericaceae GH: 01592590 Gaylussacia baccata (Wangenheim) K. Koch USA: Pennsylvania Fleetwood C. D. Fretz 1915-7-6
Fabaceae GH: 01961640 Desmodium marilandicum (Linnaeus) de Candolle USA: Pennsylvania Sellersville C. D. Fretz 1915-8-31
GH: 01961745 Desmodium obtusum (Muhlenberg ex Willdenow) de Candolle USA: Pennsylvania Sellersville C. D. Fretz 1915-8-31
GH: 01959261 Galactia regularis (Linnaeus) Britton, Stearn & Poggenburg USA: New Jersey Atsion [Shamong Township] C. D. Fretz 1881-7-21
GH: 02087863 Lespedeza violacea (Linnaeus) Persoon USA: Pennsylvania Nockamixon C. D. Fretz 1898-9-29
GH: 02086057 Lespedeza virginica (Linnaeus) Britton USA: Pennsylvania near Sellersville C. D. Fretz 1924-9-6
GH: 02137674 Tephrosia virginiana (Linnaeus) Persoon USA: Pennsylvania [data not captured] C. D. Fretz 1915-7-7
GH: 02342744 Trifolium dubium Sibthorp USA: Pennsylvania [data not captured] C. D. Fretz 1899-5-30
GH: 02345654 Vicia caroliniana Walter USA: Pennsylvania [data not captured] C. D. Fretz 1902-5-3
Gentianaceae GH: 02072359 Gentiana autumnalis Linnaeus USA: New Jersey Hampton Furnace [Shamong Township] C. D. Fretz 1914-9-10
Geraniaceae GH: 01864752 Geranium molle Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1899-6-22
Iridaceae GH: 01747228 Iris germanica Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1923-6-8
GH: 01748779 Sisyrinchium angustifolium Miller USA: Pennsylvania Ridge Valley Churches. Near Argus C. D. Fretz 1923-6-19
Juncaceae GH: 02098375 Juncus acuminatus Michaux USA: Pennsylvania [data not captured] C. D. Fretz 1923-7-14
GH: 02101850 Juncus dichotomus Elliott USA: Pennsylvania [data not captured] C. D. Fretz 1899-6-24
Lamiaceae GH: 01552345 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1921-8-11
GH: 01551445 Mentha arvensis Linnaeus USA: Pennsylvania Near Point Pleasant C. D. Fretz 1899-7-20
GH: 01551981 Mentha gentilis Linnaeus USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1914-8-16
GH: 01600038 Mentha gracilis Sole USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1914-9-18
GH: 01600326 Mentha spicata Linnaeus USA: Pennsylvania near Almont C. D. Fretz 1923-7-23
GH: 01600820 Monarda didyma Linnaeus USA: Pennsylvania Point Pleasant C. D. Fretz 1899-7-4
GH: 01599332 Monarda fistulosa mollis (Linnaeus) Bentham USA: Pennsylvania Sellersville C. D. Fretz 1923-8-3
GH: 01596272 Pycnanthemum torrei Bentham USA: Pennsylvania near Lumberville C. D. Fretz 1917-7-23
GH: 01596441 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Pennsylvania Scott's Creek, 2 miles east of Tullytown C. D. Fretz 1923-9-29
GH: 01697133 Scutellaria elliptica Sprengel USA: Pennsylvania Ridge Valley Churches, near Argus C. D. Fretz 1923-6-25
GH: 01699195 Stachys hispida Pursh USA: Pennsylvania Sellersville C. D. Fretz 1923-7-18
GH: 01700048 Teucrium canadense Linnaeus USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1921-7-1
Linaceae GH: 02053976 Linum striatum Walter USA: Pennsylvania Rockhill C. D. Fretz 1898-7-25
Oleaceae GH: 01848016 Fraxinus americana Linnaeus USA: Pennsylvania Campbell's Dam, Milford Square C. D. Fretz 1922-5-27
Orchidaceae AMES: 02045967 Platanthera lacera (Michaux) G. Don USA: Pennsylvania Sellersville: [no additional data] C. D. Fretz 1881-7
Orobanchaceae GH: 02034421 Agalinis purpurea (Linnaeus) Pennell USA: Pennsylvania Along Scott's Creek, 2 miles from Tullytown C. D. Fretz 1923-9-29
GH: 01879878 Conopholis americana (Linnaeus) Wallroth USA: Pennsylvania Rockhill C. D. Fretz
