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(First upload on December 28 2012. Last on November 28 2018) [ 日本語 | English ]

Andropogon L. (メリケンカルカヤ) Merikenkarukaya (メリケンカルカヤ, 米利堅刈萱), broomsedge bluestem (and others) Lifeform: weedy, turfed, perennial grass Distribution: native to southwestern North America immigrated to western and central Japan, invasive species to various countries reported from Aichi Prefecture in 1940s invasive species

Habitat: arable lands (open spaces), croplands, etc. Seed dispersal: wind

Andropogon virginicus in Japan

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[1] near a ditch at a parking lot in front of the arrival gate of Kobe Airport on September 18 2012. [2-5] along the inner moat of Edo Castle (江戸城), Tokyo, on October 19 2018. [6] along an unpaved road in Kyoto Botanical Gardens, western Japan, on September 18 2022.