Mouth Holland Thomasia (Thomasia gardneri)
The Mount Holland Thomasia was described in 1974, based on the type material that apparently was collected in 1929; it was restricted to a region somewhere near Mt. Holland in southern Western Australia.
The species is now most likely extinct. [1]
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References:
[1] Kelly A. Sheperd: A key to the species of Thomasia (Malvaceae: Byttnerioideae). Nuytsia 30: 195-202. 2019
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edited: 03.05.2022