Basionym Name:Pyxine cocoes var. eschweileri Tuck., [as 'cocoës'] Proc. Amer. Acad. Arts & Sci. 12: 167 (1877)
Homotypic synonyms:Phragmopyxine eschweileri (Tuck.) Clem., Gen. fung. (Minneapolis): 175 (1909)Pyxine eschweileri (Tuck.) Vain., Acta Soc. Fauna Flora fenn. 7(no. 1): 156 (1890)Pyxine sorediata var. eschweileri (Tuck.) Tuck., Syn. N. Amer. Lich. (Boston): 80 (1882)