Basionym Name:Catapyrenium semaforonense Breuss, Stapfia 23: 112 (1990)
Homotypic synonyms:Clavascidium semaforonense (Breuss) M. Prieto, in Prieto, Martínez, Aragón, Gueidan & Lutzoni, Am. J. Bot. 99(1): 28 (2012)Placidium semaforonense (Breuss) Breuss, Annln naturh. Mus. Wien, Ser. B, Bot. Zool. 98(Suppl.): 39 (1996)