Vascular Plants Australian Plant Name Index (APNI)

Showing Sphenophyllales
Sphenophyllales Engl. , orth. var., scientific
Engler, H.G.A. (1892), Syllabus Edn. 1: 58 [primary reference]
Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [orthographic variant]
orthographic variant of: Sphenopsida Engl. legitimate