Distribution map of Bulbophyllum obovatifolium
Bulbophyllum obovatifolium, N. Howcroft, drawing, plant habit
Bulbophyllum obovatifolium J.J.Sm., floral analysis, drawing J.J. Smith, from Gjellerup 580
Bulbophyllum harposepalum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 261, fig. 997
Bulbophyllum harposepalum Schltr., herbarium sheet, Schlechter 19290 (isotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew