Lichenologist 42, 4: 491 (2010).

Basionym: Umbilicaria decussata var. rhizinata Frey & Poelt, in Poelt, Khumbu Himal 6, 3: 419 (1977).

Protolog type data: Typus: Moränen des Lobuche-Gletschers bei Lobuche, 4950-5000 m (L 247a).

Type locality: Nepal, moraines of the Lobuche glacier near Lobuche, 4950-5000 m (L 247a).