Aceraceae A: 01791738 Acer negundo Linnaeus USA: Michigan Mackinac Island. Straits of Mackinac H. A. Gleason 714 1933-7-30
A: 01794346 Acer saccharum Marshall USA: Michigan northern end of the Lower Peninsula. Near th... H. A. Gleason 669 1933-7-16
Aizoaceae GH: 01681025 Mollugo verticillata Linnaeus USA: Illinois [data not captured] H. A. Gleason 1837 1900-8-25
GH: 01681024 Mollugo verticillata Linnaeus USA: Illinois [data not captured] H. A. Gleason 2323 1902-8-14
Amaranthaceae GH: 01928824 Amaranthus blitoides S. Watson USA: Ohio Columbus: along Sciota River. H. A. Gleason 1904-9-24
GH: 01781700 Chenopodiastrum simplex (Torrey) S. Fuentes, Uotila & Borsch USA: Illinois [data not captured] H. A. Gleason 1827 1900-8-23
Annonaceae GH: 00039645 Rollinia broadwayi cuneata R. E. Fries Guyana: Rockstone H. A. Gleason 576 1921-8
GH: 00039645 Rollinia exsucca (de Candolle ex Dunal) A. de Candolle Guyana: Rockstone H. A. Gleason 576 1921-8
Apocynaceae GH: 02179374 Apocynum androsaemifolium Linnaeus USA: Illinois Decatur; 2 miles from Maf-fits bridge, on th... H. A. Gleason 336 1895-6-29
GH: 02179372 Apocynum androsaemifolium Linnaeus USA: Illinois Urbana: [no additional data] H. A. Gleason
GH: 02179812 Apocynum cannabinum Linnaeus USA: Illinois Champaign: [no additional data] H. A. Gleason 687 1899-6-27
GH: 02116135 Himatanthus bracteatus (A. de Candolle) Woodson Guyana: Plants of British Guiana; East of Rockstone H. A. Gleason 777 1921-7-22
GH: 02378424 Lacmellea aculeata (Ducke) Monachino Guyana: Plants of British Guiana; Rockstone H. A. Gleason 910 1921-7-15
GH: 02379619 Mandevilla scabra (Hoffmannsegg ex Roemer & Schultes) K. Schumann Guyana: East of Rockstone; British Guiana H. A. Gleason 774 1921-7-22
GH: 02380493 Mesechites trifidus Müller Arg. Guyana: Bank of the Essequibo River, Rockstone H. A. Gleason 885 1921-7-31
GH: 02381291 Odontadenia geminata (Hoffmannsegg ex Roemer & Schultes) Müller Arg. Guyana: Potaro-Siparuni Bank of the Potaro River, Tumatumari H. A. Gleason 414 1921-7-4
GH: 02381289 Odontadenia geminata (Hoffmannsegg ex Roemer & Schultes) Müller Arg. Guyana: Potaro-Siparuni Bank of the Potaro River, Tumatumari H. A. Gleason 403 1921-7-4
GH: 02382960 Prestonia marginata Markgraf Guyana: Potaro-Siparuni Bank of the Potaro River, Tumatumari; Plants... H. A. Gleason 336 1921-7-4
GH: 02383065 Prestonia sp. Guyana: Bank of the Essequibo River, Rockstone; Plan... H. A. Gleason 886 1921-7-31
GH: 02375646 Tabernaemontana Linnaeus Guyana: Tumatumari H. A. Gleason 160 1921-6-18
GH: 02375645 Tabernaemontana cerea (Woodson) Leeuwenberg Guyana: Tumatumari H. A. Gleason 285 1921-6-18
GH: 02375646 Tabernaemontana cerea (Woodson) Leeuwenberg Guyana: Tumatumari H. A. Gleason 160 1921-6-18
GH: 02372069 Tabernaemontana undulata Vahl Guyana: Tumatumari H. A. Gleason 387 1921-6-18
GH: 02372071 Tabernaemontana undulata Vahl Guyana: Rockstone H. A. Gleason 591 1921-7-15
Araceae GH: 01635669 Anthurium jenmanii Engler Guyana: Rockstone H. A. Gleason 617 1921-7-15
GH: 01654038 Arisaema dracontium (Linnaeus) Schott USA: Illinois Sand Creek H. A. Gleason 445 1895-5-18
GH: 01654183 Arisaema triphyllum (Linnaeus) Schott USA: Illinois Sand Creek H. A. Gleason 444 1895
GH: 01629142 Philodendron callosum K. Krause Guyana: Bank of the Potaro River, Tumatumari H. A. Gleason 364 1921-7-4
GH: 01629175 Philodendron fragrantissimum (Hooker) G. Don Guyana: Tumatumari H. A. Gleason 121 1921-6-18
GH: 01629183 Philodendron fragrantissimum (Hooker) G. Don Guyana: Rockstone H. A. Gleason 560 1921-7-15
GH: 01629270 Philodendron pedatum (Hooker) Kunth Guyana: Tumatumari H. A. Gleason 145 1921-6-18
GH: 01874391 Urospatha sp. Guyana: Tumatumari H. A. Gleason 109 1921-6-18
Aristolochiaceae GH: 01681882 Aristolochia tomentosa Sims USA: Illinois [data not captured] H. A. Gleason 2303 1902-7-4
GH: 01682176 Asarum canadense Linnaeus USA: Ohio [data not captured] H. A. Gleason 1905-5-13
Aspleniaceae GH: 01919873 Asplenium pinnatifidum Nuttall USA: Ohio Sugar Grove H. A. Gleason 1905-5
GH: 02068177 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
Asteraceae GH: 02172111 Arctium minus (Hill) Bernhardi USA: Illinois [data not captured] H. A. Gleason 124 1898-10-6
GH: 01003612 Artemisia annua Linnaeus USA: Ohio Columbus: along Scioto River H. A. Gleason 1904-9-24
GH: 01003611 Artemisia annua Linnaeus USA: Ohio Columbus: along Scioto River H. A. Gleason 1904-9-24
GH: 01003783 Artemisia biennis Willdenow USA: Illinois Champaign: [no additional data] H. A. Gleason 1898-10-6
GH: 00968261 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Illinois Kilburn [Kilbourne] H. A. Gleason 1903-8-14
GH: 02215136 Boltonia asteroides recognita (Fernald & Griscom) Cronquist USA: Illinois [data not captured] H. A. Gleason 1902-8-9
GH: 02215134 Boltonia asteroides recognita (Fernald & Griscom) Cronquist USA: Illinois Urbana: [data not captured] H. A. Gleason
GH: 02172773 Cirsium altissimum (Linnaeus) Sprengel USA: Illinois [data not captured] H. A. Gleason 1678 1900-8-23
GH: 02020600 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: Illinois Champaign: [data not captured] H. A. Gleason 954 1899-9-10
GH: 02020931 Cirsium hallii (A. Gray) M. E. Jones USA: Illinois [data not captured] H. A. Gleason 1950-7
GH: 02216954 Conyza canadensis (Linnaeus) Cronquist USA: Illinois Urbana: [data not captured] H. A. Gleason 1898-9-24
GH: 02216952 Conyza canadensis (Linnaeus) Cronquist USA: Illinois [data not captured] H. A. Gleason 1900-8-17
GH: 02203201 Conyza ramosissima Cronquist USA: Illinois [data not captured] H. A. Gleason 1880-8-17
GH: 02203193 Conyza ramosissima Cronquist USA: Illinois [data not captured] H. A. Gleason 1902-7-3
GH: 02352536 Erigeron philadelphicus Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 1899-5-16
GH: 02352535 Erigeron philadelphicus Linnaeus USA: Illinois [data not captured] H. A. Gleason 1896-5-17
GH: 02352532 Erigeron philadelphicus Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 1899-6-16
GH: 02352528 Erigeron philadelphicus Linnaeus USA: Illinois [data not captured] H. A. Gleason 1897-5-8
GH: 02352930 Erigeron pulchellus Michaux USA: Missouri [data not captured] H. A. Gleason 1912-5-7
GH: 02352926 Erigeron pulchellus Michaux USA: Missouri [data not captured] H. A. Gleason 1902-5-7
GH: 02352891 Erigeron pulchellus Michaux USA: Illinois [data not captured] H. A. Gleason 1902-5-3
GH: 02352889 Erigeron pulchellus Michaux USA: Illinois [data not captured] H. A. Gleason 1908-5
GH: 02352888 Erigeron pulchellus Michaux USA: Illinois [data not captured] H. A. Gleason 1908-5
GH: 02352974 Erigeron pulchellus Michaux USA: Ohio [data not captured] H. A. Gleason 1905-5-20
GH: 02352972 Erigeron pulchellus Michaux USA: Ohio [data not captured] H. A. Gleason 1905-5-20
GH: 02352970 Erigeron pulchellus Michaux USA: Ohio [data not captured] H. A. Gleason 1905-5-20
GH: 02351744 Erigeron strigosus Muhlenberg ex Willdenow USA: Illinois [data not captured] H. A. Gleason 322 1896-5
