Lich. Fl. U.S.: 261 (1935).

Basionym: Cladonia santensis var. beaumontii Tuck., Syn. N. Amer. Lich. (Boston) 1: 245 (1882).

Type locality: USA, Alabama, "septentrionalis" (probably Macon Co., Tuskegee fide Ahti (1993: 68), 1853, J. F. Beaumont 25 (FH-Tuck - holotype).

Note: Author citation in IF 2016-3-14: Cladonia beaumontii Vain., Acta Soc. Fauna Flora fenn. 4(no. 1): 411 (1887)
Author citation in Ahti (1993: 68): C. b. (Tuck.) Vain. Acta Soc. Fauna Fl. Fenn. 10: 455 (1894), basionym: Cladonia santensis var. beaumontii Tuck., Syn. N. Amer. Lich. 1: 245 (1882).