United States | | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Alabama | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Arkansas | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Florida | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Illinois | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Indiana | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Kansas | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Kentucky | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Louisiana | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Maryland | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Massachusetts | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Mississippi | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Missouri | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | New Jersey | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
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 | Oklahoma | | 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 | | Flora of North America Editorial Committee | 1993 | Pteridophytes and Gymnosperms | Fl. N. Amer. | 2: i–xvi, 1–475 |
United States | Texas | | 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 |