Orchidaceae GH: 02090075 Aspidogyne confusa (C. Schweinfurth) Garay Guyana: U. Takutu-U. ssequibo. Kuyuwini R. watershed... T. W. Henkel 3130 1993-9-22
GH: 02154458 Brassavola martiana Lindley Guyana: Cuyuni-Mazaruni Essequibo River, west bank, Wolga 1 km south... T. W. Henkel M. Chin, R. Williams,... 1845 1993-4-1
GH: 02125162 Cattleya violacea (Kunth) Rolfe Guyana: Upper Takutu-Upper Essequibo South Rupununi Savanna; Ikirap Creek along M... T. W. Henkel R. James 3547 1993-12-23
GH: 02158345 Cleistes rosea Lindley Guyana: Upper Demerara-Berbice Lower Kajarau Creek T. W. Henkel R. Williams 2152 1993-6-18
GH: 02158341 Cleistes rosea Lindley Guyana: Potaro-Siparuni Pakaraima Mts; Upper Ireng watershed; E slop... T. W. Henkel M. Chin, L. Williams 5536 1994-7-10
GH: 02341946 Cyrtopodium parviflorum Lindley Guyana: Cuyuni-Mazaruni Between Chinowieng Village and Chi-Chi Falls T. W. Henkel 17 1992-10-20
GH: 02341987 Cyrtopodium sp. Guyana: Upper Takutu-Upper Essequibo South Rupununi; Toot River, 40 km Se Aishalt... T. W. Henkel R. James 3754 1994-4-26
GH: 02341986 Cyrtopodium sp. Guyana: Upper Takutu-Upper Essequibo South Rupunini Savanna; Marudi line 10 km S ... T. W. Henkel R. James 3475 1993-11-13
AMES: 02159411 Elleanthus caravata (Aublet) H. G. Reichenbach Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., 1 km downstr... T. W. Henkel J. Husher & R. James 6479 1998-5-15
AMES: 02159410 Elleanthus caravata (Aublet) H. G. Reichenbach Guyana: U. Takutu-U. Essequibo : Acarai Mts; Watuwau... T. W. Henkel M. Chin, R. Williams ... 4822 a 1994-2-26
AMES: 02159501 Elleanthus graminifolius (Barbosa Rodrigues) Lojtnant Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., top of Kurut... T. W. Henkel J. Husher & R. James 6529 1998-5-21
GH: 02159547 Elleanthus graminifolius (Barbosa Rodrigues) Lojtnant Guyana: Potaro-Siparuni Potaro River, 0 to 2.5 km downstream from Me... T. W. Henkel R. Williams 2351 1993-7-21
GH: 02123276 Encyclia conchaechila (Barbosa Rodrigues) Porto & Brade Guyana: Upper Takutu-Upper Essequibo South Rupununi savanna: Ororkar bush, SE of ... T. W. Henkel R. James 3715 1994-2-8
AMES: 02110351 Epidendrum angustilobum Fawcett & Rendle Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., Ando Falls; ... T. W. Henkel J. Husher & R. James 6666 1998-5-24
GH: 02109378 Epidendrum ibaguense Kunth Guyana: Upper Takutu-Upper Essequibo South Rupununi savanna; Bakparwau Creek, SE ... T. W. Henkel R. James 3704 1994-2-7
GH: 02109390 Epidendrum ibaguense Kunth Guyana: Upper Takutu-Upper Essequibo Kuyuwini watershed; Bat Mtn; lower slopes of... T. W. Henkel R. Williams, V. James 3004 1993-9-17
GH: 02109388 Epidendrum ibaguense Kunth Guyana: Upper Takutu-Upper Essequibo South Rupununi savanna; Bakparwau Creek, SE ... T. W. Henkel R. James 3710 1994-2-7
AMES: 02108146 Epidendrum ramosum Jacquin Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., 1 km downstr... T. W. Henkel J. Husher & R. James 6485 1998-5-15
AMES: 02108306 Epidendrum secundum Jacquin Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., Mt. Kukumang... T. W. Henkel J. Husher & R. James 6708 1998-5-26
GH: 02108798 Epidendrum sp. Guyana: Upper Takutu-Upper Essequibo South Rupununi savanna; Bakparwau Creek, SE ... T. W. Henkel R. James 3710 1994-2-7
