Verbatim text: Viane, R. L. 1986. Taxonomical significance of the leaf indument in Dryopteris (Pteridophyta): I. Some North American, Macronesian and European taxa. Pl. Syst. Evol. 153: 77--105.
Author: Viane, R.L.
Year: 1986
Title: Taxonomical significance of the leaf indument in Dryopteris (Pteridophyta): I. Some North American, Macronesian and European taxa
Journal: Pl. Syst. Evol
Volume: 153
Pages: 77–105