Convolvulus arvensis

Basic information
Scientific name	Convolvulus arvensis	Click to magnify
Common names	Field bindweed，Small bindweed, Field morningglory
Higher taxon	Convolvulaceae, Solanales, Magnoliopsida, Magnoliophyta
Natural range	Europe.
Habitat	Farm area, fruit garden, pasture, roadside, vacancy, etc.

Invasion information
Range in Japan	Almost entire Japan
Origin	Unknown.
Date	Introduced in ca. 1900. Spread within Japan since 1940s.
Route	Deliberate: As ornamental plant. Accidental: With railway transportation of imported crops, spread within Japan
Impact	Competition with native species and crops. Parasite (insects, fungi, viruses, nematodes). Native organism(s) affected: Native grasses and crops.
Regulation in Japan	International trade is legally restricted in Japan.
Introduced range in other countries	North and South America, Oceania, Asia, Europe, Africa.

Reference

Notes

DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki, Tokyo (in Jpn)
Jpn Assoc Advanc Phyto-Regul & Inst Contr Agrochem, Minist Agr, China (2000) Chinese Colored Weed Illustrated Book. Zenkoku-Noson-Kyoiku-Kyokai, Tokyo
JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha, Tokyo (in Jpn)
Ministry of the Environment, Japan. The Invasive Alien Species Act (Accessed on 2011-1-26) http://www.env.go.jp/en/nature/as.html (in Jpn)
Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka (in Jpn)
Satake et al. (1981) Wild Flowers of Japan, Herbaceous Plants [III]. Heibonsha, Tokyo (in Jpn)
Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
etc.