Lichenoth. Univers., Fasc. 5: no. 222 (1886).
Basionym: Peltigera canina var. extenuata Nyl. ex Vain., Meddn Soc. Fauna Flora Fenn. 2: 49 (1873).
Distribution Database: Distributions
Distribution Database: Discover Life
Picture Database: Tropical Lichens
Molecular Database: Genbank
Synonym Database: Index Fungorum
Synonym Database: Mycobank