Pleurothallis dilatata C. Schweinf: 
Pleurothallis echinocarpa C. Schweinf: 
Pleurothallis inaequisepala C. Schweinf: 
Pleurothallis longiserpens C. Schweinf: 
Pleurothallis quadrata C. Schweinf. . 
Pleurothallis ringens C. Schweinf: 
Pleurothallis spathulifolia C. Schweinf: 
Pleurothallis Talpinaria Peichb,f. . 
Pleurothallis tenuis C. Schzweinf: 
Pleurothallis triangulipetala Ames & Correll 
Pleurothallis Vargasi C. Schweinf. 
Scaphyglottis minutiflora Ames & Correll 
Spiranthes stolonifera Ames & Correll . 
Stanhopea Lewisae Ames & Correll . 
Stelis concaviflora C. Schweinf. . 
Stelis diffusa C. Schweinf. . 
Stelis grandibracteata C. Schweinf: 
Stelis minuta C. Schweinf. 
Zea Mays L. 
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