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(First upload on December 28 2012. Last on November 12 2024) [ 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 firstly reported from Aichi Prefecture in 1940s invasive species

Habitat: farmland, along rice field, pasture field, roadside, vacancy, lawn field, etc. Seed dispersal: wind Chromosome number: 2n = 20

Andropogon virginicus in Japan

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4 5 6
[1] near a ditch at a parking lot in front of the arrival gate of Kobe Airport on September 18 2012. [2] in Tokiwa Bridge Park, Tokyo, on November 6 2024. [3-5] 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. Records: in the Aso Shrine in Kumamoto City, Kyushu, on December 18 2024.