Lamium purpureum

Basic information
Scientific name	Lamium purpureum	Click to magnify
Common names	Red deadnettle
Higher taxon	Lamiaceae, Lamiales, Magnoliopsida, Magnoliophyta
Natural range	Europe.
Habitat	Farm area, fruit garden, vacancy, roadside, edge of forest, river side, etc.

Invasion information
Range in Japan	Almost entire Japan
Origin	Unknown.
Date	The first record was in 1893 at Komaba, Tokyo.
Route	Accidental introduction (with some vector).
Impact	Competition wotj native species and crops. Parasite (insects, fungi, viruses). Native organism(s) affected: Native plants and crops.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Asia, North America.

Reference	Notes
Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka (in Jpn) Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn) etc.