Literature Based Distribution
Region
Country
Mapping will be based on a standard reference mark based on political units when available.
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| Canada | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
| Canada | | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| Canada | | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
| Canada | Ontario | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| Canada | Ontario | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
| Canada | Quebec | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Indiana | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Maine | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
| 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 | New Jersey | | 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 | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
| 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 | Pennsylvania | | Lellinger, D. B. | 1985 | A Field Manual of the Ferns and Fern Allies of the United States and Canada | | 389 pp. |
| United States | Wisconsin | | Small, J. K. | 1938 | Ferns of the Southeastern States | | 517 pp. |
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