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Taraxacum officinale

Basic information
Scientific name Taraxacum officinale

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セイヨウタンポポ
Common names Common dandelion,Lion's tooth
Higher taxon Asteraceae, Asterales, Magnoliopsida, Magnoliophyta
Natural range Europe.
Habitat Roadside, Vacancy, farm area, pasture field, lawn field, fruit garden, riverside, etc.
Invasion information
Range in Japan Almost entire Japan Range in Japan
Origin Unknown.
Date The first record in Japan was in 1904, at Hokkaido.
Route Deliberate: Imported as food, cattle feed, etc.
Accidental: With pasture, etc.
Impact Competition and hybridization with native dandelions. Allelopathy. Parasites (insects, fungi, nematodes). Allergen of hay fever.
Affected organism: Native Taraxacum, etc.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries Worldwide. North and South America, Asia, Africa, Oceania.
Reference Notes
  • Ecol Soc Jpn (ed) (2002) Handbook of Alien Species in Japan. Chijinshokan, Tokyo (in Jpn)
  • JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha, Tokyo (in Jpn)
  • Hotta et al. (1989) Useful Plants of the World. Heibonsha, Tokyo (in Jpn)
  • Ministry of the Environment, Japan. The Invasive Alien Species Act (Accessed on 2011-2-25) http://www.env.go.jp/en/nature/as.html (in Jpn)
  • Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
  • etc.
Taraxacum officinale complex is listed in 100 of the Japan’s Worst Invasive Alien Species.