Khumbu Himal 6, 3: 426 (1977).

Protolog: Thalli microphylli, dense aggregati, ambitu rotundati.

Protolog type data: Typus: Khumbu Himal. Höhe westlich über Gorak Shep, 5540 m (L 264).

Type locality: Nepal, Khumbu Himal [Everest Region], hill west above Gorak Shep, 5540 m (L 264 - holotype).