Basionym Name:Gyrophora decussata var. sublaevigata Räsänen, Memor. Soc. Fauna Flora fenn. 8: 183 (1933)
Homotypic synonyms:Omphalodiscus decussatus var. sublaevigatus (Räsänen) Llano, Monograph of the Lichen Family Umbilicariaceae in the Western Hemisphere: 83 (1950)Umbilicaria decussata var. sublaevigata (Räsänen) Zahlbr., Cat. Lich. Univers. 10: 402 (1939)Umbilicaria reticulata var. sublaevigata (Räsänen) Motyka, Flora Polska, Porosty (Warszawa/Krakow) 4(2): 34 (1964)