Cabomba caroliniana

Basic information
Scientific name	Cabomba caroliniana	Click to magnify
Common names	Fanwort, Carolina Water Shield
Higher taxon	Cabombaceae, Nymphaeales, Magnoliopsida, Magnoliophyta
Natural range	North America.
Habitat	Lake or pond, stream.

Invasion information
Range in Japan	Honshu, Shikoku, Kyushu Islands.
Origin	USA
Date	Introduced to Tokyo (Koishikawa Botanical Garden) in 1929. Naturalized around Tokyo, in 1950.
Route	Deliberate: As ornament in aquarium.
Impact	Competition with native species. Native organism(s) affected: Native aquatic plants.
Regulation in Japan	Release of this species is prohibited in Aichi Pref.
Introduced range in other countries	East Asia, Europe.

Reference

Notes

DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki, Tokyo. (in Jpn)
Murakami & Washitani (supervising) Ecol. Soc. Japan (ed) (2002) Handbook of Alien Species in Japan. Chijin-Shokan, Tokyo. (in Jpn)
Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka.
JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha, Tokyo. (in Jpn)
etc.