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  3. Cyperus congestus

Cyperus congestus

Basic information
Scientific name Cyperus congestus

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Common names Dense flat sedge
Higher taxon Cyperaceae, Poales, Liliopsida, Magnoliophyta
Natural range S Africa
Habitat Beach, sandy moist place.
Invasion information
Range in Japan Tokyo, Chiba, and Saitama Prefs. Range in Japan
Date The first record in Japan was in 1982 at Tokyo.
Route Accidental: Hitchhiking on some transport.
Impact Competition with native species.
Affected organism: Native grasses.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries Europe, Australia, etc.
Reference Notes
  • Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
  • etc.