Oxalidaceae GH: 01584991 Oxalis corniculata Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1920-7-24
GH: 01856060 Oxalis stricta Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1915-8-4
GH: 01856294 Oxalis violacea Linnaeus USA: Pennsylvania Cat Hill, near Sellersville C. D. Fretz 1924-5-26
Papaveraceae GH: 01856733 Chelidonium majus Linnaeus USA: Pennsylvania Cat Hill, near Sellersville C. D. Fretz 1924-5-26
GH: 01738797 Corydalis flavula (Rafinesque) de Candolle USA: Pennsylvania Banks of the Delaware River, in Huntendon Co... C. D. Fretz 1925-4-28
GH: 01739350 Dicentra canadensis (Goldie) Walpers USA: Pennsylvania Tohickon C. D. Fretz 1899-4-29
Poaceae GH: 01853109 Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg USA: Pennsylvania Bristol: [data not captured] C. D. Fretz 1898-9-14
Polygalaceae GH: 01968599 Polygala verticillata Linnaeus USA: Pennsylvania Sellersville C. D. Fretz 1915-8-12
Polygonaceae GH: 02362902 Persicaria punctata (Elliott) Small USA: Pennsylvania [data not captured] C. D. Fretz 1915-9-3
Primulaceae GH: 01918575 Lysimachia lanceolata Walter USA: Pennsylvania near Quakertown C. D. Fretz 1917-8-4
Ranunculaceae GH: 01710515 Cimicifuga racemosa (Linnaeus) Nuttall USA: Pennsylvania East of Rich Hill C. D. Fretz 1922-7-8
GH: 01710973 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Pennsylvania 1/2 mile east of Point Pleasant C. D. Fretz 1925-4-28
GH: 01661532 Hydrastis canadensis Linnaeus USA: Pennsylvania E. of Quakertown C. D. Fretz 1916-5-13
GH: 01662991 Ranunculus bulbosus Linnaeus USA: Pennsylvania "Cat Hill," Sellersville C. D. Fretz 1924-5-18
GH: 01837553 Ranunculus recurvatus Poiret USA: Pennsylvania Springfield Township C. D. Fretz 1899-6-5
GH: 01837560 Ranunculus recurvatus Poiret USA: Pennsylvania Tullytown C. D. Fretz 1899-5-30
GH: 01840284 Trollius laxus Salisbury USA: Pennsylvania 2 1/2 miles N. W. of Pleasant Valley, Spring... C. D. Fretz 1925-5-9
GH: 01840285 Trollius laxus Salisbury USA: Pennsylvania Springfield C. D. Fretz 1884-5-5
Rosaceae GH: 01586773 Agrimonia pubescens Wallroth USA: Pennsylvania near Almont C. D. Fretz 1923-7-26
GH: 01586774 Agrimonia pubescens Wallroth USA: Pennsylvania Sellersville C. D. Fretz 1915-8-4
GH: 01729336 Amelanchier stolonifera Wiegand USA: Pennsylvania Along Ridge Road, near Almont C. D. Fretz 1923-7-18
A: 01756771 Crataegus arcana Beadle USA: Pennsylvania N. Sellersville C. D. Fretz 141 1903-9-22
A: 01756772 Crataegus arcana Beadle USA: Pennsylvania Deep Run C. D. Fretz 126 1900-9-20
A: 01756773 Crataegus arcana Beadle USA: Pennsylvania Deep Run C. D. Fretz 126 1900-5-21
A: 01756774 Crataegus arcana Beadle USA: Pennsylvania California C. D. Fretz 122 1900-9-17
A: 01756775 Crataegus arcana Beadle USA: Pennsylvania California C. D. Fretz 122 1900-5-22
GH: 01757187 Crataegus biltmoreana Beadle USA: Pennsylvania Ridge Road, near Sellersville C. D. Fretz 206 1906-5-25
A: 01757200 Crataegus biltmoreana Beadle USA: Pennsylvania Deep Run Hill C. D. Fretz 195 1907-9-13
A: 01757201 Crataegus biltmoreana Beadle USA: Pennsylvania going down to Deep Run C. D. Fretz 195 1905-5-20
A: 01757202 Crataegus biltmoreana Beadle USA: Pennsylvania Deep Run Hill C. D. Fretz 195 1905-5-20
A: 01757203 Crataegus biltmoreana Beadle USA: Pennsylvania N. Perkasie C. D. Fretz 157 1901-6-3
A: 01757204 Crataegus biltmoreana Beadle USA: Pennsylvania Pleasant Spring Bridge C. D. Fretz 108 1900-5-28
A: 01757205 Crataegus biltmoreana Beadle USA: Pennsylvania Pleasant Spring Bridge C. D. Fretz 108 1900-9-13
