(Upload on February 25 2014) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Fern (シダ類) > Dryopteridaceae (オシダ科) > Dryopteris bissetiana
Yama-itachishida (ヤマイタチシダ, 山鼬羊歯), beaded wood fern
Lifeform: evergreen perennial fern ≈ 1 m in height
Distribution: China - Korea - Japan (not in Hokkaido)
Habitat: forest edges and forest floors
Morphology: Rhizomes, short-creeping rhizomes. Sori, nearer costa than to margin. Indusia, brown, large, reniform, entire or ciliate
Synonyms:
Dryopteris setosa (Thunb.) Akasawa
Dryopteris varia (L.) Kuntze var. setosa (Thunb.) Ohwi
Nephrodium bissetianum Baker (basionym)
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[1-3] at a 6th trail near the Biwa Falls in Mount Takao forest for recreational use (高尾山自然休養林) on Mount Takao (599 m elevation), Tokyo, on October 21 2013