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  3. Sorghum halepense

Sorghum halepense

Basic information
Scientific name Sorghum halepense

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Common names Johnsongrass
Higher taxon Poaceae, Poales, Liliopsida, Magnoliophyta
Natural range Mediterranean coastal Europe.
Habitat Crop field, urban area, riverside, etc.
Invasion information
Range in Japan Honshu, Shikoku, and Kyushu Islands. Range in Japan
Origin Unknown.
Date Spread since 1945.
Route Accidental: Details unknown
Impact Competition with native and crop plants. Hybridization with congeneric crop plants (sorghum).
Affected organism: Native and crop plants.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries Temperate to tropical region in the world.
Reference Notes
  • Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Tokyo (in Jpn)
  • etc.