sword fern - Polystichum munitum. Identification and characteristics

Описание к видео sword fern - Polystichum munitum. Identification and characteristics

Coastal Indicator Plants of British Columbia.
Polystichum munitum - sword fern.
University of British Columbia - Faculty of Forestry.
Illustration Credit: Hitchcock, C. Leo, and Arthur Cronquist. Flora of the Pacific Northwest: An Illustrated Manual © 1973. Reprinted with permission of the University of Washington Press.

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