Basionym Name:Cladonia didyma f. macilentiformis Harm., in Sarasin & Roux, Nova Caledonia. Forschungen in Neu-Caledonien und den Loyalty-Inseln, B. Botanik 1(fasc. 1): 9 (1914)
Homotypic synonyms:Cladonia macilentiformis (Harm.) Aptroot & Volk. John, Herzogia 28(2/1): 309 (2015)