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(Upload on October 1 2017) [ 日本語 | English ]

Polystichum Roth (イノデ) Western swordfern Lifeform: rhizomatous, evergreen fern Distribution: western North America (Alaska - California) Habitat: understory of moist coniferous forests (a well-drained acidic soil of rich humus and small stones)

Sorus: round Synonyms: var. incisoserratum (D. C. Eaton) Underw., discarded

Polystichum munitum in the West Coast

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[1-3] at Yamhill Histric District, Portland, Oregon, on August 9 2017.