Orchidaceae AMES: 02173436 Echinosepala arenicola (Carnevali & I. RamÃrez) Carnevali & G. A. Romero Guyana: Cuyuni-Mazaruni Imbaimadai H. D. Clarke C. Perry, E. Tripp, S... 12384 2004-7-2
AMES: 02173439 Effusiella imraei (Lindley) Luer Guyana: Cuyuni-Mazaruni Mt. Maringma, plateau below summit escarpmen... H. D. Clarke 11874 2004-6-22
AMES: 02110350 Epidendrum angustilobum Fawcett & Rendle Guyana: Cuyuni-Mazaruni Mt. Maringma, base of summit escarpment, Ara... H. D. Clarke C. Perry, E. Tripp, S... 11595 2004-6-12
AMES: 02158839 Epistephium parviflorum Lindley Guyana: Cuyuni-Mazaruni Ataro River, landing below falls at Wayalaye... H. D. Clarke C. Perry, E. Tripp, S... 12208 2004-6-28
AMES: 02173275 Myoxanthus simplicicaulis (C. Schweinfurth) Luer Guyana: Cuyuni-Mazaruni Region. Ataro River, landing... H. D. Clarke C. Perry, E. Tripp, S... 12191 2004-6-28
AMES: 02173739 Octomeria cordilabia C. Schweinfurth Guyana: Cuyuni-Mazaruni Mt. Maringma, slope of summit escarpment. H. D. Clarke C. Perry, E. Tripp, S... 11780 2004-6-18
AMES: 02173768 Octomeria exigua C. Schweinfurth Guyana: Cuyuni-Mazaruni Wayalayeng Village, Falls of the Ataro River... H. D. Clarke C. Perry, E. Tripp, S... 11395 2004-6-5
AMES: 02173918 Octomeria parvifolia Rolfe Guyana: Cuyuni-Mazaruni Mt. Maringma, summit H. D. Clarke C. Perry, E. Tripp, S... 11741 2004-6-15
AMES: 02173917 Octomeria parvifolia Rolfe Guyana: Cuyuni-Mazaruni Mt. Maringma, summit. H. D. Clarke C. Perry, E. Tripp, S... 11745 2004-6-15
AMES: 02152995 Pleurothallis bivalvis Lindley Guyana: Cuyuni-Mazaruni Ataro River between falls and confluence wit... H. D. Clarke C. Perry, E. Tripp, S... 12266 2004-6-30
AMES: 02084073 Pleurothallis ruscifolia (Jacquin) R. Brown Guyana: Cuyuni-Mazaruni Mt. Maringma, base of summit escarpment, Ara... H. D. Clarke 11592 2004-6-12
AMES: 02084072 Pleurothallis ruscifolia (Jacquin) R. Brown Guyana: Cuyuni-Mazaruni Ataro River, landing below falls at Wayalaye... H. D. Clarke C. Perry, E. Tripp, S... 12137 2004-6-28
AMES: 02084071 Pleurothallis ruscifolia (Jacquin) R. Brown Guyana: Cuyuni-Mazaruni Mt. Maringma, camp at base of second escarpm... H. D. Clarke C. Perry, E. Tripp, S... 11464 2004-6-8
AMES: 02084070 Pleurothallis ruscifolia (Jacquin) R. Brown Guyana: Cuyuni-Mazaruni Ataro River, landing below falls at Wayalaye... H. D. Clarke C. Perry, E. Tripp, S... 12133 2004-6-28
AMES: 02155117 Scaphyglottis grandiflora Ames & C. Schweinfurth Guyana: Cuyuni-Mazaruni Ataro River, landing below falls at Wayalaye... H. D. Clarke C. Perry, E. Tripp, S... 12221 2004-6-28
AMES: 02155221 Scaphyglottis sickii Pabst Guyana: Cuyuni-Mazaruni Ataro River, below falls of Wayalayeng Villa... H. D. Clarke C. Perry, E. Tripp, S... 12258 2004-6-29
AMES: 02161588 Sobralia valida Rolfe Guyana: Cuyuni-Mazaruni Ataro River, landing below falls at Wayalaye... H. D. Clarke C. Perry, E. Tripp, S... 12219 2004-6-28
AMES: 02173362 Trichosalpinx intricata (Lindley) Luer Guyana: Cuyuni-Mazaruni Mt. Maringma H. D. Clarke C. Perry, E. Tripp, S... 11630 2004-6-14