GH: 02189935 Eupatorium perfoliatum Linnaeus USA: Ohio Columbus: Glenmary Park H. A. Gleason 1904-9-5
GH: 02190801 Eupatorium sessilifolium Linnaeus USA: Ohio Columbus: Big Darby Creek H. A. Gleason 1904-10-1
GH: 02203863 Heterotheca camporum (Greene) Shinners USA: Illinois [data not captured] H. A. Gleason 1903-8-17
GH: 01831922 Hieracium gronovii Linnaeus USA: Illinois [data not captured] H. A. Gleason 1672 1900-8-18
GH: 01831919 Hieracium gronovii Linnaeus USA: Illinois [data not captured] H. A. Gleason 2693 1902-7-24
GH: 01831917 Hieracium gronovii Linnaeus USA: Illinois [data not captured] H. A. Gleason 2692 1902-7-22
GH: 01832860 Hieracium scabrum Michaux USA: Illinois Urbana: [data not captured] H. A. Gleason 1962 1900-9
GH: 01833215 Hieracium venosum Linnaeus USA: Ohio [data not captured] H. A. Gleason 1905-5-20
GH: 01833514 Krigia biflora (Walter) S. F. Blake USA: Illinois [data not captured] H. A. Gleason 1907-6
GH: 01833512 Krigia biflora (Walter) S. F. Blake USA: Illinois [data not captured] H. A. Gleason 320 1896-5-23
GH: 01833507 Krigia biflora (Walter) S. F. Blake USA: Illinois [data not captured] H. A. Gleason 1903-6-11
GH: 01833505 Krigia biflora (Walter) S. F. Blake USA: Illinois [data not captured] H. A. Gleason 1907-7-5
GH: 01833541 Krigia biflora (Walter) S. F. Blake USA: Missouri [data not captured] H. A. Gleason 2691 1902-5-7
GH: 01833688 Krigia cespitosa (Rafinesque) K. L. Chambers USA: Missouri [data not captured] H. A. Gleason 1902-5-7
GH: 01833772 Krigia dandelion (Linnaeus) Nuttall USA: Illinois [data not captured] H. A. Gleason 2690 1902-5-5
GH: 01834302 Lactuca canadensis Linnaeus USA: Illinois [data not captured] H. A. Gleason 2698 1902-8-11
GH: 01834750 Lactuca saligna Linnaeus USA: Ohio [data not captured] H. A. Gleason 1904-9-5
GH: 01834798 Lactuca sativa Linnaeus USA: Illinois Champaign: [data not captured] H. A. Gleason 1900-7-31
GH: 01834883 Lactuca serriola Linnaeus USA: Illinois [data not captured] H. A. Gleason 1892 1900-7
GH: 00010318 Mikania gleasonii B. L. Robinson Guyana: Rockstone H. A. Gleason 681 1921-7-15
Betulaceae A: 02198493 Alnus incana rugosa (Du Roi) R. T. Clausen USA: Michigan Shore of Glen Lake H. A. Gleason 675 1933-7-22
A: 02193781 Betula pumila glandulifera Regel USA: Michigan [data not captured] H. A. Gleason 1933-8-16
GH: 02071117 Carpinus caroliniana Walter USA: Illinois [data not captured] H. A. Gleason 936 1899-9-23
GH: 02071116 Carpinus caroliniana Walter USA: Illinois [data not captured] H. A. Gleason 2289 1902-8-8
GH: 02071473 Carpinus caroliniana virginiana (Marshall) Furlow USA: Illinois [data not captured] H. A. Gleason 2288 1902-5-5
GH: 02071462 Carpinus caroliniana virginiana (Marshall) Furlow USA: Ohio Columbus: [data not captured] H. A. Gleason 1904-9-5
GH: 02071641 Corylus americana Walter USA: Illinois [data not captured] H. A. Gleason 1897-3-21
GH: 02103362 Ostrya virginiana (Miller) K. Koch USA: Illinois [data not captured] H. A. Gleason 1899-9-12
GH: 02103360 Ostrya virginiana (Miller) K. Koch USA: Illinois [data not captured] H. A. Gleason 1900-8-18
Boraginaceae GH: 02026203 Cynoglossum virginianum Linnaeus USA: Georgia Pine Hills H. A. Gleason 1902-5-6
Brassicaceae GH: 00992613 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: Michigan along the shore of Lake Michigan at Mackinaw... H. A. Gleason 63 1933-7-1
GH: 01181614 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Illinois [data not captured] H. A. Gleason 1904-8-17
GH: 01181630 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Missouri [data not captured] H. A. Gleason 1904-6-25
GH: 01181867 Boechera dentata (Rafinesque) Al-Shehbaz & Zarucchi USA: Illinois [data not captured] H. A. Gleason 546 1897-5-17
GH: 01181905 Boechera dentata (Rafinesque) Al-Shehbaz & Zarucchi USA: Ohio Columbus: O.S.U., Columbus H. A. Gleason 1905-5-9
GH: 00932939 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Illinois [data not captured] H. A. Gleason 1902-5-5
GH: 00932940 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Illinois Urbana: [data not captured] H. A. Gleason 2364 1904-6
GH: 00932941 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Illinois [data not captured] H. A. Gleason 2365 1900-5-23
GH: 00932943 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Illinois [data not captured] H. A. Gleason 2363 1902-5-3
GH: 00932944 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Illinois [data not captured] H. A. Gleason
GH: 00946027 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 00946684 Boechera patens (Sullivant) Al-Shehbaz USA: Missouri [data not captured] H. A. Gleason 1902-5-7
GH: 00944802 Brassica rapa Linnaeus USA: Missouri [data not captured] H. A. Gleason 2367 1902-5-7
GH: 01097863 Camelina microcarpa Andrzejowski ex de Candolle USA: Illinois [data not captured] H. A. Gleason 2906 1902-5-9
GH: 01098190 Capsella bursa-pastoris (Linnaeus) Medikus USA: Illinois Urbana: [data not captured] H. A. Gleason 1493 1900-4-28
GH: 01098849 Cardamine concatenata (Michaux) O. Schwarz USA: [data not captured] H. A. Gleason 258 1895-4-15
GH: 01098871 Cardamine concatenata (Michaux) O. Schwarz USA: Illinois Urbana: [data not captured] H. A. Gleason 1902-4-12
GH: 01098876 Cardamine concatenata (Michaux) O. Schwarz USA: Illinois [data not captured] H. A. Gleason 259 1897-4-15
GH: 01098932 Cardamine concatenata (Michaux) O. Schwarz USA: Missouri [data not captured] H. A. Gleason 2371 1902-5-7
GH: 01098986 Cardamine concatenata (Michaux) O. Schwarz USA: Ohio Gahanna H. A. Gleason 1905-4-22
GH: 01098991 Cardamine concatenata (Michaux) O. Schwarz USA: Ohio Columbus: Columbus H. A. Gleason 1905-4-15
GH: 00983448 Cardamine douglassii Britton USA: Iowa [data not captured] H. A. Gleason 257 1895-4-20
GH: 00983495 Cardamine douglassii Britton USA: Ohio Gahanna H. A. Gleason 1905-4-22
GH: 00983496 Cardamine douglassii Britton USA: Ohio Columbus: Columbus H. A. Gleason 1905-4-15
GH: 00999087 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: Illinois [data not captured] H. A. Gleason 1902-5-3
GH: 00999088 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: Illinois [data not captured] H. A. Gleason 1902-5-5
GH: 00999554 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 00999950 Cardamine rhomboidea (Persoon) de Candolle USA: Illinois Urbana: [data not captured] H. A. Gleason 525 1899-5-5
GH: 00999953 Cardamine rhomboidea (Persoon) de Candolle USA: Illinois [data not captured] H. A. Gleason 2369 1902-5-3
GH: 00986851 Descurainia pinnata brachycarpa (Richardson) Detling USA: Illinois [data not captured] H. A. Gleason 2379 1901-5
GH: 00986852 Descurainia pinnata brachycarpa (Richardson) Detling USA: Illinois [data not captured] H. A. Gleason 1902-5-5
GH: 00986853 Descurainia pinnata brachycarpa (Richardson) Detling USA: Illinois [data not captured] H. A. Gleason 1902-5-2
GH: 00986855 Descurainia pinnata brachycarpa (Richardson) Detling USA: Illinois [data not captured] H. A. Gleason 2380 1902-5-9
