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Barbarea vulgaris

Basic information
Scientific name Barbarea vulgaris

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ハルザキヤマガラシ
Common names Common yellow rocket, Bitter wintercress
Higher taxon Brassicaceae, Capparales, Magnoliopsida, Magnoliophyta
Natural range Europe.
Habitat Farm area, rice field, grassland, roadside, riverside, etc.
Invasion information
Range in Japan Most of entire Japan Range in Japan
Origin Unknown.
Date The first import was in 1910. The first record of naturalization was in 1960, at Gumma Pref.
Route Accidental: Hitchhiking on imported wheat.;
Deliberate: Sometimes cultured for food;
Impact Competition with native plants and crops. Allelopathy. Parasites (insects, viruses).
Affected organism: Native plants, crops, etc.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries N Africa, Oceania, North America, Aisa.
Reference Notes
  • Ministry of the Environment, Japan. The Invasive Alien Species Act (Accessed on 2011-1-11) http://www.env.go.jp/en/nature/as.html (in Jpn)
  • Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka (in Jpn)
  • etc.
100 of the Japan’s Worst Invasive Alien Species