View source for Reference:Wagner1971a


		{{Reference
		| entryid=wagner1971a
		| titleid=Reference:wagner1971a
		| checksum=24505db82410617661b43d076a13e7f2
    		| verbatimtext=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.
    		| pages=147–192
    		| journal=[Virginia Polytechnic Inst. and State Univ., Res. Div. Monogr
    		| volume=2
    		| unmatched-year=1971.
    		| source=The Distributional History of the Biota of the Southern Appalachians. Part 2
    
    		| address=Flora. Blacksburg, Va
  
		}}