''Rhizoplaca chrysoleuca'' is a pale yellowish-green to gray-green umbillicate foiliose lichen . It was first described in 1791 by English botanist Sir James Edward Smith as ''Lichen chrysoleucus''; Friedrich Wilhelm Zopf transferred it to the genus ''Rhizoplaca'' in 1905.
The single-leaf umbillicate thallus can be 2–3.5 cm in width, with deep lobes. The thallus is relatively thick and lumpy with warts and lobules. The fruiting structures . It prefers siliceous rock, granite, schist,.. more
Similar species: Lecanorales
By Christine Young
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Uploaded Jun 20, 2019. Captured Jun 16, 2019 16:59 in 6 Parker Head Rd, Phippsburg, ME 04562, USA.
