(First upload on August 21 2016. Last on March 23 2021) [ 日本語 | English ]

Ixeris stolonifera A. Gray

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

Ixeris Cass. (ニガナ)
Iwanigana (イワニガナ, 岩苦菜), creeping lettuce
Jishibari (ジシバリ, 地縛リ)
Life form: short, perennial forb
Distribution: China - Korea - Japan
Habitat: sunny sites, such as grasslands, crop fields and roadsides

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

var. capillaris (Nakai) T. Shimizu (ミヤマイワニガナ), alpine type
Synonyms (discarded):

- ssp. capillaris (Nakai) Kitam.
- f. capillaris (Nakai) Ohwi

f. albiflora Sugim. (シロバナイワニガナ)
f. sinuata (Makino) Ohwi (キクバヂシバリ)

Ixeris stolonifera in Hokkaido

[1/2] along Shunbetsu River, south-central Hokkaido, on June 14 2016. [3] on the summit of Mount Usu on June 27 2012. The specimen is stored in SAPS.