| Canada | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| Canada | | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| Canada | | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| Canada | Nova Scotia | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| Canada | Nova Scotia | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| United States | | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Alabama | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Arkansas | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Arkansas | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Connecticut | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Delaware | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Florida | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Georgia | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Illinois | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Indiana | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Kentucky | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Kentucky | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Louisiana | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Maryland | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Massachusetts | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Michigan | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Mississippi | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Missouri | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Missouri | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | New Hampshire | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | New Hampshire | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | New Jersey | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | New York | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | New York | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | North Carolina | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Ohio | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Oklahoma | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Pennsylvania | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Rhode Island | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | South Carolina | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Tennessee | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Tennessee | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Texas | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | Virginia | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
| United States | West Virginia | | Flora of North America Editorial Committee, e. | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |