Basionym Name:Thelotrema monosporum var. subgeminum Nyl., Bull. Soc. linn. Normandie, sér. 2 2: 77 (1868)
Homotypic synonyms:Leptotrema subgeminum (Nyl.) Zahlbr., Cat. Lich. Univers. 2: 640 (1923)Thelotrema subgeminum (Nyl.) Nyl., Sert. Lich. Trop. Labuan Singapore: 5 (1891)