GH: 00986859 Descurainia pinnata brachycarpa (Richardson) Detling USA: Illinois [data not captured] H. A. Gleason 254 1897-5-4
GH: 00986860 Descurainia pinnata brachycarpa (Richardson) Detling USA: Illinois [data not captured] H. A. Gleason 1896-4-25
GH: 01103639 Draba brachycarpa Nuttall USA: Illinois [data not captured] H. A. Gleason 2372 1902-5-2
GH: 01561024 Draba reptans (Lamarck) Fernald USA: Illinois [data not captured] H. A. Gleason 2373 1902-5-2
GH: 01540827 Iodanthus pinnatifidus (Michaux) Steudel USA: Illinois [data not captured] H. A. Gleason 1896-5-30
GH: 01540832 Iodanthus pinnatifidus (Michaux) Steudel USA: Illinois [data not captured] H. A. Gleason 582 1899-6-16
GH: 01546905 Lepidium campestre (Linnaeus) W. T. Aiton USA: Illinois [data not captured] H. A. Gleason 534 1899-5-16
GH: 01693045 Rorippa sinuata (Nuttall) Hitchcock USA: Illinois Grand Tower H. A. Gleason 1902-5-2
Bromeliaceae GH: 02016286 Aechmea mertensii Schultes & Schultes f. Guyana: along Potaro River, Tumatumari H. A. Gleason 73 1921-7-8
Cactaceae GH: 01875622 Opuntia fragilis Nuttall USA: Illinois Hanover H. A. Gleason 1908-8-18
GH: 01875657 Opuntia humifusa (Rafinesque) Rafinesque USA: Illinois Grand Tower H. A. Gleason 1801 1900
GH: 01875658 Opuntia humifusa (Rafinesque) Rafinesque USA: Illinois Havana H. A. Gleason 1903-8
GH: 01875658 Opuntia rafinesquei Engelmann USA: Illinois Havana H. A. Gleason 1903-8
Caprifoliaceae GH: 02184534 Viburnum acerifolium Linnaeus USA: Ohio Newark: Newark H. A. Gleason 1905-5-6
GH: 02187809 Viburnum rufidulum Rafinesque USA: Illinois [data not captured] H. A. Gleason
GH: 02187808 Viburnum rufidulum Rafinesque USA: Illinois [data not captured] H. A. Gleason 2679
A: 02187807 Viburnum rufidulum Rafinesque USA: Illinois [data not captured] H. A. Gleason
Celastraceae GH: 00295397 Celastrus scandens Linnaeus USA: Illinois [data not captured] H. A. Gleason 1747 1900-8-23
GH: 01855011 Euonymus obovatus Nuttall USA: Ohio north of Columbus H. A. Gleason 1905-5-13
Chenopodiaceae GH: 01781910 Chenopodium album Linnaeus USA: Illinois Champaign: [data not captured] H. A. Gleason 1920 1900-7-26
GH: 01784051 Cycloloma atriplicifolium (Sprengel) J. M. Coulter USA: Illinois [data not captured] H. A. Gleason 1835 1900-8-25
GH: 01784049 Cycloloma atriplicifolium (Sprengel) J. M. Coulter USA: Illinois Urbana: [data not captured] H. A. Gleason 1902-9
Commelinaceae GH: 02073808 Commelina erecta Linnaeus USA: Illinois [data not captured] H. A. Gleason 1903-8-17
GH: 02073840 Commelina erecta Linnaeus USA: Illinois [data not captured] H. A. Gleason 1804 1900-8-28
GH: 02073838 Commelina erecta Linnaeus USA: Illinois [data not captured] H. A. Gleason 2254 1902-8-14
GH: 02073837 Commelina erecta Linnaeus USA: Illinois [data not captured] H. A. Gleason 1902-8-14
GH: 02073835 Commelina erecta Linnaeus USA: Illinois [data not captured] H. A. Gleason 1908-7-7
GH: 02113127 Commelina virginica Linnaeus USA: Illinois [data not captured] H. A. Gleason 2249 1902-8-11
GH: 02113799 Tradescantia ohiensis Rafinesque USA: Illinois [data not captured] H. A. Gleason 1907-7-5
GH: 02113794 Tradescantia ohiensis Rafinesque USA: Illinois [data not captured] H. A. Gleason 1902-5-6
GH: 02113969 Tradescantia subaspera Ker Gawler USA: Illinois [data not captured] H. A. Gleason 2255 1902-7-22
GH: 02113966 Tradescantia subaspera Ker Gawler USA: Illinois Champaign: [data not captured] H. A. Gleason 710 1899-6-30
GH: 02098069 Tradescantia tharpii E. S. Anderson & Woodson USA: Illinois [data not captured] H. A. Gleason 441 1895-5-11
GH: 02098068 Tradescantia tharpii E. S. Anderson & Woodson USA: Illinois [data not captured] H. A. Gleason 561 1899-5-18
GH: 02098064 Tradescantia tharpii E. S. Anderson & Woodson USA: Illinois [data not captured] H. A. Gleason 1902-5-6
GH: 02098063 Tradescantia tharpii E. S. Anderson & Woodson USA: Illinois [data not captured] H. A. Gleason 1907-6
Cornaceae GH: 01845676 Cornus florida Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
Crassulaceae GH: 01991805 Sedum pulchellum Michaux USA: Illinois Makanda H. A. Gleason 2384 1902-7-21
GH: 01990280 Sedum telephioides Michaux USA: Illinois [no additional data] H. A. Gleason 2385 1902-8-23
Cupressaceae GH: 02106699 Juniperus virginiana Linnaeus USA: Kentucky [data not captured] H. A. Gleason G 507 1939-9-11
GH: 02106767 Juniperus virginiana Linnaeus USA: Missouri [data not captured] H. A. Gleason 1778 1900-8-16
GH: 02107153 Juniperus virginiana crebra Fernald & Griscom USA: Illinois [data not captured] H. A. Gleason 1900-8-17
GH: 02107152 Juniperus virginiana crebra Fernald & Griscom USA: Illinois [data not captured] H. A. Gleason 1766 1900-8-18
A: 02107283 Thuja occidentalis Linnaeus USA: Michigan [data not captured] H. A. Gleason 657 1933-7-15
Cyperaceae GH: 02367110 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Illinois [data not captured] H. A. Gleason 1903-8-17
GH: 02367109 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Illinois [data not captured] H. A. Gleason 1903-8-14
GH: 02371779 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: Illinois Urbana: [data not captured] H. A. Gleason 1906-6-20
GH: 02578246 Carex atherodes Sprengel USA: Illinois Urbana: [data not captured] H. A. Gleason 1902-5-26
GH: 02394344 Carex conjuncta Boott USA: Illinois Urbana: [data not captured] H. A. Gleason 891 1899-7-8
GH: 02394217 Carex crus-corvi Shuttleworth USA: Illinois [data not captured] H. A. Gleason 694 1899-6-30
GH: 01775992 Carex frankii Kunth USA: Ohio Columbus: [data not captured] H. A. Gleason 1904-9-5
GH: 02578135 Carex frankii Kunth USA: Illinois [data not captured] H. A. Gleason 1902-8-8
GH: 02578138 Carex frankii Kunth USA: Illinois [data not captured] H. A. Gleason 2207 1902-7-24
GH: 02371301 Carex gravida L. H. Bailey USA: Illinois [data not captured] H. A. Gleason 1900-5-26
GH: 02371320 Carex gravida L. H. Bailey USA: Illinois Champaign: [data not captured] H. A. Gleason 1902-5-27
GH: 01772703 Carex grayi Carey USA: Illinois Urbana: [data not captured] H. A. Gleason 601 1899-6-22
GH: 01772580 Carex intumescens Rudge USA: Michigan [data not captured] H. A. Gleason 33 1933-6-29
GH: 02394152 Carex laevivaginata (Kükenthal) Mackenzie USA: Illinois Urbana: [data not captured] H. A. Gleason 1343 1899
GH: 01772219 Carex lupulina Muhlenberg ex Willdenow USA: Illinois Urbana: [data not captured] H. A. Gleason 578 1899-6-16
GH: 01773243 Carex lurida Wahlenberg USA: Ohio Columbus: [data not captured] H. A. Gleason 1904-9-5
GH: 02371028 Carex muehlenbergii Schkuhr ex Willdenow USA: Illinois [data not captured] H. A. Gleason 1908-6-26
GH: 02369865 Carex rosea Schkuhr ex Willdenow USA: Illinois Urbana: [data not captured] H. A. Gleason 1563 1900-5
GH: 02371519 Carex sparganioides Muhlenberg ex Willdenow USA: Illinois Urbana: [data not captured] H. A. Gleason 1053 1902-5
GH: 02371526 Carex sparganioides Muhlenberg ex Willdenow USA: Illinois Urbana: [data not captured] H. A. Gleason 2206 1900-5-30
