Enchylium tenax (Sw.) Gray

Nat. Arr. Brit. Pl. (London) 1: 397 (1821).

Basionym: Lichen tenax Sw., Nova Acta Acad. Upsal. 4: 249 (1784).

 

Taxonomy: There is a variety Collema ogatae (Zahlbr.) Degelius mentioned from Angola by Degelius (1974: 46 as Collema tenax var. ogatae).