Blechnum spicant (L.) Sm.
|Notes on Mr. Thomas Meehan's Paper on the Plants of Lewis and Clark's Expedition across the Continent, 1804-06|
Elliott Coues (1898) Proceedings of The Academy of Natural Sciences of Philadelphia 50: 291-315
|A list of the ferns and fern allies of North America north of Mexico, with principal synonyms and distribution|
William R Maxon (1901) Proceedings of The United States National Museum 23: 619-651