(First upload on November 19 2015. Last on December 22 2022) [ 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) > Asteraceae (キク科) > Cirsium arvense
Cirsium Mill. (アザミ)Seiyoutoge-azami (セイヨウトゲネアザミ, 西洋棘薊), Canada thistle (USDA), or creeping thistleLife form: tall perennial forb Distribution: native to Europe (north to Kinki District in Japan) Habitat: roadsides and grasslands HUSTEP, introduction to Environmental Earth Science Stem: hairReproduction: seed and vegetative |
Synonyms:
Breea arvensis (L.) Less. var. integrifolium Wimm. et Grabowski (エゾノキツネアザミ), applied in China → C. setosum (Willd.) M.Bieb.f. albiflorum (Redf.) R. Hoffm. (シロバナセイヨウトゲアザミ) |
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[1/2] at a southern part of the Graduate School of Health Sciences of Hokkaido University on August 25 2022. [3-5] at Sakushu-Kotoni River (サクシュコトニ川) near Japanese archery training hall, Hokkaido University. [1-3] on August 22 2015. [4/5] on August 7 2018. [6-9] in a clear-cut open land along O-sawa Course in Nopporo Forest Park on July 17 2021.