A: 01757348 Crataegus boyntonii Beadle USA: Pennsylvania near Sellersville C. D. Fretz 119 1905-5-19
A: 01757353 Crataegus boyntonii Beadle USA: Pennsylvania near Sellersville C. D. Fretz 199 1905-5-20
GH: 01758269 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Sellersville C. D. Fretz [data not captured] 123 1904-9-30
A: 01758281 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Pennsylvania C. D. Fretz 167 1903-9-23
A: 01758282 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania near Sellersville C. D. Fretz 167 1903-9-14
A: 01758283 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania near Sellersville C. D. Fretz 167 1903-6-9
A: 01758284 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania near Sellersville C. D. Fretz 167 1903-9-23
A: 01758285 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Harr's Dam C. D. Fretz 1903-6-9
A: 01758299 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Sellersville C. D. Fretz 1903-6-5
A: 01758300 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Sellersville C. D. Fretz 1903-10-5
A: 01758301 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Sellersville C. D. Fretz 21 1899-6-6
A: 01758302 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Sellersville C. D. Fretz 21 1901-6-14
A: 01758303 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Sellersville C. D. Fretz 21 1901-10-1
A: 01758307 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Pennsylvania C. D. Fretz 24 1905-2-18
GH: 01611319 Crataegus crus-galli Linnaeus USA: Pennsylvania Tohickon Bridge, east of Tuckertown C. D. Fretz 1923-6-2
A: 01611359 Crataegus crus-galli Linnaeus USA: Pennsylvania Rockhill Station C. D. Fretz 185 1903-5-22
A: 01611360 Crataegus crus-galli Linnaeus USA: Pennsylvania Rockhill Station C. D. Fretz 185 1903-9-22
A: 01611369 Crataegus crus-galli Linnaeus USA: Pennsylvania Pt. Pleasant C. D. Fretz 116 1899-9-4
A: 01611370 Crataegus crus-galli Linnaeus USA: Pennsylvania near Sellersville C. D. Fretz 27 1899-7-10
A: 01611371 Crataegus crus-galli Linnaeus USA: Pennsylvania Tohickon C. D. Fretz 25 1899-7-12
GH: 01611391 Crataegus crus-galli Linnaeus USA: Pennsylvania Sellersville C. D. Fretz [data not captured] 124 (191) 1904-9-30
A: 01611869 Crataegus disperma Ashe USA: Pennsylvania Durham C. D. Fretz 147 1901-5-30
A: 01612156 Crataegus dissona Sargent USA: Pennsylvania Sellersville C. D. Fretz 4 1898-6-10
A: 01612157 Crataegus dissona Sargent USA: Pennsylvania Sellersville C. D. Fretz 118 1899-8-13
A: 01612158 Crataegus dissona Sargent USA: Pennsylvania Sellersville C. D. Fretz 4 1898-5-27
A: 01612159 Crataegus dissona Sargent USA: Pennsylvania Sellersville C. D. Fretz
A: 01612161 Crataegus dissona Sargent USA: Pennsylvania Race bank - Benjamin, Sellersville C. D. Fretz 106 1899-9-27
A: 01612162 Crataegus dissona Sargent USA: Pennsylvania Race-bank. Benjamin, Sellersville C. D. Fretz 106 1899-5-16
A: 01612163 Crataegus dissona Sargent USA: Pennsylvania Race-bank. Benjamin, Sellersville C. D. Fretz 106 1899-8-11
A: 01612164 Crataegus dissona Sargent USA: Pennsylvania N. Sellersville C. D. Fretz 118 1901-5-28
A: 01612171 Crataegus dissona Sargent USA: Pennsylvania Durham C. D. Fretz 148 1901-9-24
A: 01612172 Crataegus dissona Sargent USA: Pennsylvania Durham C. D. Fretz 148 1901-5-30
A: 01612173 Crataegus dissona Sargent USA: Pennsylvania Deep Run C. D. Fretz 131 1900-5-28
A: 01612342 Crataegus dodgei Ashe USA: Pennsylvania California C. D. Fretz 123 1900-5-22
