Basionym Name:Stereocaulon subramulosum var. humile Müll. Arg., Flora, Regensburg 74(1): 108 (1891)
Homotypic synonyms:Stereocaulon exutum var. humile (Müll. Arg.) C.W. Dodge, Annals Cryptog. Exot. 2(2): 121 (1929)