Bulbophyllum arsoanum J.J.Sm., Repert. Spec. Nov. Regni Veg. 11: 276 (1912).
Syn. Bulbophyllum rhodostictum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1: 771 (1913).
Plant cultivated at the Leiden botanical garden. Accession number 20031651.
Plant collected in the Gulf Prov., PNG.
Leiden herbarium number 19559