Specimens - Taxonomy - Orchidaceae Juss.

		First Collector	Serie	Number	Collecting date	Admin Unit	Accepted name	Pheno
		Christenson E.A.		1903	1994–6–4	Guyana - Upper Demerara-Berbice	Platystele ovalifolia (H.Focke) Garay & Dunst.	(fl.)
		Christenson E.A.		1925	1994–6–11	Guyana - Potaro-Siparuni	Habenaria longicauda Hook.	(fl.)
		Christenson E.A.		1926	1994–6–11	Guyana - Potaro-Siparuni	Elleanthus caravata (Aubl.) Rchb.f.	(fr.)
		Christenson E.A.		1930	1994–6–11	Guyana - Potaro-Siparuni	Stelis intermedia Poepp. & Endl.	(fl.)
		Christenson E.A.		1956	1994–6–14	Guyana - Potaro-Siparuni	Sarcoglottis metallica (Rolfe) Schltr.	(fl.)
		Civeyrel L.		1428	1996–12–6	Guyane française	Stelis argentata Lindl.	(fert.)
		Claessens O.		ER O50	2012	Guyane française	Maxillaria frigens Sambin & Chiron	(fl.)
		Clarke H.D.		359	1995–10–5	Guyana - Potaro-Siparuni	Brassavola martiana Lindl.	(fl.)
		Clarke H.D.		386	1995–10–7	Guyana - Potaro-Siparuni	Brassavola martiana Lindl.	(fl.)
		Clarke H.D.		784	1996–1–14	Guyana - Demerara-Mahaica	Scaphyglottis Poepp. & Endl.	(fr.)
		Clarke H.D.		942	1996–1–31	Guyana - Cuyuni-Mazaruni	Sobralia liliastrum Lindl.	(fr.)
		Clarke H.D.		944	1996–2–1	Guyana - Cuyuni-Mazaruni	Scaphyglottis Poepp. & Endl.
		Clarke H.D.		947	1996–2–1	Guyana - Cuyuni-Mazaruni	Maxillaria parkeri Hook.	(fl.)
		Clarke H.D.		962	1996–2–1	Guyana - Cuyuni-Mazaruni	Maxillaria parkeri Hook.	(fl.)
		Clarke H.D.		1020	1996–2–5	Guyana - Cuyuni-Mazaruni	Galeottia burkei (Rchb.f.) Dressler & Christenson	(fl.)
		Clarke H.D.		1033	1996–2–7	Guyana - Cuyuni-Mazaruni	Epidendrum L.	(fr.)
		Clarke H.D.		1037	1996–2–7	Guyana - Cuyuni-Mazaruni	Sobralia liliastrum Lindl.	(fr.)
		Clarke H.D.		1051	1996–2–7	Guyana - Cuyuni-Mazaruni	Epidendrum orchidiflorum Salzm. ex Lindl.	(fl.)
		Clarke H.D.		1097	1996–2–11	Guyana - Cuyuni-Mazaruni	Cyclopogon C.Presl	(fl.)
		Clarke H.D.		1128	1996–2–12	Guyana - Cuyuni-Mazaruni	Epidendrum L.	(fr.)
		Clarke H.D.		1205	1996–2–22	Guyana - Potaro-Siparuni	Isochilus linearis (Jacq.) R.Br.
		Clarke H.D.		1362	1996–3–20	Guyana - Potaro-Siparuni	Epidendrum rigidum Jacq.	(fl.)
		Clarke H.D.		1383	1996–3–20	Guyana - Potaro-Siparuni	Orleanesia amazonica Barb.Rodr.	(fl.,fr.)
		Clarke H.D.		1432	1996–3–24	Guyana - Potaro-Siparuni	Wullschlaegelia calcarata Benth.
		Clarke H.D.		1440	1996–3–24	Guyana - Potaro-Siparuni	Elleanthus C.Presl	(fl.)
		Clarke H.D.		1525	1996–3–31	Guyana - Potaro-Siparuni	Epidendrum nocturnum Jacq.	(fl.)
