References

For Pellaea

Gastony, G.J. 1988. The Pellaea glabella complex: electrophoretic evidence for the derivations of the agamosporous taxa and a revised taxonomy. Amer. Fern. J. 78: 44-67. Google Scholar

Gastony, G.J., and D.R. Rollo. 1998. Cheilanthoid ferns (Pteridaceae: Cheilanthoideae) in the southwestern United States and adjacent Mexico – a molecular phylogenetic reassessment of generic lines. Aliso 17: 131-144. Google Scholar

Gastony, G.J., G. Yatskievych, and C.K. Dixon. 1992. Chloroplast DNA restriction site variation in the fern genus Pellaea: phytogenetic relationships of the Pellaea glabella complex. Amer. J. Bot. 79: 1072-1080. Google Scholar

Heafner, K.D. 2001. Pellaea wrightiana Hooker (Pteridaceae) in North Carolina revisited with a new record for eastern North America and a key to Pellaea species in the Carolinas. Castanea 66: 319-326. Google Scholar

Tryon, Tryon, & Kramer. 1990. In Kramer, K.U., and P.S. Green. 1990. Pteridophytes and Gymnosperms. In K. Kubitzki, ed., The families and genera of vascular plants. Springer-Verlag, Berlin. Google Scholar

Wagner, W. H. 1965. Pellaea wrightiana in North Carolina and the question of Its origin. J. Elisha Mitchell Sci. Soc. 81(2): 95-103. Google Scholar

Windham, M.D. 1993c. Pellaea. In Flora of North America Editorial Committee. 1993b. Flora of North America north of Mexico. Volume 2, pteridophytes and gymnosperms. Oxford Univ. Press, New York, NY. 475 pp. Google Scholar

Windham, M.D., L. Huiet, J.S. Metzgar, T.A. Ranker, G. Yatskievych, C.H. Haufler, and K.M. Pryer. 2022. Once more unto the breach, dear friends: resolving the origins and relationships of the Pellaea wrightiana hybrid complex. Am. J. Bot. 109(5): 1–-0. https://doi.org/10.1002/ajb2.1850 Google Scholar