A: 01612348 Crataegus dodgei Ashe USA: Pennsylvania California C. D. Fretz 123 1900-9-17
A: 01612349 Crataegus dodgei Ashe USA: Pennsylvania Bedminster C. D. Fretz 208 1907-5-24
A: 01612350 Crataegus dodgei Ashe USA: Pennsylvania Bedminster C. D. Fretz 208 1906-8-29
A: 01612351 Crataegus dodgei Ashe USA: Pennsylvania Bedminster C. D. Fretz 208 1906-6-14
A: 01613562 Crataegus holmesiana Ashe USA: Pennsylvania Sellersville C. D. Fretz 1 1896-5-12
A: 01613563 Crataegus holmesiana Ashe USA: Pennsylvania Sellersville C. D. Fretz 2 1896-5-12
A: 01613564 Crataegus holmesiana Ashe USA: Pennsylvania at the bridge, Sellersville C. D. Fretz 34 1899-8-11
A: 01613565 Crataegus holmesiana Ashe USA: Pennsylvania Sellersville C. D. Fretz 35
A: 01613566 Crataegus holmesiana Ashe USA: Pennsylvania Sellersville C. D. Fretz
A: 01613567 Crataegus holmesiana Ashe USA: Pennsylvania Grater's Ford C. D. Fretz 18 1899-5-7
A: 01613568 Crataegus holmesiana Ashe USA: Pennsylvania near Sellersville C. D. Fretz 32 1899-7-31
A: 01614001 Crataegus intricata Lange USA: Pennsylvania Rockhill Station C. D. Fretz 121 1901-5-31
A: 01614002 Crataegus intricata Lange USA: Pennsylvania Rockhill Station C. D. Fretz 121 1901-9-11
A: 01614003 Crataegus intricata Lange USA: Pennsylvania Rockhill C. D. Fretz 165 1903-5-22
A: 01614004 Crataegus intricata Lange USA: Pennsylvania Rockhill C. D. Fretz 165 1903-9-22
A: 01614005 Crataegus intricata Lange USA: Pennsylvania Rockhill Station C. D. Fretz 165 1903-9-22
A: 01614006 Crataegus intricata Lange USA: Pennsylvania Rockhill Station C. D. Fretz 165 1903-5-22
A: 01614022 Crataegus intricata Lange USA: Pennsylvania Rockhill C. D. Fretz 121 1901-5-31
A: 01614023 Crataegus intricata Lange USA: Pennsylvania Rockhill Station C. D. Fretz 121 1901-9-11
A: 01614024 Crataegus intricata Lange USA: Pennsylvania Rockhill Station C. D. Fretz 1901-10-25
A: 01614025 Crataegus intricata Lange USA: Pennsylvania Rockhill Station C. D. Fretz 1899-10-3
A: 01614026 Crataegus intricata Lange USA: Pennsylvania Rockhill Sta. C. D. Fretz 121 1899-10-3
A: 01614027 Crataegus intricata Lange USA: Pennsylvania Rockhill C. D. Fretz 155 1901-10-21
A: 01614028 Crataegus intricata Lange USA: Pennsylvania Rockhill C. D. Fretz 155 1901-10-21
A: 01614029 Crataegus intricata Lange USA: Pennsylvania Sellersville C. D. Fretz 15 1899-5-19
A: 01614040 Crataegus intricata Lange USA: Pennsylvania Ridge Road. Sellersville C. D. Fretz 115 1899-8-28
A: 01614556 Crataegus iracunda Beadle USA: Pennsylvania Pleasant Spring Village C. D. Fretz 107 1899-9-27
A: 01614557 Crataegus iracunda Beadle USA: Pennsylvania Pleasant Spring Village C. D. Fretz 107 1899-9-27
A: 01614559 Crataegus iracunda Beadle USA: Pennsylvania near South Perkasie C. D. Fretz 175 1903-5-13
A: 01614560 Crataegus iracunda Beadle USA: Pennsylvania near South Perkasie C. D. Fretz 175 1903-9-19
A: 01614589 Crataegus iracunda Beadle USA: Pennsylvania Pleasant St. Bridge, Sellersville C. D. Fretz 107 1900-5-21
A: 01614590 Crataegus iracunda Beadle USA: Pennsylvania Durham P. O. C. D. Fretz 1913-5-9
A: 01666849 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 143 1901-9-10
A: 01666850 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 143 1901-5-22
A: 01666854 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 13 1901-5-24
A: 01666855 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 13 1899-8-12
A: 01666877 Crataegus macrosperma Ashe USA: Pennsylvania 3 mile-run-road. Sellersville C. D. Fretz 100 1899-9-27
