Basic information | ||
Scientific name | Wolffia globosa | (No picture) |
Major synonym | Wolffia arrhiza | |
Common names | Rootless duckweed | |
Higher taxon | Araceae, Alismatales, Liliopsida, Magnoliophyta | |
Natural range | S Europe. | |
Habitat | Lake or pond, rice field. |
Invasion information | ||
Range in Japan | Kanto and Hokuriku District to western Japan | |
Origin | Unknown. | |
Date | Late 19C or early 20C | |
Route | Accidental: with unknown vector | |
Impact | Competition with native plants and rice. Host for insects and fungi. Native organism(s) affected: Native aquatic plants, rice, etc. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | C-S Europe, Africa, Tropical Asia, Oceania, South and Latin America |
Reference | Notes |
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