		Clarke H.D.		1726	1996–5–27	Guyana - Upper Takutu-Upper Essequibo	Galeandra stylomisantha (Vell.) Hoehne	(fl.)
		Clarke H.D.		1869	1996–6–1	Guyana - Pomeroon-Supenaam	Stelis argentata Lindl.	(fl.)
		Clarke H.D.		2237	1996–7–17	Guyana - Upper Takutu-Upper Essequibo	Dichaea picta Rchb.f.	(fl.)
		Clarke H.D.		2290	1996–7–18	Guyana - Upper Takutu-Upper Essequibo	Maxillaria uncata Lindl.	(fl.)
		Clarke H.D.		2302	1996–7–18	Guyana - Upper Takutu-Upper Essequibo	Encyclia granitica (Lindl.) Schltr.	(fl.)
		Clarke H.D.		2917	1996–11–3	Guyana - Upper Takutu-Upper Essequibo	Scaphyglottis Poepp. & Endl.	(fl.)
		Clarke H.D.		2921	1996–11–3	Guyana - Upper Takutu-Upper Essequibo	Pleurothallis R.Br.	(fr.)
		Clarke H.D.		2973	1996–11–9	Guyana - Upper Takutu-Upper Essequibo	Epidendrum purpurascens H.Focke	(fl.)
		Clarke H.D.		2990	1996–11–9	Guyana - Upper Takutu-Upper Essequibo	Solenidium Lindl.	(fr.)
		Clarke H.D.		3074	1996–11–10	Guyana - Upper Takutu-Upper Essequibo	Prosthechea vespa (Vell.) W.E.Higgins	(fl.)
		Clarke H.D.		3085	1996–11–11	Guyana - Upper Takutu-Upper Essequibo	Pleurothallis miqueliana (H.Focke) Lindl.	(fl.)
		Clarke H.D.		3250	1996–11–18	Guyana - Upper Takutu-Upper Essequibo	Elleanthus graminifolius (Barb.Rodr.) Løjtnant	(fl.)
		Clarke H.D.		3460	1997–2–10	Guyana - Upper Takutu-Upper Essequibo	Rodriguezia lanceolata Ruiz & Pav.	(fl.)
		Clarke H.D.		3497	1997–2–11	Guyana - Upper Takutu-Upper Essequibo	Maxillaria camaridii Rchb.f.	(fr.)
		Clarke H.D.		3554	1997–2–12	Guyana - Upper Takutu-Upper Essequibo	Caularthron Raf.	(fr.)
		Clarke H.D.		3568	1997–2–12	Guyana - Upper Takutu-Upper Essequibo	Brassia R.Br.	(fl.)
		Clarke H.D.		3586	1997–2–13	Guyana - Upper Takutu-Upper Essequibo	Orleanesia amazonica Barb.Rodr.	(fl.)
		Clarke H.D.		3694	1997–2–16	Guyana - Upper Takutu-Upper Essequibo	Rodriguezia lanceolata Ruiz & Pav.	(fl.)
		Clarke H.D.		3706	1997–2–19	Guyana - Upper Takutu-Upper Essequibo	Heterotaxis villosa (Barb.Rodr.) F.Barros	(fl.)
		Clarke H.D.		3781	1997–2–21	Guyana - Upper Takutu-Upper Essequibo	Dichaea picta Rchb.f.	(fl.)
		Clarke H.D.		4054	1997–3–2	Guyana - Upper Takutu-Upper Essequibo	Maxillaria camaridii Rchb.f.	(fl.)
		Clarke H.D.		4147	1997–3–20	Guyana - Potaro-Siparuni	Palmorchis Barb.Rodr.	(fl.)
		Clarke H.D.		4800	1997–5–20	Guyana - Upper Takutu-Upper Essequibo	Dichaea picta Rchb.f.	(fl.,fr.)
		Clarke H.D.		4902	1997–5–23	Guyana - Upper Takutu-Upper Essequibo	Masdevallia minuta Lindl.	(fl.)