AMES: 02158824 Epistephium duckei Huber Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., top of Kurut... T. W. Henkel J. Husher & R. James 6515 1998-5-16
GH: 01946284 Habenaria trifida Kunth Guyana: Region: Potaro-Siparuni. Pakaraima Mts; Uppe... T. W. Henkel 5452 1994-7-5
GH: 01947758 Habenaria trifida Kunth Guyana: Region: U. Takutu-U. Essequibo. South Rupunu... T. W. Henkel [data not captured] 3860 1994-6-13
AMES: 02155565 Jacquiniella globosa (Jacquin) Schlechter Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., 1 km downstr... T. W. Henkel J. Husher & R. James 6475 1998-5-15
AMES: 02155564 Jacquiniella globosa (Jacquin) Schlechter Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., top of Kurut... T. W. Henkel J. Husher & R. James 6536 1998-5-21
GH: 02173737 Octomeria connellii Rolfe Guyana: Potaro-Siparuni Pakaraima Mts, Mt. Wokomung, Ka-mie-wah pinn... T. W. Henkel R. Williams, S. Frate... 4513 1993-11-19
AMES: 02152992 Pleurothallis bivalvis Lindley Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., Ando Falls; ... T. W. Henkel J. Husher & R. James 6674 1998-5-24
GH: 02083809 Pleurothallis picta Lindley Guyana: Region: U. Takutu-U. Essequibo. South Rupunu... T. W. Henkel R. James 3537 1993-12-11
AMES: 02084065 Pleurothallis ruscifolia (Jacquin) R. Brown Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., Ando Falls; ... T. W. Henkel J. Husher & R. James 6667 1998-5-24
GH: 02084119 Pleurothallis ruscifolia (Jacquin) R. Brown Guyana: Potaro-Siparuni Pakaraima Mts, Mt. Wokomung; Suruwabaru Cree... T. W. Henkel R. Williams, S. Frate... 4074 1993-11-7
GH: 02127896 Polystachya concreta (Jacquin) Garay & Sweet Guyana: Potaro-Siparuni Pakaraima Mts; Upper Ireng watershed; E bank... T. W. Henkel M. Chin 5750 1994-7-20
GH: 02124611 Prosthechea roraimensis V. P. Castro & M. A. Campacci Guyana: Upper Takutu-Upper Essequibo South Rupununi Savanna; Aishalton Mts; 2 km ... T. W. Henkel R. Williams and V. Ja... 3437 1993-10-12
GH: 02124611 Prosthechea vespa (Vellozo) W. E. Higgins Guyana: Upper Takutu-Upper Essequibo South Rupununi Savanna; Aishalton Mts; 2 km ... T. W. Henkel R. Williams and V. Ja... 3437 1993-10-12
AMES: 02155110 Scaphyglottis graminifolia (Ruiz & Pavon) Poepp. & Endl. Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., 1 km downstr... T. W. Henkel J. Husher & R. James 6478 1998-5-15
GH: 02155219 Scaphyglottis sickii Pabst Guyana: Upper Takutu-Upper Essequibo Essequibo River, W bank, 100 m S of mouth of... T. W. Henkel R. Williams and V. Ja... 3262 1993-10-1
AMES: 02161406 Sobralia elisabethiae R. H. Schomburgk Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., top of Kurut... T. W. Henkel J. Husher & R. James 6514 1998-5-16
AMES: 02161572 Sobralia suaveolens H. G. Reichenbach Guyana: Potaro-Siparuni Pakaraima Mts., upper Ireng R., 1 km downstr... T. W. Henkel J. Husher & R. James 6477 1998-5-15
AMES: 02088273 Stelis intermedia Poeppig & Endlicher Guyana: Potaro-Siparuni Region. Pakaraima Mts., uppe... T. W. Henkel 6538 1998-5-21
GH: 02088810 Stelis sp. Swartz Guyana: Potaro-Siparuni. Pakaraima Mts, Mt. Wokomung... T. W. Henkel [data not captured] 4075 1993-11-7
Physalacriaceae FH: 00290604 Guyanagaster necrorhizus T. W. Henkel, Aime & M. E. Smith Guyana: Potaro-Siparuni Guyana. Region 8 Potaro-Siparuni - Pakaraima... T. W. Henkel 9065 2009-7-22
