Rhizoplaca is a genus of lichenized fungi in the family Lecanoraceae.

[2] Members of the genus are commonly called rimmed navel lichens[3] because of their umbilicate growth form and lecanorine (rimmed with thallus-like tissue)apothecia, also rock-posy lichen and rockbright.

[4][5]: 118 As of August 2023[update], Species Fungorum (in the Catalogue of Life) accepts 17 species of Rhizoplaca:[2]

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