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Aster subulatus

Basic information
Scientific name Aster subulatus

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ホウキギク
Common names Annual salt-marshaster, Bushy starwort
Higher taxon Asteraceae, Asterales, Magnoliopsida, Magnoliophyta
Natural range North America.
Habitat Farm area, fruit garden, roadside, vacancy, swamp, riverside, etc.
Invasion information
Range in Japan Almost entire Japan Range in Japan
Origin Unknown.
Date The first record was in 1910s, at riverside of Yodo River, Osaka.
Route Accidental: Details unknown.
Impact Potentially: Competition with native species and crops.
Affected organism: Native grasses, crops.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries South America, Africa, Asia, Oceania.
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)
  • Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
  • etc.