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(First upload on December 27 2011. Last on December 2 2018) [ 日本語 | English ]

Lepidium L. (マメグンバイナズナ) Mamegunbainazuna (マメグンバイナズナ, 豆軍配薺), Virginia pepperweed Lifeform: annual/biennial forb Distribution: native to North America (exotic to Japan, reported in Meiji Era)

Habitat: disturbed sites, such as roadsides, waste places, etc. Field training on integrated environmental research (統合環境調査法実習) fauna and flora (種リスト) Fruit: wing present ↔ L. apetalum Chromosome number: 2n = 32

Lepidium virginicum in Japan

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[1/2] at an abondoned garden at N15/E2, Sapporo, on November 5 2011. [3] at a playground close to JR Shin-Osaka Station on October 29 2011.

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[4] in front of the former Brich Hotel near Hokkaido University of Educataion, Hakodate City, on July 27 2012. [5/6] at a lawn in front of the office building of Shizunai Experimental Farm of Hokkaido University, south-central Hokkaido, on June 16 2016. [7] at Morappu Camp Site faced to Shikotsu Lake, central Hokkaido, on June 25 2016. [8/9] in front of a convenience store (Shinko Branch of Seico Mart), on August 27 2018.