Davydov, E.A.; Blum, O.B.; Kashevarov, G.P.; Grakhov, V.P. 2019: Umbilicaria subpolyphylla Oxner: the correct name for U. iberica Sancho & Krzewicka and its bipolar distribution pattern. The Lichenologist 52(3): 205–220.
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| Davydov, E.A.; Blum, O.B.; Kashevarov, G.P.; Grakhov, V.P. 2019: Umbilicaria subpolyphylla Oxner: the correct name for U. iberica Sancho & Krzewicka and its bipolar distribution pattern. The Lichenologist 52(3): 205–220. |