A: 01666878 Crataegus macrosperma Ashe USA: Pennsylvania N. Sellersville, 3-mile-run-road C. D. Fretz 101 1901-5-22
A: 01666879 Crataegus macrosperma Ashe USA: Pennsylvania N. Sellersville - 3-mile-run-road C. D. Fretz 101 1901-9-12
A: 01666880 Crataegus macrosperma Ashe USA: Pennsylvania near Perkasie C. D. Fretz 105 1899-9-12
A: 01666881 Crataegus macrosperma Ashe USA: Pennsylvania Ridge Road, Sellersville C. D. Fretz 130 1900-5-16
A: 01666882 Crataegus macrosperma Ashe USA: Pennsylvania Ridge Road, Sellersville C. D. Fretz 130 1900-9-13
A: 01666883 Crataegus macrosperma Ashe USA: Pennsylvania n. Sellersville C. D. Fretz 142 1901-5-22
A: 01666884 Crataegus macrosperma Ashe USA: Pennsylvania n. Sellersville C. D. Fretz 142 1901-9-27
A: 01666888 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 112C 1901-5-20
A: 01666889 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 112C 1903-9-24
A: 01666919 Crataegus macrosperma Ashe USA: Pennsylvania Hilltop, near Sellersville C. D. Fretz 180 1903-5-15
A: 01666920 Crataegus macrosperma Ashe USA: Pennsylvania Hilltop, near Sellersville C. D. Fretz 180 1903-9-14
A: 01666921 Crataegus macrosperma Ashe USA: Pennsylvania Durham Station C. D. Fretz 171 1903-5-9
A: 01666922 Crataegus macrosperma Ashe USA: Pennsylvania Durham Station C. D. Fretz 171 1903-9-29
A: 01666923 Crataegus macrosperma Ashe USA: Pennsylvania Near Sellersville C. D. Fretz 166 1903-5-15
A: 01666924 Crataegus macrosperma Ashe USA: Pennsylvania Near Sellersville C. D. Fretz 166 1903-9-14
A: 01666925 Crataegus macrosperma Ashe USA: Pennsylvania Perkasie C. D. Fretz 169 1903-5-8
A: 01666926 Crataegus macrosperma Ashe USA: Pennsylvania Perkasie C. D. Fretz 169 1903-9-3
A: 01666927 Crataegus macrosperma Ashe USA: Pennsylvania Perkasie C. D. Fretz 169 1903-7-6
A: 01666928 Crataegus macrosperma Ashe USA: Pennsylvania Perkasie C. D. Fretz 169 1903-9-22
A: 01666929 Crataegus macrosperma Ashe USA: Pennsylvania near Sellersville C. D. Fretz 179 1903-5-15
A: 01666930 Crataegus macrosperma Ashe USA: Pennsylvania near Sellersville C. D. Fretz 179 1903-9-26
GH: 01667001 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 139 1907-9-17
A: 01667004 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 174 1903-7-3
A: 01667005 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville C. D. Fretz 174 1903-9-19
GH: 01667055 Crataegus macrosperma Ashe USA: Pennsylvania Near South Perkasie C. D. Fretz 1909-5-19
GH: 01667779 Crataegus media Sargent USA: Pennsylvania Hilltown Twp., near Sellersville C. D. Fretz 111 1909-5-19
A: 01669588 Crataegus pedicellata Sargent USA: Pennsylvania Sellersville C. D. Fretz 184 1903-7-1
A: 01669617 Crataegus pedicellata Sargent USA: Pennsylvania Sellersville [Dorn's? or Dan's?] C. D. Fretz 184 1903-9-14
A: 01669618 Crataegus pedicellata Sargent USA: Pennsylvania near Sellersville, near Harr's Dam C. D. Fretz 184 1903-5-20
A: 01669619 Crataegus pedicellata Sargent USA: Pennsylvania Near Sellersville C. D. Fretz 184 1904-5-20
A: 01670163 Crataegus pringlei Sargent USA: Pennsylvania N. Sellersville C. D. Fretz 146a 1901-9-10
A: 01670164 Crataegus pringlei Sargent USA: Pennsylvania Sellersville C. D. Fretz 146
A: 01670165 Crataegus pringlei Sargent USA: Pennsylvania N. Sellesville C. D. Fretz 146 1901-5-24
A: 01670166 Crataegus pringlei Sargent USA: Pennsylvania N. Sellersville C. D. Fretz 146 1901-10-10
A: 01670167 Crataegus pringlei Sargent USA: Pennsylvania Race-bank at Sellersville C. D. Fretz 135 1901-5-21
A: 01670168 Crataegus pringlei Sargent USA: Pennsylvania Race-bank at Sellersville C. D. Fretz 135 1901-9-10
