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 | | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
United States | | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Alabama | | 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 | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Connecticut | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Georgia | | Flora of North America Editorial Committee | 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 | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Maine | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Michigan | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Mississippi | | 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 | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
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 | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
United States | New Hampshire | | Flora of North America Editorial Committee | 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 | New York | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | North Carolina | | Flora of North America Editorial Committee | 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 | Ohio | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
United States | Ohio | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Pennsylvania | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Rhode Island | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | South Carolina | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Tennessee | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
United States | Tennessee | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Vermont | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Virginia | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | West Virginia | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |