Top
Header

(First upload on November 19 2016. Last on February 11 2022) [ 日本語 | English ]

Athyrium yokoscense (Franch. et Sav.) Christ






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

Athyrium Roth (メシダ)
Hebino-negoza (ヘビノネゴザ, 蛇ノ寝茣蓙/蛇ノ寝御座)
Kanayamashida (カナヤマシダ): establishing well on heavy-metal soils
Lifeform: summergreen fern, developing short rhizomes
Distribution: central and eastern China - Manchuria - Amur - Siberia - Sakhalin - Korea - Japan - southern Kuril

Flora on Mount Koma

Habitat: diverse, e.g., common in forest floors and edges, rocky sites, and post-mined sites
Morphology: highly variable
Chromosome number: n = 40
Synonyms:

Athyrium yokoscense (Franch. et Sav.) Christ var. fauriei (Christ) Tagawa
Athyrium fauriei (Christ) Makino

f. alpicola (Hiyama) Hiyama ex Namegata et Sa. Kurata (タカネヘビノネゴザ)
f. dilatatum (Tagawa) Sa. Kurata (ヒロハヘビノネゴザ)
索引

Athyrium yokoscense in Japan


ST1 ST2 ST3
ST4 ST5 ST6
ST7 ST8 ST9
[1] on the middle slope of Mount Mashu, eastern Hokkaido, on June 26 2019. [2/3] in a foerst at the second station on Mount Apoi (アポイ岳), central southern Hokkaido, on June 15 2016. [4-6] at Tarumae Service Aera along Hokkaido Expressway on September 11 2017. [7] on the southwestern slope of Mount Koma, southern Hokkaido, on September 8 2020. [8/9] along a trail in Togendai, Hakone, central Honshu, on August 21 2021. Records: near the former skislope for the Winter Olympic Games on Mount Eniwa beside Shikotsu Lake on August 27 2022.

フッター