Cyathostemon ambiguus is a member of the family Myrtaceae endemic to Western Australia.

[3] It is found in an area along the south coast extending from the Great Southern and into the south western Goldfields-Esperance regions of Western Australia.

[3] Cyathostemon ambiguus was first described in 1869 by Ferdinand von Mueller as Astartea ambigua,[1][4] but in 2012 was transferred to the genus, Cyathostemon, by Barbara Rye and Malcolm Trudgen.

[1][2] This Myrtaceae article is a stub.

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