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Nuttallanthus canadensis

Basic information
Scientific name Nuttallanthus canadensis

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Common names Oldfield toadflax, Blue toadflax, Canada toadflax
Higher taxon Scrophulariaceae, Scrophulariales, Magnoliopsida, Magnoliophyta
Natural range North America
Habitat Roadside, urban area, lawn field, etc.
Invasion information
Range in Japan Kanto, Hokuriku, to central and western Japan. Range in Japan
Date 1941. The first locality in Japan was Kyoto.
Regulation in Japan
Introduced range in other countries South America, Australia, etc.
Reference Notes
  • Encyclopedia of Life (Accessed on 2011-05-02)
  • Ogaito, H. (2011, pers. comm., observation on microhabitat in several sites of Hyogo and Mie Pref.)
  • Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka (in Jpn)
  • etc.