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 |