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(First upload on August 31 2012. Last on October 15 2019) [ 日本語 | English ]

Calamagrostis Adans. (ノガリヤス) Iwanogariyasu (イワノガリヤス, 岩野刈安), Langsdorf reedgrass Nemurogaya (ネムロガヤ, 根室茅) Lifeform: stolonigerous perennial grass Distribution: Europe - northeastern Asia, including northern Japan Habitat: various habitats, such as roadsides, grasslands, forest edges and wetlands between coast side and subalpine Chromosome number: 2n = 28, 48, 56 or 59 Synonyms: Calamagrostis canadensis (Michx.) P. Beauv. var. langsdorfii (Link) Inman (adopted by Kitamura 1964)

Calamagrostis langsdorfii (Link) Trin. (adopted by Ohwi & Kitagawa 1983) Deyeuxia langsdorffii (Link) Kunth Deyeuxia purpurea auct. non (Trin.) Kunth Calamagrostis langsdorfii (Link) Trin. var. punctulata Ohwi C. canadensis (Michx.) P. Beauv. ssp. canadensis ssp. langsdorfii (Link) Hultén, often used, syn. C. purpurea (Trin.) Trin. ssp. langsdorfii (Link) Tzvelev

Calamagrostis purpurea in Hokkaido

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[1-3] in Abira wetland on July 16 2012. [4] on a site for field training in the Shibecha Experimental Forest of Kyoto University, eastern Hokkaido, on June 27 2019. [5] near Akanuma (Red Pond) in Kushiro Wetland, eastern Hokkaido, on August 30 2014. [6] along a walkboard near Sarobetsu Wetland Center, northern Hokkaido, on August 27 2015. Records: in Jinchuan wetland, northeastern China, on June 11 2017. On the middle slope of Mount Mashu, eastern Hokkaido, on June 26 2019. At the parking lot of Shiretoko Pass, eastern Hokkaido, on August 29 2020.