(Upload on Feb. 20 2010) [ 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) > Xanthium occidentale
Xanthium L. (オナモミ)O·onamomi (オオオナモミ, 大葈耳), rough cockleburLifeform: annual forb Distribution: originally in the north America (firstly reported in 1929 from Japan) |
Habitat: open fields in urbanized regions
Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) Seed dispersal: external animalPoisonous plant |
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[1-3] in a small, abondoned parking lot at N25/W3, North Ward, Sapporo, on August 30 2010.