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(First upload on October 20 2014. Last on August 31 2017) [ 日本語 | English ]

Woodsia polystichoides D. C. Eaton






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

索引

Iwadenda (イワデンダ, 岩連朶), holly-fern woodsia
Lifeform: summergreen fern
Distribution: eastern Asia, including Japan
Habitat: sunny slopes and on-rocks, such as stone wall

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Chromosome number: n = 41, 2n = 82 (2x)
Use: gardening
Synonyms (discarded):

Woodsia polystichoides D. C. Eaton var. nudiuscula Hooker
Woodsia polystichoides D. C. Eaton f. veitchii (Hance) Kitag.



Woodsia R. Br. (イワデンダ)


About 30 species in the world
W. commixta Ching (イヌイワデンダ)
W. glabella R. Br. ex Richards. (トガクシデンダ)
W. hancockii Baker (ケンザンデンダ)
W. ilvensis (L.) R. Br. (ミヤマイワデンダ)
W. macrochlaena Mett. ex Kuhn (コガネシダ)

f. glabrata (Nakai) Sugim. (ジョウシュウコガネシダ)

W. manchuriensis Hook. (フクロシダ)
W. nikkoensis H. Ogura et Nakaike (ニッコウデンダ)
W. okamotoi Tagawa (カンザンデンダ)
W. polystichoides D. C. Eaton (イワデンダ)
W. rosthorniana Diels (シラゲデンダ)
W. saitoana Tagawa (サイトウデンダ)
W. subcordata Turcz. (キタダケデンダ)

Woodsia polystichoides in Hokkaido


ST1 ST2
ST3 ST4
[1-3] on a forest edge, Akkeshi Marine Experimental Station, eastern Hokkaido, on July 1 2014. [4] in front of Sankai-no-taki (三階の滝, Triple-floor Falls), central Hokkaido, on June 26 2017.

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