Verbascum thapsus

Basic information
Scientific name	Verbascum thapsus	Click to magnify
Common names	Common mullein, Great mullein, aaron's-rod, Flannel mullein
Higher taxon	Scrophulariaceae, Scrophulariales, Magnoliopsida, Magnoliophyta
Natural range	Europe.
Habitat	Farm area, pasture, roadside, vacancy, etc.

Invasion information
Range in Japan	Almost entire Japan. Especially abundant in Tohoku and Hokkaido District.
Origin	Unknown.
Date	ca. 1870
Route	Deliberate: As ornamental plant, and for medicine.
Impact	Competition with native species, crops, pasture, etc. Parasite (insects, fungi) Native organism(s) affected: Native plants, crops, etc.
Regulation in Japan	Import of Verbascum plnats from countries and areas with the potato beetle Leptinotarsa decemlineata are prohibited by the Plant Protection Law.
Introduced range in other countries	North and South Amrica, Australia, Asia

Reference

Notes

Jpn Assoc Advanc Phyto-Regul & Inst Contr Agrochem, Minist Agr, China (2000) Chinese Colored Weed Illustrated Book. Zenkoku-Noson-Kyoiku-Kyokai, Tokyo
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.