Basionym Name:Collema apalachense Tuck., Amer. J. Sci. Arts, Ser. 2 28: 200 (1859)
Homotypic synonyms:Collemodium apalachense (Tuck.) Nyl., in Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 3 sér. 2: 232 (1890)