GH: 02371522 Carex sparganioides Muhlenberg ex Willdenow USA: Illinois Urbana: [data not captured] H. A. Gleason 1053 1902-5
GH: 01775782 Carex squarrosa Linnaeus USA: Illinois [data not captured] H. A. Gleason 1061 1902-8-8
GH: 02395000 Carex vulpinoidea Michaux USA: Illinois [data not captured] H. A. Gleason 1903-6-16
Droseraceae GH: 01145227 Drosera rotundifolia Linnaeus USA: Ohio Buckeye Lake. H. A. Gleason 1904-10-26
Dysphaniaceae GH: 01784204 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: Illinois [data not captured] H. A. Gleason 2320 1901-8-13
GH: 01784411 Dysphania aristata (Linnaeus) Mosyakin & Clemants USA: Illinois [data not captured] H. A. Gleason 1901-8-13
GH: 01784411 Dysphania botrys (Linnaeus) Mosyakin & Clemants USA: Illinois [data not captured] H. A. Gleason 1901-8-13
Elaeocarpaceae GH: 00046162 Lecostomon sylvestre Gleason Guyana: Kangaruma-Potaro Landing H. A. Gleason 211 1921-6-25
Ericaceae GH: 01117208 Andromeda polifolia latifolia Aiton USA: Indiana Bluffton: [no additional data] H. A. Gleason 1904-9-1
A: 01117220 Andromeda polifolia latifolia Aiton USA: Michigan northern end of the Lower Peninsula; at Mud ... H. A. Gleason 666 1933-7-19
A: 01591096 Empetrum nigrum Linnaeus USA: Michigan southern shore of Lake Superior; Pictured Ro... H. A. Gleason 887 1933-8-16
A: 01592437 Gaylussacia baccata (Wangenheim) K. Koch USA: Michigan near Wycamp Lake H. A. Gleason 742 1933-7-29
GH: 01592449 Gaylussacia baccata (Wangenheim) K. Koch USA: Missouri Tower Rock H. A. Gleason 2543 1902-5-7
GH: 01592536 Gaylussacia baccata (Wangenheim) K. Koch USA: Ohio north of Columbus, Ohio. H. A. Gleason 1905-5-13
GH: 01594065 Kalmia latifolia Linnaeus USA: Tennessee Lookout Mt. H. A. Gleason 1903-7
GH: 01719476 Monotropa uniflora Linnaeus USA: Illinois Mahomet H. A. Gleason 1899-9-23
GH: 01719536 Monotropa uniflora Linnaeus USA: Ohio Columbus: Glenmary Park, Columbus H. A. Gleason 1904-9-5
GH: 01682858 Oxydendrum arboreum (Linnaeus) de Candolle USA: Tennessee [data not captured] H. A. Gleason 1903-7
A: 01682863 Oxydendrum arboreum (Linnaeus) de Candolle USA: Tennessee [data not captured] H. A. Gleason 1903-7
GH: 01761364 Pyrola elliptica Nuttall USA: Illinois [data not captured] H. A. Gleason 1908-6-26
GH: 01762620 Rhododendron calendulaceum (Michaux) Torrey USA: Ohio [data not captured] H. A. Gleason 1905-5-20
A: 01762621 Rhododendron calendulaceum (Michaux) Torrey USA: Ohio [data not captured] H. A. Gleason 1905-5-20
GH: 01762909 Rhododendron canescens (Michaux) Sweet USA: Illinois [data not captured] H. A. Gleason 1902-5-5
GH: 01762910 Rhododendron canescens (Michaux) Sweet USA: Illinois [data not captured] H. A. Gleason 2542 1902-5-6
GH: 01762911 Rhododendron canescens (Michaux) Sweet USA: Illinois [data not captured] H. A. Gleason 1902-5-6
A: 01764891 Rhododendron prinophyllum (Small) Millais USA: Georgia [data not captured] H. A. Gleason 1902-5-6
Euphorbiaceae GH: 00047384 Croton potaroensis Lanjouw Guyana: Bank of the Potaro River, Tumatumari H. A. Gleason 329 1921-7-4
Fabaceae GH: 02148076 Hylodesmum nudiflorum (Linnaeus) H. Ohashi & R. R. Mill USA: Ohio Columbus: Glenmary. H. A. Gleason 1904-9-5
GH: 01539502 Kummerowia striata (Thunberg) Schindler USA: Illinois [data not captured] H. A. Gleason 1791 1900-8-18
GH: 00065832 Lespedeza capitata Michaux USA: Illinois Havana: H. A. Gleason 1903-8
GH: 00065832 Lespedeza capitata stenophylla Bissell & Fernald USA: Illinois Havana: H. A. Gleason 1903-8
GH: 00065832 Lespedeza capitata velutina (E. P. Bicknell) Fernald USA: Illinois Havana: H. A. Gleason 1903-8
GH: 00065832 Lespedeza capitata argentea Fernald USA: Illinois Havana: H. A. Gleason 1903-8
GH: 02087010 Lespedeza frutescens (Linnaeus) Hornemann USA: Ohio Columbus: Big Darby Creek H. A. Gleason 1904-10-1
GH: 00565361 Lupinus perennis Linnaeus USA: Massachusetts Plymouth: Plymouth H. A. Gleason 1340 1888
GH: 02177775 Lupinus perennis Linnaeus USA: Illinois [data not captured] H. A. Gleason 1908-6-26
GH: 02129804 Medicago lupulina glandulosa Neilreich USA: Illinois Champaign: [data not captured] H. A. Gleason 63 1898-10-3
GH: 02129973 Medicago sativa Linnaeus USA: Illinois [data not captured] H. A. Gleason 1903-6-22
GH: 02130116 Melilotus albus Medikus USA: Illinois Champaign: [data not captured] H. A. Gleason 1935 1900-7-26
GH: 02130113 Melilotus albus Medikus USA: Illinois [data not captured] H. A. Gleason 1908-5-24
GH: 02130580 Orbexilum onobrychis (Nuttall) Rydberg USA: Missouri [data not captured] H. A. Gleason 1904-6-25
GH: 02130569 Orbexilum onobrychis (Nuttall) Rydberg USA: Illinois [data not captured] H. A. Gleason 1896-6-3
GH: 02130566 Orbexilum onobrychis (Nuttall) Rydberg USA: Illinois [data not captured] H. A. Gleason 826 1899-8-31
GH: 02130640 Orbexilum pedunculatum Rydberg USA: Illinois [data not captured] H. A. Gleason 1903-6-11
GH: 02133317 Phaseolus polystachius Michaux USA: Illinois [data not captured] H. A. Gleason 1768 1900-8-18
GH: 02133316 Phaseolus polystachius Michaux USA: Illinois [data not captured] H. A. Gleason 2435 1902-7-22
GH: 02133775 Psoralidium tenuiflorum (Pursh) Rydberg USA: Illinois [data not captured] H. A. Gleason 1902-6
GH: 02134986 Robinia pseudoacacia Linnaeus USA: Illinois [data not captured] H. A. Gleason 207 1896-5-10
GH: 02134985 Robinia pseudoacacia Linnaeus USA: Illinois [data not captured] H. A. Gleason 1908-6-29
A: 02135039 Robinia pseudoacacia Linnaeus USA: Michigan [data not captured] H. A. Gleason 677 1933-7-22
A: 02135201 Robinia viscosa Ventenat USA: Michigan [data not captured] H. A. Gleason 797 1933-8-7
GH: 02136137 Strophostyles helvola (Linnaeus) Elliott USA: Illinois [data not captured] H. A. Gleason 913 1899-9-12
GH: 02136128 Strophostyles helvola (Linnaeus) Elliott USA: Illinois [data not captured] H. A. Gleason 1762 1900-8-17
GH: 02136127 Strophostyles helvola (Linnaeus) Elliott USA: Illinois [data not captured] H. A. Gleason 1717 1900-8-20
GH: 02136299 Strophostyles leiosperma (Torrey & A. Gray) Piper USA: Illinois [data not captured] H. A. Gleason 1903-8-12
GH: 02136439 Strophostyles umbellata (Muhlenberg ex Willdenow) Britton USA: Illinois [data not captured] H. A. Gleason 2440 1902-7-18
GH: 02136438 Strophostyles umbellata (Muhlenberg ex Willdenow) Britton USA: Illinois [data not captured] H. A. Gleason 2439 1902-8-16
GH: 02136584 Stylosanthes biflora Britton, Stearn & Poggenburg USA: Illinois [data not captured] H. A. Gleason 2903 1902-8-23
GH: 02136825 Stylosanthes riparia Kearney USA: Illinois [data not captured] H. A. Gleason 1902-7-5
GH: 02137523 Tephrosia virginiana (Linnaeus) Persoon USA: Illinois [data not captured] H. A. Gleason 1903-8-12
GH: 02137522 Tephrosia virginiana (Linnaeus) Persoon USA: Illinois [data not captured] H. A. Gleason 1903-6-12
GH: 02137520 Tephrosia virginiana (Linnaeus) Persoon USA: Illinois [data not captured] H. A. Gleason 1902-7-31
