Persoonioideae

Acidonia microcarpa is a species of shrub in the plant family Proteaceae, and is the only species in the genus Acidonia. It is endemic to the south coast of the Southwest Botanic Province of Western Australia.

The Persoonioideae are a subfamily of closely related genera within the large and diverse family Proteaceae and incorporates such genera as Persoonia, Acidonia, Garnieria, Toronia and Placospermum.

Placospermum is a genus of a single species of large trees, constituting part of the plant family Proteaceae. The species Placospermum coriaceum is endemic to the rainforests of the wet tropics region of northeastern Queensland, Australia. Common names include rose silky oak and plate-seeded oak.