Apocynaceae GH: 02115108 Condylocarpon intermedium Müller Arg. Guyana: Barima-Waini British Guiana: Morawhanna, Barima River A. S. Hitchcock 17519 1920-1-14
GH: 02378979 Malouetia tamaquarina (Aublet) de Candolle Guyana: British Guiana: Issorora, Aruka River A. S. Hitchcock 17575 1920-1-16
GH: 02379449 Mandevilla hirsuta (Richard) K. Schumann Guyana: Marwhanna, Barima River A. S. Hitchcock 17500 1920-1-14
GH: 02375815 Tabernaemontana heterophylla Vahl Guyana: Issorora, Aruka River A. S. Hitchcock 17579 1920-1-16
Araceae GH: 01635795 Anthurium obtusum (Engler) Grayum Guyana: Potaro-Siparuni 10 miles south of Potaro Landing A. S. Hitchcock 17392 1920-1-7
GH: 01655351 Caladium bicolor (Aiton) Ventenat Guyana: Tumatumari, Potaro River A. S. Hitchcock 17337 1920-1-3
GH: 01655353 Caladium bicolor (Aiton) Ventenat Guyana: Tumatumari, Potaro River A. S. Hitchcock 17337 1920-1-3
GH: 01630830 Spathiphyllum cannifolium (Dryander ex Sims) Schott Belize: Issorora, Aruka River A. S. Hitchcock 17570 1920-1-16
Boraginaceae GH: 00095575 Cordia fallax I. M. Johnston Guyana: Issorora, Aruka River, lat. 8° 10' N, long ... A. S. Hitchcock 17563 1920-1-16
Bromeliaceae GH: 02016248 Aechmea lingulata (Linnaeus) Baker Guyana: British Guiana: Yarikita Police Station, Jun... A. S. Hitchcock 17631 1920-1-17
GH: 02014121 Guzmania roezlii (E. Morren) Mez Guyana: British Guiana: Yarikita Police Station, jun... A. S. Hitchcock 17632 1920-1-17
GH: 02014141 Guzmania splitgerberi Mez Guyana: British Guiana: Yarikita Police Station, jun... A. S. Hitchcock 17633 1920-1-17
GH: 02014140 Guzmania splitgerberi Mez Guyana: British Guiana: Yarikita Police Station, jun... A. S. Hitchcock 17633 1920-1-17
GH: 02548688 Tillandsia monadelpha Baker Guyana: British Guiana: Yarikita Police Station, jun... A. S. Hitchcock 17636 1920-1-17
Burmanniaceae GH: 00030759 Gymnosiphon breviflorus Gleason Guyana: Tumatumari, Potaro River, 5°20'N A. S. Hitchcock 17349 1920-1-3
Cactaceae GH: 01875127 Epiphyllum phyllanthus (Linnaeus) Haworth Guyana: Morawhanna, Barima River A. S. Hitchcock 17526 1920-1-14
Cyclanthaceae GH: 00028611 Carludovica pygmaea Gleason Guyana: Tumatumari, Potaro River, lat. 5°20'N A. S. Hitchcock 17378 1920-1-3
GH: 00028611 Carludovica sp. Guyana: Tumatumari, Potaro River, lat. 5°20'N A. S. Hitchcock 17378 1920-1-3
GH: 00028611 Dicranopygium pygmaeum pygmaeum Guyana: Tumatumari, Potaro River, lat. 5°20'N A. S. Hitchcock 17378 1920-1-3
Gesneriaceae GH: 00338168 Besleria saxicola C. V. Morton Guyana: British Guiana: Tumatumari, Potaro River, la... A. S. Hitchcock 17375 1920-1-3
Lentibulariaceae GH: 01976492 Utricularia foliosa Linnaeus Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17620 1920-1-17
Melastomataceae GH: 00072275 Ernestia glandulosa Gleason Guyana: Tumatumari, Potaro River, forest along strea... A. S. Hitchcock 17372 1920-1-3
Meliaceae GH: 02269156 Carapa guianensis Aublet Guyana: A. S. Hitchcock 17524 1920-1-14
Moraceae GH: 00312319 Ficus maxima Miller Guyana: Morawhanna, Barima River A. S. Hitchcock 17536 1920-6-14
Orchidaceae AMES: 02110582 Epidendrum compressum Grisebach Guyana: Yarikita Polica Station, junction of Yarikit... A. S. Hitchcock 17628 1920-1-17
AMES: 02109436 Epidendrum imatophyllum Lindley Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17644 1920-1-17
GH: 02109555 Epidendrum linearidifforme Hágsater & L. Sánchez Guyana: Potaro, 10 miles south of Potaro Landing A. S. Hitchcock 17396 1920-1-7
GH: 02109618 Epidendrum longicolle Lindley Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17645 1920-1-17
AMES: 02109608 Epidendrum longicolle Lindley Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17645 1920-1-17
