setacea Lindl. 
simacoénsis Schltr. 
simula Schltr. 
Skutchii Ames 
smaragdina Barb.Rodr. 
Sodiroi Schltr. 
spathulata Poepp. & Endl. 
sphaerochila LIndl. 
spiralis (Ruiz & Pav.) Pers. 
Standleyi Ames 
steganopous Garay 
stenophylla Rchb.f. 
Steyermarkii Foldats 
Storkii Ames 
striolata Lindl. 
suaveolens Lehm. & Krzl. 
subinconspicua Schltr. 
superbiens Lindl. 
Superposita Schltr. 
synsepala Cogn. 
tachirensis Foldats 
tenuicaulis Lindl. 
tenuilabris Lindl. 
tenuipetala Garay 
tenuis Schltr. 
tenuissima Schltr. 
Tessmanii Mansf. 
thecoglossa Rchb.f. 
thermophila Schltr. 
Tippenhaueri Urb. 
Toepfferana Rchb.f. 
tolimensis Schltr. 
Tonduziana Schltr. 
transversalis Ames 
Trianaei Schltr. 
triangulabia Ames 
triangularis Barb.Rodr. 
triangularis var longipedunculata 
Cogn. 
trianguliflora Schltr. 
triangulisepala C. Schweinf. 
triaristata Luer 
tricardium Lindl. 
trichorrachis Rchb.f. 
tricuspis Schltr. 
tridactylon Luer 
= Sect. Chasmostelis r-12 
= Stelis virens Schltr. 
= Stelis crassilabia Schltr. 
= Apatostelis Skutchii (Ames) Garay 
= Stelis papaquerensis Rchb.f. 
= Stelis discolor Rchb.f. 
= Sect. Concavae r-15 
= Stelis humilis Lindl. 
= Pleurothallis spiralis (Ruiz & Pav.) 
Lindl. 
= Apatostelis Standleyi (Ames) 
Garay 
= Subgen. Nexipous 
= Sect. Chasmostelis c-10 
= Stelis iminapensis Rchb.f. 
= Sect. Rhomboideae c-6 
= Subgen. Stelis r-20 
= Subgen. Dialissa 
= Stelis micragrostis Schltr. 
= Sect. Monostachyae c 
= Stelis oblongifolia Lindl. 
= Sect. Distichae c-4 
= Stelis stenophylla Rchb.f. 
= Subgen. Stelis r-20 
= Apatostelis alata (Lindl.) Garay 
= Sect. Chasmostelis c-10 
= Stelis pusilla H.B.K. 
= Sect. Rhomboideae c-6 
= Stelis nana Lindl. 
= Sect. Distichae c-3 
= Sect. Distichae c-] 
= Stelis gutturosa Rchb.f. 
= Stelis scabrida Lindl. 
= Sect. Distichae c-3 
— Apatostelis Tonduziana (Schltr.) 
Garay 
= Sect. Distichae c-4 
Stelis scansor Rchb.f. 
= Sect. Distichae c-3 
= Sect. Distichae C-3 
= Sect. Distichae c-3 
Stelis muscifera Lindl. 
= Sect. Distichae c-4 
= Sect. Distichae c-4 
= Sect. Distichae c-3 
= Sect. Monostachyae r 
= Sect. Concavae r-15 
= Sect. Distichae c-4 
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