Basionym Name:Teloschistes concolor f. effusus Tuck., Syn. N. Amer. Lich. (Boston) 1: 52 (1882)
Homotypic synonyms:Candelaria laciniosa var. effusa (Tuck.) Riddle, in Nichols, Bryologist 28: 57 (1925)Placodium candelarium var. effusum (Tuck.) Gyeln., Rev. Bryol. Lichénol. 6: 205 (1933)Teloschistes concolor subsp. effusus (Tuck.) Fink, Contr. U.S. natnl. Herb. 14(1): 219 (1910)Teloschistes concolor var. effusa (Tuck.) C.W. Harris, Bryologist 5: 61 (1902)