Canada | | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
Canada | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
Canada | British Columbia | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
Canada | British Columbia | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
Canada | Quebec | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |
United States | | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
United States | | | Anonymous | 1986 | (none) | List-Based Rec., Soil Conserv. Serv., U.S.D.A. | |
United States | Illinois | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | Iowa | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | Kentucky | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | Minnesota | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
United States | Nebraska | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | New Mexico | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
United States | New Mexico | | Fernald, M. | 1950 | (none) | Manual (ed. 8) | i–lxiv, 1–1632 |
United States | Ohio | | Gleason, H. A. & A. J. Cronquist | 1968 | The Pteridophytoa, Gymnospermae and Monocotyledoneae | Ill. Fl. N.E. U.S. | 1: 1–482 |
United States | Texas | | Correll, D. S. & M. C. Johnston | 1970 | (none) | Man. Vasc. Pl. Texas | i–xv, 1–1881 |