GH: 02137517 Tephrosia virginiana (Linnaeus) Persoon USA: Illinois [data not captured] H. A. Gleason 1904-8-20
GH: 02137516 Tephrosia virginiana (Linnaeus) Persoon USA: Illinois [data not captured] H. A. Gleason 1902-7-22
GH: 02342384 Trifolium campestre Schreber USA: Illinois [data not captured] H. A. Gleason 1903-6-11
GH: 02343156 Trifolium hybridum Linnaeus USA: Illinois Champaign: [data not captured] H. A. Gleason 1902-5-27
GH: 02343892 Trifolium pratense Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 46 1898-9-24
GH: 02344030 Trifolium reflexum Linnaeus USA: Illinois [data not captured] H. A. Gleason 1903-6-13
GH: 02344181 Trifolium repens Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 129 1898-10-6
Geraniaceae GH: 01864654 Geranium maculatum Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
Juncaceae GH: 02098761 Juncus alpinoarticulatus americanus (Farwell) Hämet-Ahti USA: Illinois [data not captured] H. A. Gleason 1265 1860-8-3
GH: 02100019 Juncus brachycephalus (Engelmann) Buchenau USA: Illinois [data not captured] H. A. Gleason 1267
GH: 02401601 Juncus greenei Oakes & Tuckerman USA: Illinois [data not captured] H. A. Gleason 1908-6-26
GH: 02401726 Juncus interior Wiegand USA: Illinois Champaign: [data not captured] H. A. Gleason 1902-5-27
GH: 02398946 Juncus tenuis Willdenow USA: Illinois [data not captured] H. A. Gleason 1908-6-26
GH: 02398945 Juncus tenuis Willdenow USA: Illinois [data not captured] H. A. Gleason 1899-7-5
GH: 02398943 Juncus tenuis Willdenow USA: Illinois [data not captured] H. A. Gleason 2260 1912-7-18
GH: 02398941 Juncus tenuis Willdenow USA: Illinois Urbana: [data not captured] H. A. Gleason 604 1899-6-22
GH: 02397389 Juncus torreyi Coville USA: Illinois Urbana: [data not captured] H. A. Gleason 61 1898-10-3
GH: 02397388 Juncus torreyi Coville USA: Illinois [data not captured] H. A. Gleason 1680 1900-8-25
GH: 02397387 Juncus torreyi Coville USA: Illinois Champaign: [data not captured] H. A. Gleason 1907 1900-7-31
GH: 02117269 Luzula echinata (Small) F. J. Hermann USA: Missouri [data not captured] H. A. Gleason 1902-5-7
GH: 02117312 Luzula echinata (Small) F. J. Hermann USA: Ohio Newark: [data not captured] H. A. Gleason 1905-5-6
GH: 02117733 Luzula multiflora (Ehrhart) Lejeune USA: Illinois [data not captured] H. A. Gleason 1903-6-16
GH: 02117774 Luzula multiflora (Ehrhart) Lejeune USA: Ohio [data not captured] H. A. Gleason 1905-4-22
GH: 02117773 Luzula multiflora (Ehrhart) Lejeune USA: Ohio [data not captured] H. A. Gleason 1905-5-20
Lamiaceae GH: 00001296 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Illinois Havana: Wet sandy prairies H. A. Gleason 1903-8-15
GH: 00001296 Lycopus americanus scabrifolius Fernald USA: Illinois Havana: Wet sandy prairies H. A. Gleason 1903-8-15
GH: 01552904 Lycopus uniflorus Michaux USA: Ohio Columbus: Glenmary Park H. A. Gleason 1904-9-5
GH: 01600791 Monarda didyma Linnaeus USA: New York New York H. A. Gleason 1194
GH: 02502550 Monarda punctata villicaulis (Pennell) Shinners USA: Illinois Havana: [no additional data] H. A. Gleason 1903-8-13
GH: 02502544 Monarda punctata villicaulis (Pennell) Shinners USA: Illinois Havana: [no additional data] H. A. Gleason 1904-8-18
GH: 01698366 Scutellaria incana Biehler USA: Ohio Columbus: Big Darby Creek H. A. Gleason 1905-10-1
GH: 01698066 Scutellaria lateriflora Linnaeus USA: Ohio Columbus: Glenmary H. A. Gleason 1904-9-5
Lentibulariaceae GH: 01976614 Utricularia Guyana: East of Rockstone. British Guiana. H. A. Gleason 783 1921-7-22
GH: 01976459 Utricularia calycifida Benjamin Guyana: East of Rockstone. H. A. Gleason 739 1921-7-22
GH: 01976614 Utricularia triloba Benjamin Guyana: East of Rockstone. British Guiana. H. A. Gleason 783 1921-7-22
Limnanthaceae GH: 01181171 Floerkea proserpinacoides Willdenow USA: Ohio north of Columbus H. A. Gleason 1905-5-13
Lindsaeaceae GH: 02269162 Lindsaea guianensis (Aublet) Dryander Guyana: H. A. Gleason 229 1921-6-25
Lissocarpaceae GH: 00061189 Lissocarpa guianensis Gleason Guyana: Butukari, dense upland forest H. A. Gleason 724 1921
Lobeliaceae GH: 01798241 Lobelia inflata Linnaeus USA: Ohio Columbus: Glenmary. H. A. Gleason 1904-9-5
GH: 01799019 Lobelia siphilitica Linnaeus USA: Ohio Columbus: Glenmary. H. A. Gleason 1904-9-5
Lycopodiaceae GH: 02361413 Diphasiastrum habereri (House) Holub USA: Ohio [data not captured] H. A. Gleason 1905-5-20
GH: 02077276 Huperzia porophila (F. E. Lloyd & Underwood) Holub USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
Malpighiaceae GH: 00254131 Hiraea Jacquin Guyana: Bank of the Potaro River, Tumatumari H. A. Gleason 396 1921-7-4
Melastomataceae GH: 00072356 Leandra purpurea Gleason Guyana: Tumatumari, dense upland forest H. A. Gleason 89 1921-7-8
GH: 00072861 Miconia plumosa Gleason Guyana: Dry sandhills, east of Rockstone H. A. Gleason 901 1921-7-22
Meliaceae GH: 00044857 Guarea concinna Sandwith Guyana: Tumatumari H. A. Gleason 443 1921-7
GH: 00044857 Guarea pubescens pubescens Guyana: Tumatumari H. A. Gleason 443 1921-7
Menispermaceae GH: 00038836 Abuta bullata Moldenke Guyana: Bank of the Potaro River, Tumatumari H. A. Gleason 358 1921-7-4
Moraceae GH: 00312453 Ficus maxima Miller Guyana: Bank of the Essequibo River, Rockstone H. A. Gleason 900 1921-7-31
Musaceae GH: 00030598 Bihai sylvestris Gleason Guyana: Dense upland forest, Tumatumari H. A. Gleason 105 1921-7
GH: 00030598 Heliconia psittacorum Linnaeus f. Guyana: Dense upland forest, Tumatumari H. A. Gleason 105 1921-7
Myrsinaceae GH: 00518552 Conomorpha sp. Guyana: Tumatumari H. A. Gleason 159 1921-7-18
GH: 00518552 Cybianthus brownii Gleason Guyana: Tumatumari H. A. Gleason 159 1921-7-18
GH: 00139910 Cybianthus grandifolius (Mez) G. Agostini Guyana: Kangaruma - Potaro Landing H. A. Gleason 271 1921-6-25
GH: 00518552 Cybianthus venezuelanus Mez Guyana: Tumatumari H. A. Gleason 159 1921-7-18
GH: 00139910 Weigeltia sylvatica Gleason Guyana: Kangaruma - Potaro Landing H. A. Gleason 271 1921-6-25
Myrtaceae GH: 00069917 Marlierea gleasonii McVaugh Guyana: Tumatumari, dense upland forest H. A. Gleason 171 1921-7
Onagraceae GH: 01674750 Circaea canadensis canadensis (Linnaeus) Hill USA: Ohio Columbus: Glenmary H. A. Gleason 1904-9-5
GH: 01780163 Ludwigia palustris (Linnaeus) Elliott USA: Ohio Columbus: Glenmary. H. A. Gleason 1904-9-5
Orchidaceae GH: 02154446 Brassavola martiana Lindley Guyana: Bank of the Potaro River, Tumatumari H. A. Gleason 316 1921-7-4
GH: 01937536 Cypripedium acaule Aiton USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
AMES: 01937539 Cypripedium acaule Aiton USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
GH: 01937672 Cypripedium candidum Muhlenberg ex Willdenow USA: Illinois Forsythe H. A. Gleason 418 1896-5-9
GH: 02288624 Cyrtopodium andersonii (Lambert ex Andrews) R. Brown Guyana: East of Rockstone H. A. Gleason 740 1921-7-20
AMES: 02288625 Cyrtopodium andersonii (Lambert ex Andrews) R. Brown Guyana: East of Rockstone H. A. Gleason 806 1921-7-22
