Calanthe bicalcarata J.J.Sm. var. depressa J.J.Sm., drawing J.J. Smith, from Bogor cult. (Djibdja) s.n.
Calanthe bicalcarata J.J.Sm. var. depressa J.J.Sm., herbarium sheet, Bogor cult. s.n. (Wichman Exp., Djibdja s.n., 1906), holotype specimen (BO)