Accepted By:
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Abrams, L. 1923. Ferns to Birthworts. 1: 1–557. In L.R. Abrams (ed.) Ill. Fl. Pacific States. Stanford University Press, Stanford.
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Cody, W. J. 1996. Fl. Yukon Terr. i–xvii, 1–669. NRC Research Press, Ottawa.
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Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
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Flora of China Editorial Committee. 2013. Flora of China (Lycopodiaceae through Polypodiaceae). 2–3:. In C. Y. Wu, P. H. Raven & D. Y. Hong (eds.) Fl. China. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
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Flora of North America Editorial Committee. 1993. Pteridophytes and Gymnosperms. 2: i–xvi, 1–475. In Fl. N. Amer.. Oxford University Press, New York.
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Gleason, H. A. & A. J. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N.E. U.S.. New York Botanical Garden, New York.
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Great Plains Flora Association. 1986. Fl. Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
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Hitchcock, C. H., A. J. Cronquist, F. M. Ownbey & J. W. Thompson. 1969. Vascular Cryptogams, Gymnosperms, and Monocotyledons. 1: 1–914. In C. L. Hitchcock Vasc. Pl. Pacif. N.W.. University of Washington Press, Seattle.
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Hultén, O. E. G. 1968. Flora of Alaska and neighboring territories. i–1008. In Fl. Alaska. Stanford University Press, Stanford.
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Lellinger, D. B. 1985. A Field Manual of the Ferns and Fern Allies of the United States and Canada. 389 pp.
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Moss, E. H. 1983. Fl. Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.
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Petrick-Ott, A. J. 1975. A county checklist of the ferns and fern allies of Kansas, Nebraska, South Dakota, and North Dakota. Rhodora 77: 478–511.
 
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Porsild, A. E. & W. Cody. 1980. Vasc. Pl. Continental Northw. Terr. Canada i–viii, 1–607. National Museum of Natural Sciences, Ottawa.
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Scoggan, H. J. 1978 [1979]. Pteridophyta, Gymnospermae, Monocotyledoneae. 2: 93–545. In Fl. Canada. National Museums of Canada, Ottawa.
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Talbot, S. S., S. L. Talbot & W. B. Schofield. 2006. Vascular flora of Izembek National Wildlife Refuge, westernmost Alaska Peninsula, Alaska. Rhodora 108(935): 249–293.
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Taylor, T. M. C. 1970. Pacific Northwest Ferns and Their Allies. 247 pp.
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Ulloa Ulloa, C., P. Acevedo-Rodríguez, S. G. Beck, M. J. Belgrano, R. Bernal, P. E. Berry, L. Brako, M. Celis, G. Davidse, S. R. Gradstein, O. Hokche, B. León, S. León-Yánez, R. E. Magill, D. A. Neill, M. H. Nee, P. H. Raven, H. Stimmel, M. T. Strong, J. L. Villaseñor Ríos, J. L. Zarucchi, F. O. Zuloaga & P. M. Jørgensen. 2017. An integrated assessment of vascular plants species of the Americas. Science 358: 1614–1617 [Online Suppl. Materials: 1–23 + 1–2497], f. 1–4 [f. S1–5].
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Ulloa Ulloa, C., P. Acevedo-Rodríguez, S. G. Beck, M. J. Belgrano, R. Bernal, P. E. Berry, L. Brako, M. Celis, G. Davidse, S. R. Gradstein, O. Hokche, B. León, S. León-Yánez, R. E. Magill, D. A. Neill, M. H. Nee, P. H. Raven, H. Stimmel, M. T. Strong, J. L. Villaseñor Ríos, J. L. Zarucchi, F. O. Zuloaga & P. M. Jørgensen. 2018 (onwards). An integrated Assessment of Vascular Plants Species of the Americas (Online Updates).
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Welsh, S. L. 1974. Anderson's Fl. Alaska Adj. Parts Canada i–xvi, 1–724. Brigham Young University Press, Provo.
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