GH: 02288628 Cyrtopodium andersonii (Lambert ex Andrews) R. Brown Guyana: East of Rockstone H. A. Gleason 740 1921-7-22
AMES: 02288676 Cyrtopodium andersonii (Lambert ex Andrews) R. Brown Guyana: East of Rockstone H. A. Gleason 740 1921-7-22
GH: 02288678 Cyrtopodium andersonii (Lambert ex Andrews) R. Brown Guyana: East of Rockstone H. A. Gleason 740 1921-7-22
AMES: 02288693 Cyrtopodium andersonii (Lambert ex Andrews) R. Brown Guyana: East of Rockstone H. A. Gleason 806 1921-7-22
GH: 01946233 Habenaria rodeiensis Barbosa Rodrigues Guyana: Dry Sandhills, East of Rockstone. H. A. Gleason 781 1921-7-22
GH: 02028960 Liparis liliifolia (Linnaeus) Richard ex Lindley USA: Illinois [no additional data] H. A. Gleason 1288
GH: 02124623 Prosthechea roraimensis V. P. Castro & M. A. Campacci Guyana: Tumatumari H. A. Gleason 305 1921-6-18
AMES: 02124617 Prosthechea roraimensis V. P. Castro & M. A. Campacci Guyana: Tumatumari H. A. Gleason 305 1921-6-18
GH: 02124623 Prosthechea vespa (Vellozo) W. E. Higgins Guyana: Tumatumari H. A. Gleason 305 1921-6-18
AMES: 02124617 Prosthechea vespa (Vellozo) W. E. Higgins Guyana: Tumatumari H. A. Gleason 305 1921-6-18
AMES: 02051626 Triphora trianthophora (Swartz) Rydberg USA: Illinois Urbana: [no additional data] H. A. Gleason 1902-9
AMES: 02158545 Vanilla wrightii H. G. Reichenbach Guyana: Lowland Forest, Rockstone H. A. Gleason 526 1921-7-13
Orobanchaceae GH: 01880429 Epifagus virginiana (Linnaeus) W. P. C. Barton USA: Ohio Columbus: Glenmary. Columbus H. A. Gleason 1904-9-5
GH: 00311483 Orobanche ludoviciana Nuttall USA: Illinois H. A. Gleason 1909
GH: 00311484 Orobanche ludoviciana Nuttall USA: Illinois H. A. Gleason
GH: 00311483 Orobanche ludoviciana genuina Beck USA: Illinois H. A. Gleason 1909
GH: 00311484 Orobanche ludoviciana genuina Beck USA: Illinois H. A. Gleason
GH: 00311483 Orobanche riparia L. T. Collins USA: Illinois H. A. Gleason 1909
GH: 00311484 Orobanche riparia L. T. Collins USA: Illinois H. A. Gleason
GH: 02080129 Pedicularis canadensis Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
Oxalidaceae GH: 01856050 Oxalis stricta Linnaeus USA: Ohio Glenmary Park, north of Columbus H. A. Gleason 1904-9-5
Papaveraceae GH: 01856731 Chelidonium majus Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 01739491 Dicentra cucullaria (Linnaeus) Bernhardi USA: Ohio Columbus: Columbus H. A. Gleason 1905-4-15
GH: 01857961 Sanguinaria canadensis Linnaeus USA: Ohio Columbus: Columbus H. A. Gleason 1905-4-15
Passifloraceae GH: 00068035 Passiflora capparidifolia Killip Guyana: Bank of the Potero River, Tumatumari H. A. Gleason 328 1921-7-4
GH: 00247791 Passiflora lutea Linnaeus USA: Illinois "Cache gorge." Vienna H. A. Gleason 2507 1902-8-12
Phrymaceae GH: 01843418 Phryma leptostachya Linnaeus USA: Ohio Columbus: Glenmary. H. A. Gleason 1904-9-4
Phyllanthaceae GH: 01971438 Phyllanthopsis phyllanthoides Vorontsova & Petra Hoffmann USA: Illinois Metropolis H. A. Gleason 1902-8-15
GH: 01971438 Phyllanthus carolinensis Walter USA: Illinois Metropolis H. A. Gleason 1902-8-15
Pinaceae GH: 01113695 Tsuga canadensis (Linnaeus) Carrière USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
Piperaceae GH: 01983209 Lepianthes peltata (Linnaeus) Rafinesque ex R. A. Howard Guyana: Indian clearing, Kangaruma H. A. Gleason 196 1921-6-25
GH: 01982352 Peperomia macrostachyos (Vahl) A. Dietrich Guyana: East of Rockstone H. A. Gleason 810 1921-7-22
GH: 01982353 Peperomia macrostachyos (Vahl) A. Dietrich Guyana: Pomeroon-Supenaam Pomeroon River H. A. Gleason 2909 1923-1-14
GH: 01964313 Piper aduncum Linnaeus Guyana: along Potaro River, Tumatumari H. A. Gleason 74 1921-6-18
GH: 01964314 Piper aduncum Linnaeus Guyana: Indian Clearing, Kangaruma H. A. Gleason 192 1921-6-25
GH: 01964589 Piper arboreum Aublet Guyana: Tumatumari H. A. Gleason 300 1921-6-18
GH: 01933051 Piper cyrtopodon C. de Candolle Guyana: Tumatumari H. A. Gleason 299 1921-6-18
GH: 01933079 Piper demeraranum (Miquel) C. de Candolle Guyana: Rockstone H. A. Gleason 579 1921-7-15
GH: 00005719 Piper gleasonii Yuncker Guyana: Rockstone H. A. Gleason 857 1921-8
GH: 01933498 Piper hostmannianum (Miquel) C. de Candolle Guyana: Rockstone H. A. Gleason 529 1921-7-13
GH: 01933497 Piper hostmannianum (Miquel) C. de Candolle Guyana: along Potaro River, Tumatumari H. A. Gleason 75 1921-6-18
GH: 01933463 Piper hostmannianum (Miquel) C. de Candolle Guyana: Butukari H. A. Gleason 707 1921-7-20
GH: 01933461 Piper hostmannianum (Miquel) C. de Candolle Guyana: Rockstone H. A. Gleason 662 1921-7-15
GH: 01933473 Piper hostmannianum ramiflorum C. de Candolle Guyana: East of Rockstone H. A. Gleason 766 1921-7-22
GH: 00005836 Piper rupununianum Trelease & Yuncker Guyana: Tumatumari H. A. Gleason 107 1921-7
GH: 00005868 Piper submelanostictum amelanostictum Yuncker Guyana: Rockstone H. A. Gleason 566 1921-8
Plantaginaceae GH: 01046510 Bacopa rotundifolia (Michaux) Wettstein USA: Illinois [data not captured] H. A. Gleason 1752 1900-8-20
GH: 01046608 Besseya bullii (Eaton) Rydberg USA: Illinois [data not captured] H. A. Gleason 1908-6-26
GH: 01999141 Collinsia verna Nuttall USA: Illinois [data not captured] H. A. Gleason 1895-4-27
GH: 01999135 Collinsia verna Nuttall USA: Illinois [data not captured] H. A. Gleason 1897-5-10
GH: 02000748 Leucospora multifida (Michaux) Nuttall USA: Illinois [data not captured] H. A. Gleason 1896-9-2
GH: 02000747 Leucospora multifida (Michaux) Nuttall USA: Illinois [data not captured] H. A. Gleason 1754 1900-8-20
GH: 02118013 Penstemon calycosus Small USA: Illinois Urbana: [data not captured] H. A. Gleason 1906-6-27
GH: 02118012 Penstemon calycosus Small USA: Illinois Urbana: [data not captured] H. A. Gleason 588 1899-6-16
GH: 02118011 Penstemon calycosus Small USA: Illinois [data not captured] H. A. Gleason 1896-5-22
GH: 02118010 Penstemon calycosus Small USA: Illinois [data not captured] H. A. Gleason 1903-6-11
GH: 02118008 Penstemon calycosus Small USA: Illinois Urbana: [data not captured] H. A. Gleason 1906-6-27
GH: 02118999 Penstemon digitalis Nuttall ex Sims USA: Illinois [data not captured] H. A. Gleason 2647 1902-7-3
GH: 02118998 Penstemon digitalis Nuttall ex Sims USA: Illinois [data not captured] H. A. Gleason 1671 1900-8-18
GH: 02120047 Penstemon grandiflorus Nuttall USA: Illinois [data not captured] H. A. Gleason 1908-7-7
GH: 02121413 Penstemon pallidus Small USA: Illinois [data not captured] H. A. Gleason 2645 1902-5-6
GH: 02121444 Penstemon pallidus Small USA: Missouri [data not captured] H. A. Gleason 1904-6-25
GH: 02121440 Penstemon pallidus Small USA: Missouri [data not captured] H. A. Gleason 2646 1902-5-7
GH: 01801757 Plantago aristata Michaux USA: Illinois Champaign: [data not captured] H. A. Gleason 1900-7-26
GH: 01801755 Plantago aristata Michaux USA: Illinois Champaign: [data not captured] H. A. Gleason 2658 1901-6
GH: 01801754 Plantago aristata Michaux USA: Illinois Champaign: [data not captured] H. A. Gleason 1900-7