GH: 02109824 Epidendrum nocturnum Jacquin Guyana: Yarikita Police STation, junction of Yarikit... A. S. Hitchcock 17626 1920-1-17
GH: 02109822 Epidendrum nocturnum Jacquin Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17646 1920-1-17
GH: 02108226 Epidendrum rigidum Jacquin Guyana: along Amakura R.; Yarikita Police Station, j... A. S. Hitchcock 17629 1920-1-17
AMES: 02108399 Epidendrum strobiliferum H. G. Reichenbach Guyana: along Amakura River; Yarikita Police Station... A. S. Hitchcock 1920-1-17
GH: 02108398 Epidendrum strobiliferum H. G. Reichenbach Guyana: along Amakura R.; Yarikita Police Station, j... A. S. Hitchcock 17625b 1920-1-17
GH: 02341345 Eulophia alta Fawcett & Rendle Guyana: British Guiana: Issorora, Aruka River A. S. Hitchcock 17569 1920-1-16
AMES: 02341350 Eulophia alta Fawcett & Rendle Guyana: British Guiana: Issorora, Aruka River A. S. Hitchcock 17569 1920-1-16
AMES: 00074334 Pleurothallis hitchcockii Ames Guyana: Potaro, 10 miles south of Potaro Landing A. S. Hitchcock 17394 1920-1-7
AMES: 00083354 Pleurothallis hitchcockii Ames Guyana: Potaro, 10 miles south of Potaro Landing A. S. Hitchcock 17394 1920-1-7
GH: 02124614 Prosthechea roraimensis V. P. Castro & M. A. Campacci Guyana: along Amakura R.; Yarikita Police Station, j... A. S. Hitchcock 17630 1920-1-17
GH: 02124614 Prosthechea vespa (Vellozo) W. E. Higgins Guyana: along Amakura R.; Yarikita Police Station, j... A. S. Hitchcock 17630 1920-1-17
AMES: 02155162 Scaphyglottis modesta (H. G. Reichenbach) Schlechter Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17627 1920-1-17
AMES: 02155175 Scaphyglottis prolifera (R. Brown) Cogniaux Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17625 1920-1-17
GH: 02155220 Scaphyglottis sickii Pabst Guyana: Yarikita Police Station, junction of Yarikit... A. S. Hitchcock 17625 1920-1-17
GH: 02089989 Stelis ophioglossoides (Jacquin) Swartz Guyana: British Guiana: Akyma, Demerara River above ... A. S. Hitchcock 17449 1920-1-9
AMES: 02089988 Stelis ophioglossoides (Jacquin) Swartz Guyana: British Guiana: Akyma, Demerara River above ... A. S. Hitchcock 17449 1920-1-9
AMES: 02162187 Wullschlaegelia calcarata Bentham Guyana: Tumatumari, Potaro River A. S. Hitchcock 17351 1920-1-3
Piperaceae GH: 01983152 Lepianthes peltata (Linnaeus) Rafinesque ex R. A. Howard Belize: Potaro, 10 miles south of Potaro Landing A. S. Hitchcock 17398 1920-1-7
GH: 01982225 Peperomia glabella melanostigma Dahlstedt Guyana: Morawhanna, Barima River A. S. Hitchcock 17478 1920-1-14
GH: 01982385 Peperomia magnoliifolia (Jacquin) A. Dietrich Guyana: Morowhanna, Barima River A. S. Hitchcock 17492 1920-1-14
GH: 01964643 Piper arboreum Aublet Guyana: Issorora, Aruka River A. S. Hitchcock 17544 1920-1-16
GH: 01933078 Piper demeraranum (Miquel) C. de Candolle Guyana: Tumatumari, Potaro River A. S. Hitchcock 17358 1920-1-3
Poaceae GH: 00023829 Ichnanthus areolatus K. E. Rogers Guyana: Issorora, Aruka River, edge of forest in low... A. S. Hitchcock 17562 1920-1-17
GH: 00023831 Ichnanthus confertus K. E. Rogers Guyana: Tumatumari, trail to Washerwoman Falls, open... A. S. Hitchcock 17376 1920-1-5
GH: 00023831 Ichnanthus pallens (Swartz) Munro ex Bentham Guyana: Tumatumari, trail to Washerwoman Falls, open... A. S. Hitchcock 17376 1920-1-5
GH: 00024147 Panicum guianense Hitchcock Guyana: Rockstone, along bank of stream in shallow w... A. S. Hitchcock 17313 1920-1-1
Rubiaceae GH: 00094929 Patima formicaria I. M. Johnston Guyana: Tumatumari, Potaro River, wet virgin forest,... A. S. Hitchcock 17348 1920-1-3
GH: 00112541 Patima formicaria I. M. Johnston Guyana: Tumatumari, Potaro River, wet virgin forest,... A. S. Hitchcock 17348 1920-1-3
Theaceae A: 02269248 Ternstroemia browniana Kobuski Guyana: British Guiana A. S. Hitchcock 17306 1920-1-1
