Rutaceae Juss.
Eriostemon difforme Endl. , orth. var., scientific
Endlicher, S.F.L. in Endlicher, S.F.L., Fenzl, E., Bentham, G. & Schott, H.W. (April 1837), Rutaceae. Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel: 15, adnot. [primary reference]
Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [orthographic variant]
orthographic variant of: Philotheca difformis (A.Cunn. ex Endl.) Paul G.Wilson legitimate