Verbatim text: Wagner, W. H. Jr. 1971. Evolution of Dryopteris in relation to the Appalachians. In: P. C. Holt, ed. 1971. The Distributional History of the Biota of the Southern Appalachians. Part 2. Flora. Blacksburg, Va. Pp. 147--192. [Virginia Polytechnic Inst. and State Univ., Res. Div. Monogr. 2.]
Author: Wagner, W.H. Jr.
Year: 1971
Title: Evolution of Dryopteris in relation to the Appalachians
Editor: Holt, P.C.
Source: The Distributional History of the Biota of the Southern Appalachians. Part 2
Journal: [[Journal::[Virginia Polytechnic Inst. and State Univ., Res. Div. Monogr]]
Volume: 2
Pages: 147–192