GH: 01801753 Plantago aristata Michaux USA: Illinois [data not captured] H. A. Gleason 163 1898-8
GH: 01801749 Plantago aristata Michaux USA: Illinois [data not captured] H. A. Gleason 2657 1902-7-3
GH: 01801745 Plantago aristata Michaux USA: Illinois [data not captured] H. A. Gleason 1903-6-12
GH: 01801744 Plantago aristata Michaux USA: Illinois [data not captured] H. A. Gleason 1903-6-12
GH: 01801743 Plantago aristata Michaux USA: Illinois [data not captured] H. A. Gleason 1903-6-12
GH: 01802841 Plantago major Linnaeus USA: Illinois Champaign: [data not captured] H. A. Gleason 1939 1900-7-31
GH: 01803805 Plantago pusilla Nuttall USA: Missouri [data not captured] H. A. Gleason 2659 1902-5-7
GH: 01803797 Plantago pusilla Nuttall USA: Missouri [data not captured] H. A. Gleason 1902-5-7
GH: 01803932 Plantago rugelii Decaisne USA: Illinois [data not captured] H. A. Gleason 1824 1900-8-17
GH: 01803926 Plantago rugelii Decaisne USA: Illinois Urbana: [data not captured] H. A. Gleason 55 1898-9-28
GH: 01804124 Plantago virginica Linnaeus USA: Illinois [data not captured] H. A. Gleason 1902-5-3
GH: 01804123 Plantago virginica Linnaeus USA: Illinois [data not captured] H. A. Gleason 2660 1902-5-3
GH: 01804120 Plantago virginica Linnaeus USA: Illinois [data not captured] H. A. Gleason 2662 1902-5-5
GH: 01804119 Plantago virginica Linnaeus USA: Illinois [data not captured] H. A. Gleason 2661 1902-5-2
GH: 01804171 Plantago virginica Linnaeus USA: Missouri [data not captured] H. A. Gleason 1904-6-25
GH: 01805225 Veronica anagallis-aquatica Linnaeus USA: Illinois [data not captured] H. A. Gleason 1907-7-5
GH: 01805437 Veronica arvensis Linnaeus USA: Illinois [data not captured] H. A. Gleason 2650 1902-5-2
GH: 01805436 Veronica arvensis Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 557 1899-5-27
GH: 01805580 Veronica catenata Pennell USA: Illinois [data not captured] H. A. Gleason 1907-10-5
GH: 01805978 Veronica peregrina Linnaeus USA: Illinois Champaign: [data not captured] H. A. Gleason 523 1899-5-2
GH: 01811170 Veronica peregrina xalapensis (Kunth) Pennell USA: Illinois [data not captured] H. A. Gleason 2651 1902-5-2
GH: 01811728 Veronica serpyllifolia Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 550 1899-5-5
GH: 01812621 Veronicastrum virginicum (Linnaeus) Farwell USA: Illinois [data not captured] H. A. Gleason 1903-8-15
GH: 01812618 Veronicastrum virginicum (Linnaeus) Farwell USA: Illinois [data not captured] H. A. Gleason 2641 1902-7-31
GH: 01812616 Veronicastrum virginicum (Linnaeus) Farwell USA: Illinois Champaign: [data not captured] H. A. Gleason 1923 1900-7-27
GH: 01812615 Veronicastrum virginicum (Linnaeus) Farwell USA: Illinois [data not captured] H. A. Gleason 1812 1900-8-28
Poaceae GH: 01653877 Andropogon gerardi Vitman USA: Illinois [data not captured] H. A. Gleason 1907-10-5
GH: 01653879 Andropogon gerardi Vitman USA: Illinois [data not captured] H. A. Gleason 2143 1902-7-22
GH: 00023596 Echinochloa muricata occidentalis Wiegand USA: Illinois Grand Tower H. A. Gleason 1720 1900-8-22
GH: 01814795 Sorghastrum nutans (Linnaeus) Nash USA: Illinois [data not captured] H. A. Gleason 1907-10-5
GH: 01814792 Sorghastrum nutans (Linnaeus) Nash USA: Illinois Champaign: [data not captured] H. A. Gleason 1898-9-29
Polemoniaceae GH: 01571780 Phlox divaricata Linnaeus USA: Ohio Lithopolis H. A. Gleason 1905-4-29
Polygonaceae GH: 02347996 Antenoron virginianum (Linnaeus) Roberty & Vautier USA: Illinois [data not captured] H. A. Gleason 1708 1900-8-23
GH: 02347991 Antenoron virginianum (Linnaeus) Roberty & Vautier USA: Illinois [data not captured] H. A. Gleason 823 1899-8-30
GH: 02365070 Fagopyrum esculentum Moench USA: Illinois Champaign: [data not captured] H. A. Gleason 1899-5-13
GH: 02365355 Fallopia convolvulus (Linnaeus) Á. Löve USA: Illinois Champaign: [data not captured] H. A. Gleason 1918 1900-7-26
GH: 02365354 Fallopia convolvulus (Linnaeus) Á. Löve USA: Illinois Champaign: [data not captured] H. A. Gleason 896 1899-7-6
GH: 02365465 Fallopia cristata (Engelmann & A. Gray) Holub USA: Illinois [data not captured] H. A. Gleason 1903-8-17
GH: 02365537 Fallopia scandens (Linnaeus) Holub USA: Illinois Urbana: [data not captured] H. A. Gleason 40 1898-9-26
GH: 02364724 Persicaria coccinea (Muhlenberg ex Willdenow) Greene USA: Illinois [data not captured] H. A. Gleason 1903-8-12
GH: 02363056 Persicaria hydropiper (Linnaeus) Spach USA: Illinois [data not captured] H. A. Gleason 1903-6-12
GH: 02363758 Persicaria lapathifolia (Linnaeus) Delarbre USA: Illinois [data not captured] H. A. Gleason 1721 1900-8-22
GH: 02362191 Persicaria maculosa Gray USA: Illinois Urbana: [data not captured] H. A. Gleason 45 1898-9-28
GH: 02362418 Persicaria pensylvanica (Linnaeus) M. Gomez USA: Illinois Champaign: [data not captured] H. A. Gleason 691 1899-6-25
GH: 02362417 Persicaria pensylvanica (Linnaeus) M. Gomez USA: Illinois Urbana: [data not captured] H. A. Gleason 21 1898-9-26
GH: 02362763 Persicaria punctata (Elliott) Small USA: Illinois [data not captured] H. A. Gleason 923 1899-9-12
GH: 02362759 Persicaria punctata (Elliott) Small USA: Illinois Urbana: [data not captured] H. A. Gleason 125 1898-10-6
GH: 02362833 Persicaria punctata (Elliott) Small USA: Missouri Saint Louis (Missouri): [data not captured] H. A. Gleason 1904-8
GH: 02361166 Persicaria sagittata (Linnaeus) H. Gross USA: Ohio Columbus: [data not captured] H. A. Gleason 1904-9-5
GH: 02007599 Polygonum ramosissimum Michaux USA: Illinois Urbana: [data not captured] H. A. Gleason 1972 1950-9-4
GH: 02007907 Polygonum tenue Michaux USA: Illinois [data not captured] H. A. Gleason 1903-8-12
GH: 02007905 Polygonum tenue Michaux USA: Illinois [data not captured] H. A. Gleason 2308 1902-8-23
GH: 02006276 Rumex acetosella Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 541 1899-5-16
GH: 02006275 Rumex acetosella Linnaeus USA: Illinois [data not captured] H. A. Gleason 1903-6
GH: 02006274 Rumex acetosella Linnaeus USA: Illinois [data not captured] H. A. Gleason 1908-5-24
GH: 02006308 Rumex acetosella Linnaeus USA: Missouri Saint Louis (Missouri): [data not captured] H. A. Gleason 1904-8
GH: 02006307 Rumex acetosella Linnaeus USA: Missouri [data not captured] H. A. Gleason 2309 1902-5-7
GH: 02006451 Rumex altissimus Alph. Wood USA: Illinois [data not captured] H. A. Gleason 1907-7-5
GH: 02005496 Rumex maritimus fueginus (Philippi) Dusén USA: Illinois [data not captured] H. A. Gleason 1826 1900-8-25
Potamogetonaceae GH: 01572440 Potamogeton friesii Ruprecht USA: Michigan [data not captured] H. A. Gleason 1935-8-3
GH: 01688144 Potamogeton haynesii Hellquist & G. E. Crow USA: Michigan Black Lake H. A. Gleason 1935-8-3
GH: 01688311 Potamogeton illinoensis Morong USA: Michigan Black Lake H. A. Gleason 1935-8-3
GH: 01688312 Potamogeton illinoensis Morong USA: Michigan Black Lake H. A. Gleason 1935-8-3
GH: 01695672 Potamogeton pusillus Linnaeus USA: Michigan Black Lake H. A. Gleason 1935-8-3