A: 01670180 Crataegus pringlei Sargent USA: Pennsylvania Deep Run C. D. Fretz 194 1906-5-17
A: 01670181 Crataegus pringlei Sargent USA: Pennsylvania Deep Run C. D. Fretz 194 1906-9-25
A: 01670182 Crataegus pringlei Sargent USA: Pennsylvania Deep Run - Meeting House C. D. Fretz 194 1905-5-20
A: 01670969 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania N. Sellersville C. D. Fretz 138 1901-5-22
A: 01670976 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania N. Sellersville C. D. Fretz 138
A: 01670978 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Durham Furnace C. D. Fretz 149 1901-9-24
A: 01670979 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Durham Furnace C. D. Fretz 149 1901-10-19
A: 01670980 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania [no additonal data] C. D. Fretz 149 1901-5-30
A: 01670981 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Durham C. D. Fretz 149 1901-5-23
A: 01646020 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania near Sellersville C. D. Fretz 138 1903-9-22
A: 01646021 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Sellersville C. D. Fretz 136 1901-5-22
A: 01646027 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Deep Run C. D. Fretz 181 1903-5-16
A: 01646028 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Sellersville C. D. Fretz 181 1903-9-21
A: 01646029 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Sellersville C. D. Fretz 136 1901-9-10
A: 01646030 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Perkasie C. D. Fretz 136 1903-5-22
A: 01646031 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Perkasie C. D. Fretz 136 1903-9-22
GH: 01646064 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Perkasie C. D. Fretz 203 1907-9-17
GH: 01646067 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Durham Furnace C. D. Fretz 149-150 1903-9-29
GH: 01646068 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Durham Furnace C. D. Fretz 1913-5-9
A: 01646069 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Near Brucker's - Rockhill C. D. Fretz 103 1899-9-27
A: 01646070 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Near Brucker's - Rockhill C. D. Fretz 103 1899-6-23
A: 01646071 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Near Brucker's Rockhill C. D. Fretz 103 1899-5-12
A: 01646072 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Near Brucker's, Rockhill C. D. Fretz 103 1899-5-23
A: 01646091 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Sellersville C. D. Fretz 201 1906-6-10
A: 01646092 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Sellersville C. D. Fretz 201 1907-9-13
A: 01646101 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Perkasie C. D. Fretz 137 1901-10-10
A: 01646102 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Perkasie C. D. Fretz 137 1901-10-10
A: 01646103 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania N. Perkasie C. D. Fretz 137 1901-5-22
A: 01646104 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Deep Run C. D. Fretz 127 1903-5-16
A: 01646105 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Deep Run C. D. Fretz 127 1903-9-21
A: 01646106 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania 3 Mile Run C. D. Fretz 102 1899-5-23
A: 01646107 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Milltown - Cl. St. Bridge C. D. Fretz 124 1900-5-20
A: 01646108 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Milltown - Cl. St. Bridge C. D. Fretz 124 1900-9-14
