Trigonidium seemannii Rchb.f., Bot. Voy. Herald 214. 1854.
TYPE: Panama. rara videtur cum inter copiam Orchidearum centro-americanarum, quam teneo, haud amplius occurrant, C.B. Seemann 539 (holotype, BM, drawing of type, W).
HETEROTYPIC SYNONYMS
Trigonidium egertonianum Bateman ex Lindl., Edwards's Bot. Reg. 24: misc. 73-74. 1838.