A new name, clarification of synonymy, and a new subspecies for Isopogon (Proteaceae) in Western Australia
RYE, B.L. AND MACFARLANE, T.D.
Isopogon drummondii Benth. nom. illeg. is lectotypified and replaced by the new name I. autumnalis Rye & T.Macfarlane while I. drummondii Hügel ex Jacques is recognised as a probable synonym of I. sphaerocephalus Lindl. The new subspecies I. sphaerocephalus subsp. lesueurensis Rye is described.
