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(First upload on December 8 2012. Last on March 1 2016) [ 日本語 | English ]

Sagina L. (ツメクサ) Tumekusa (ツメクサ, 爪草), Japanese pearlwort Lifeform: annual/perennial forb < 15 cm high Distribution: India - Tibet - Himarayas - China - Taiwan - Korea - Japan Reported the establishment from west and east sides of USA

Habitat: roadsides, parks, crop fields, etc. Field training on integrated environmental research (統合環境調査法実習) (Fauna and flora 出現種リスト) Stamens: 5 or 10 Chromosome number: 2n = 46, 64 Synonyms: Spergula japonica Swartz

Sagina japonica in Japan

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1 2 3
[1] at Fukidashi Park, Kyogoku Town, near Mount Yotei (羊蹄山), on June 26 2012. Marchantia polymorpha was seen on the background. [2] at Yushima Temple (seido), Tokyo, on May 30 2014. [3] in Tsukiura Forest Park faced to Toya Lake on September 15 2015.