Distribution map of Bulbophyllum calceilabium
Bulbophyllum calceilabium J.J.Sm., floral analysis, drawing J.J. Smith, from Lam 1437
Bulbophyllum calceilabium J.J.Sm., floral analysis, drawing J.J. Smith, from Lam 1437
Bulbophyllum calceilabium J.J.Sm., herbarium sheet, Lam 1437 (holotype L)