Basionym Name:Thelidium marcianum f. albidum B. de Lesd., [as 'albida'] Bull. Soc. bot. Fr. 56(7): 477 (1909)
Homotypic synonyms:Paraphysothele marciana f. albida (B. de Lesd.) Zschacke, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(1.1): 567 (1934)