GH: 01646137 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Sellersville C. D. Fretz [data not captured] 126 1904-9-30
A: 01647089 Crataegus punctata Jacquin USA: Pennsylvania Durham C. D. Fretz 152 1901-9-24
A: 01647090 Crataegus punctata Jacquin USA: Pennsylvania Durham C. D. Fretz 152 1901-5-30
A: 01647099 Crataegus punctata Jacquin USA: Pennsylvania Perkasie C. D. Fretz 9 1899-5-23
A: 01647100 Crataegus punctata Jacquin USA: Pennsylvania Perkasie C. D. Fretz 9 1899-7-17
A: 01647109 Crataegus punctata Jacquin USA: Pennsylvania Durham C. D. Fretz 153 1901-5-30
GH: 01649199 Crataegus succulenta Schrader ex Link USA: Pennsylvania Sellersville C. D. Fretz 158 1903-5-20
GH: 01649200 Crataegus succulenta Schrader ex Link USA: Pennsylvania Sellersville C. D. Fretz 158 1903-9-18
A: 01649202 Crataegus succulenta Schrader ex Link USA: Pennsylvania Deep Run C. D. Fretz 198 1907-9-13
A: 01649203 Crataegus succulenta Schrader ex Link USA: Pennsylvania Deep Run C. D. Fretz 198 1907-5-26
A: 01649208 Crataegus succulenta Schrader ex Link USA: Pennsylvania Durham C. D. Fretz 154 1901-5-30
A: 01649209 Crataegus succulenta Schrader ex Link USA: Pennsylvania Durham C. D. Fretz 154 1901-5-20
A: 01649210 Crataegus succulenta Schrader ex Link USA: Pennsylvania Sellersville C. D. Fretz 158 1901-6-1
A: 01649214 Crataegus succulenta Schrader ex Link USA: Pennsylvania Deep Run C. D. Fretz 197 1905-5-20
A: 01649215 Crataegus succulenta Schrader ex Link USA: Pennsylvania Deep Run C. D. Fretz 197 1905-5-20
A: 01649216 Crataegus succulenta Schrader ex Link USA: Pennsylvania Deep Run C. D. Fretz 197 1904-10-1
A: 01649223 Crataegus succulenta Schrader ex Link USA: Pennsylvania Deep Run C. D. Fretz 198 1905-5-20
GH: 01649246 Crataegus succulenta Schrader ex Link USA: Pennsylvania Sellersville C. D. Fretz 1909-5-29
A: 01649260 Crataegus succulenta Schrader ex Link USA: Pennsylvania R. R. Bridge, Sellersville. Along Branch Cre... C. D. Fretz 19 1899-5-26
A: 01649261 Crataegus succulenta Schrader ex Link USA: Pennsylvania R. R. Bridge, Sellersville, along Branch Cre... C. D. Fretz 19 1899-6-27
A: 01649262 Crataegus succulenta Schrader ex Link USA: Pennsylvania R. R. Bridge, Sellersville, along Branch Cre... C. D. Fretz 19 1901-10-10
A: 01649263 Crataegus succulenta Schrader ex Link USA: Pennsylvania Sellersville C. D. Fretz 20 1899-5-26
A: 01649264 Crataegus succulenta Schrader ex Link USA: Pennsylvania Sellersville C. D. Fretz 20 1899-7-10
A: 01649265 Crataegus succulenta Schrader ex Link USA: Pennsylvania near Sellersville C. D. Fretz 20 1899-5-26
A: 01649786 Crataegus uniflora Münchhausen USA: Pennsylvania Sellersville C. D. Fretz 1899-7-10
A: 01649787 Crataegus uniflora Münchhausen USA: Pennsylvania Sellersville C. D. Fretz 1899-5-23
A: 01649788 Crataegus uniflora Münchhausen USA: Pennsylvania Sellersville C. D. Fretz 22 1899-5-23
A: 01649789 Crataegus uniflora Münchhausen USA: Pennsylvania Sellersville C. D. Fretz 22 1899-7-10
A: 02052246 Crataegus uniflora Münchhausen USA: Pennsylvania near Sellersville C. D. Fretz 182 1903-5-20
GH: 01606877 Fragaria virginiana Miller USA: Pennsylvania Ridge Valley Churches, near Argus C. D. Fretz 1923-5-14
GH: 01609481 Geum fragarioides (Michaux) Smedmark USA: Pennsylvania Sellersville C. D. Fretz 1914-5-28
GH: 01862089 Malus prunifolia (Willdenow) Borkhausen USA: Pennsylvania near Sellersville C. D. Fretz 1924-5-14
GH: 01566875 Potentilla argentea Linnaeus USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1901-7-16
