Rutaceae Juss.
Phebalium canaliculatum (F.Muell. & Tate) J.H.Willis - Phebalium tuberculosum (F.Muell.) Benth. , [n/a], intergrade
Wilson, Paul G. (10 December 1970), A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1): 67-68 BHL [primary reference]