Tropidia acuminata Schltr., habit detail, photo A. Schuiteman, based on Yumte 83
Tropidia, inflorescence, photo A. Schuiteman, based on Yumte 83
Tropidia acuminata Schltr., herbarium sheet, Schlechter 19333 (isotype specimen L)
Tropidia disticha Schltr., habit and floral analysis, drawing N.H.S. Howcroft & Saya 600
Tropidia triloba J.J.Sm., floral analysis, drawing J.J. Smith, from Versteeg 1433