Reference:Evans1969a
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Verbatim text: Evans, A. M. 1969. Interspecific relationships in the Polypodium pectinatum-plumula complex. Ann. Missouri Bot. Gard. 55: 193--293.
Author: Evans, A.M.
Year: 1969
Title: Interspecific relationships in the Polypodium pectinatum-plumula complex
Journal: Ann. Missouri Bot. Gard
Volume: 55
Pages: 193–293
BHL link: http://www.biodiversitylibrary.org/part/9259