Spinulose Wood Ferns, Dryopteris, in Western North America
Britton, Donald M. 1923-2012
Article
1972
The Canadian field-naturalist
86
Issue: 3
241--247
New York Botanical Garden, LuEsther T. Mertz Library
English
Ottawa Ottawa Field-Naturalists' Club
DOI: https://doi.org/10.5962/p.343601
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