GH: 01569521 Potentilla norvegica Linnaeus USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1922-7-31
GH: 01570501 Potentilla simplex Michaux USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1921-4-30
GH: 01722424 Prunus maritima Marshall USA: Pennsylvania Hilltown Twp., near Sellersville C. D. Fretz 1900-5-13
GH: 01602543 Rubus allegheniensis Porter USA: Pennsylvania East Rockhill Township, 1 1/4 mi N.E. of Per... C. D. Fretz 1916-5-27
GH: 01605837 Rubus laciniatus Willdenow USA: Pennsylvania Point Pleasant C. D. Fretz 1898-7-11
GH: 01589881 Spiraea latifolia (Aiton) Borkhausen USA: Pennsylvania Carversville C. D. Fretz 1915-8-24
GH: 01586206 Spiraea tomentosa Linnaeus USA: Pennsylvania Tullytown C. D. Fretz 1923-9-29
Saxifragaceae GH: 01616029 Mitella diphylla Linnaeus USA: Pennsylvania 1/2 mile east of Point Pleasant C. D. Fretz 1925-4-28
Selaginellaceae GH: 02075026 Selaginella apoda (Linnaeus) C. Morren USA: Pennsylvania Ridge Valley Churches - near Argus, West Roc... C. D. Fretz 1923-6-19
Solanaceae GH: 01541033 Physalis grisea (Waterfall) M. Martínez USA: Pennsylvania Sellersville: Sellersville C. D. Fretz 1901-9-7
GH: 01542477 Solanum carolinense Linnaeus USA: Pennsylvania Bristol C. D. Fretz 1922-8-5
GH: 01542759 Solanum dulcamara Linnaeus USA: Pennsylvania Beaver Run near Quakertown C. D. Fretz 1922-5-27
Violaceae GH: 02146367 Viola cucullata Aiton USA: Pennsylvania Tullytown C. D. Fretz 1902-5-8
GH: 02146364 Viola cucullata Aiton USA: Pennsylvania 2 1/2 miles, n.west Pleasant Valley, Springf... C. D. Fretz 1925-5-9
GH: 02146803 Viola hirsutula Brainerd USA: Pennsylvania Ridge Valley Churches, near Argus C. D. Fretz 1923-5-14
GH: 02146802 Viola hirsutula Brainerd USA: Pennsylvania Rock Hill C. D. Fretz 1921-4-28
GH: 02147311 Viola lanceolata Linnaeus USA: Pennsylvania Tullytown C. D. Fretz 1901-5-8
GH: 02208418 Viola pedata Linnaeus USA: Pennsylvania Jenkintown C. D. Fretz 1899-5-4
GH: 02208964 Viola primulifolia Linnaeus USA: Pennsylvania Tullytown C. D. Fretz 1902-5-8
GH: 02209371 Viola pubescens Aiton USA: Pennsylvania Sellersville C. D. Fretz 1924-5-23
GH: 02210059 Viola sagittata Aiton USA: Pennsylvania Tullytown C. D. Fretz 1902-5-8
GH: 02210197 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Pennsylvania Sellersville C. D. Fretz 1902-5-29
GH: 02210196 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Pennsylvania Durham C. D. Fretz 1902-5-26
GH: 02210189 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Pennsylvania Durham C. D. Fretz 1902-5-3
GH: 02210186 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Pennsylvania 1/2 mile south of Sellersville C. D. Fretz 1925-5-14
GH: 02210185 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Pennsylvania Durham. overlooking Lehnenberg C. D. Fretz 1902-5-26
GH: 02210997 Viola sororia Willdenow USA: Pennsylvania Tullytown C. D. Fretz 1902-5-8
GH: 02211017 Viola sororia Willdenow USA: Pennsylvania Rock Hill C. D. Fretz 1902-5-10
GH: 02211493 Viola sororia missouriensis (Greene) L. E. McKinney USA: Pennsylvania 1 mile east of Finland. MIlford Twp. C. D. Fretz 1924-5-14
GH: 02211492 Viola sororia missouriensis (Greene) L. E. McKinney USA: Pennsylvania Harris Dam, near Sellersville C. D. Fretz 1901-5-4
GH: 02211490 Viola sororia missouriensis (Greene) L. E. McKinney USA: Pennsylvania Sellersville C. D. Fretz 1902-5-9
GH: 02211765 Viola subsinuata (Greene) Greene USA: Pennsylvania Ridge Valley Churches, near Argus C. D. Fretz 1923-5-14
