Monograph of the Lichen Family Umbilicariaceae in the Western Hemisphere: 47 (1950). Basionym: Umbilicaria rubiginosa Pers., in Gaudichaud-Beaupré in Freycinet, Voy. Uranie., Bot.: 202 (1827) [1826-1830].
Basionym: Umbilicaria rubiginosa Pers., in Gaudichaud-Beaupré in Freycinet, Voy. Uranie., Bot.: 202 (1827) [1826-1830].