Published in: Mem. Torrey Bot. Club 4(2): 115. 1894.
Other: Britton considered Gillenia Moench as a later homonym of Gillena Adans. 1763 and published Porteranthus as a nom. nov. ARS-Grin, ITIS say it is not to be considered a later homonym of Gillena Adans. 1763 but proposal to conserve the name over Gillena was rejected. The result is that some show Gillenia Moench as a synonym of Porteranthus Britton whilst others show it as accepted. Type P. trifoliatus (L.) Britton.