Ranunculaceae GH: 01720765 Actaea pachypoda Elliott USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 01708320 Anemone quinquefolia Linnaeus USA: Ohio Gahanna H. A. Gleason 1905-4-22
GH: 01709264 Aquilegia canadensis Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 00038210 Delphinium carolinianum Walter USA: Illinois Milroy H. A. Gleason 1908-7-7
GH: 00038210 Delphinium carolinianum crispum L. M. Perry USA: Illinois Milroy H. A. Gleason 1908-7-7
GH: 01661430 Hepatica americana (de Candolle) Ker Gawler USA: Ohio Columbus: Columbus H. A. Gleason 1905-4-15
GH: 01662127 Ranunculus abortivus Linnaeus USA: Ohio Lithopolis H. A. Gleason 1905-4-29
GH: 01836153 Ranunculus micranthus Nuttall ex Torrey & A. Gray USA: Ohio Gahanna H. A. Gleason 1905-4-22
GH: 01837545 Ranunculus recurvatus Poiret USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 01838074 Ranunculus sceleratus Linnaeus USA: Ohio Newark H. A. Gleason 1905-5-6
GH: 00273709 Thalictrum dioicum Linnaeus USA: New York H. A. Gleason 204 1896-4-18
GH: 01839744 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: Ohio Gahanna H. A. Gleason 1905-4-22
GH: 01839749 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: Ohio Columbus: Columbus H. A. Gleason 1905-4-15
Rapateaceae GH: 00028979 Windsorina guianensis Gleason Guyana: Dense upland bush, Kangaruma-Potaro Landing H. A. Gleason 272 1921-6-25
Rosaceae GH: 01586520 Agrimonia gryposepala Wallroth USA: Ohio Columbus: Big Darby Creek H. A. Gleason 1904-10-1
GH: 01586764 Agrimonia pubescens Wallroth USA: Ohio Columbus: Glenmary Park. H. A. Gleason 1904-9-5
GH: 01610617 Geum vernum (Raf.) Torr. & A. Gray USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 01590924 Physocarpus opulifolius (Linnaeus) Maximowicz USA: Ohio Columbus: Big Darby Creek. H. A. Gleason 1904-10-1
GH: 01570124 Potentilla recta Linnaeus USA: Michigan Pellston H. A. Gleason 1917-7-20
GH: 01570477 Potentilla simplex Michaux USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
GH: 01704457 Sanguisorba canadensis Linnaeus USA: Ohio Columbus: nr Scioto River. H. A. Gleason 1904-9-24
Rubiaceae GH: 02359000 Galium aparine Linnaeus USA: Illinois Urbana: [data not captured] H. A. Gleason 524 1899-5-5
GH: 02358999 Galium aparine Linnaeus USA: Illinois [data not captured] H. A. Gleason 290 1896-7-31
GH: 02359647 Galium circaezans hypomalacum Fernald USA: Illinois Urbana: [data not captured] H. A. Gleason 862 1899-7-21
GH: 02359645 Galium circaezans hypomalacum Fernald USA: Illinois [data not captured] H. A. Gleason 1903-6-16
GH: 02359662 Galium circaezans hypomalacum Fernald USA: Missouri [data not captured] H. A. Gleason 1904-6-25
GH: 02359749 Galium concinnum Torrey & A. Gray USA: Illinois [data not captured] H. A. Gleason 1903-6-23
GH: 02359748 Galium concinnum Torrey & A. Gray USA: Illinois Urbana: [data not captured] H. A. Gleason 579 1899-6-16
GH: 02359746 Galium concinnum Torrey & A. Gray USA: Illinois Urbana: [data not captured] H. A. Gleason 1902-5-26
GH: 02138614 Galium obtusum Bigelow USA: Illinois Urbana: [data not captured] H. A. Gleason 1902-5-26
GH: 02138989 Galium pilosum Aiton USA: Illinois [data not captured] H. A. Gleason 2665 1902-7-21
GH: 02139160 Galium pilosum puncticulosum (Michaux) Torr. & A. Gray USA: Illinois [data not captured] H. A. Gleason 1903-8-17
GH: 02140312 Galium triflorum Michaux USA: Illinois Urbana: [data not captured] H. A. Gleason 732 1899-7-8
GH: 02140308 Galium triflorum Michaux USA: Illinois [data not captured] H. A. Gleason 1900-8-23
GH: 00112540 Patima guianensis Aublet Guyana: Mazaruni-Potaro Kangaruma-Potaro Landing, dense upland bush H. A. Gleason 237 1921-6-25
Rutaceae GH: 00518552 Esenbeckia sp. Guyana: Tumatumari H. A. Gleason 159 1921-7-18
Santalaceae GH: 01932717 Comandra umbellata (Linnaeus) Nuttall USA: Ohio north of Columbus H. A. Gleason 1905-5-13
Sapindaceae GH: 00098207 Paullinia arenicola Gleason Guyana: Dry sandy hills east of Rockstone H. A. Gleason 803 1921-7-22
Saxifragaceae GH: 01733942 Heuchera americana brevipetala Rosend., Butters & Lakela USA: Ohio Newark H. A. Gleason 1905-5-6
GH: 01712781 Micranthes virginiensis (Michaux) Small USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
GH: 01712782 Micranthes virginiensis (Michaux) Small USA: Ohio Newark H. A. Gleason 1905-5-6
GH: 01616031 Mitella diphylla Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 01616033 Mitella diphylla Linnaeus USA: Ohio Newark H. A. Gleason 1905-5-6
GH: 01616034 Mitella diphylla Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 01651212 Ribes cynosbati Linnaeus USA: Ohio north of Columbus H. A. Gleason 1905-5-13
Solanaceae GH: 01541306 Physalis heterophylla Nees USA: Ohio Columbus: on Scioto River. H. A. Gleason 1904-9-24
GH: 01541308 Physalis heterophylla Nees USA: Ohio Columbus: Glenmary Park. H. A. Gleason 1904-9-5
GH: 01541697 Physalis pubescens integrifolia (Dunal) Waterfall USA: Ohio Glenmary Park, near Columbus H. A. Gleason 1904-9-5
Theaceae GH: 00306608 Ternstroemia Guyana: Potaro Landing H. A. Gleason 258 1921-6-27
GH: 00306608 Ternstroemia gleasoniana Kobuski Guyana: Potaro Landing H. A. Gleason 258 1921-6-27
Ulmaceae A: 00273976 Ulmus serotina Sargent USA: Illinois Grand Tower H. A. Gleason 1850 1900-8-28
GH: 01932389 Ulmus thomasii Sargent USA: Ohio Columbus: cliff on Scioto river 1 mi above F... H. A. Gleason 1905-4-10
Urticaceae GH: 02170086 Boehmeria cylindrica (Linnaeus) Swartz USA: Illinois [data not captured] H. A. Gleason 2299 1902-7-31
GH: 02170085 Boehmeria cylindrica (Linnaeus) Swartz USA: Illinois [data not captured] H. A. Gleason 1706 1900-8-23
GH: 02170511 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Illinois [data not captured] H. A. Gleason 2301 1902-7-4
GH: 02170510 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Illinois [data not captured] H. A. Gleason 51 1898-9-28
GH: 02170552 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Missouri [data not captured] H. A. Gleason 1904-6-25
GH: 02171297 Urtica dioica gracilis (Aiton) Selander USA: Illinois [data not captured] H. A. Gleason 75 1898-10-8
Verbenaceae GH: 00112540 Aegiphila gleasonii Moldenke Guyana: Mazaruni-Potaro Kangaruma-Potaro Landing, dense upland bush H. A. Gleason 237 1921-6-25
Violaceae GH: 02145592 Viola blanda Willdenow USA: Ohio Sugar Grove H. A. Gleason 1905-5-20
GH: 02145820 Viola canadensis Linnaeus USA: Ohio Sugar Grove H. A. Gleason 1905-5
GH: 02209807 Viola rostrata Pursh USA: Ohio Gahanna H. A. Gleason 1905-4-22
GH: 02209800 Viola rostrata Pursh USA: Ohio north of Columbus H. A. Gleason 1905-5-13
GH: 02210183 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Ohio Black Hand cliffs. Newark H. A. Gleason 1905-5-6
GH: 02211659 Viola striata Aiton USA: Ohio Gahanna H. A. Gleason 1905-4-22
Zingiberaceae GH: 00030692 Renealmia floribunda K. Schumann Guyana: Dense upland forest, Tumatumari H. A. Gleason 138 1921-7
GH: 00030692 Renealmia pedicellaris Gleason Guyana: Dense upland forest, Tumatumari H. A. Gleason 138 1921-7
