(First upload on October 29 2012. Last on March 25 2021) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Fern (シダ類) > Equisetaceae (トクサ科) > Equisetum fluviatile
Equisetaceae Michx. ex DC (トクサ)Mizudokusa (ミズドクサ, 水木賊/水砥草), water horsetail/swamp horsetailMizusugina (ミズスギナ, 水杉菜) Lifeform: perennial summergreen fern < 150 cm high ↔ E. hyemale = evergreen Stems are collasped when we touch even gently (comments from Sato) Distribution: the temperate Northern Hemisphere, including northern JapanHabitat: dense colonies in shallow water
Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) |
HUSTEP: Plants and Plant communities in Japan (flora list) Branch: diverse length, i.e., none - short - longStem: smooth surface Chromosome number: n = 108 (Sorsa 1963) Synonyms:
Equisetum limosum L. (common scientific name in Japan) |
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[1/2] Hokkaido. [1] in Abira wetland, central Hokkaido, on July 16 2012. [2] in Onneto Lake, eastern Hokkaido, on June 25 2013. [3] near Akanuma (Red Pond), Kushiro Moor, eastern Hokkaido, on June 28 2015. [4] Alaska. at a artificial pond that was established for gold mining, near Poker Flat Research Range, on August 18 2013. [5] in Sandaohu peatland, Jilin Province, northeastern China, on June 11 2017. [6] at a ditch on the bottom of Tomamu skislope, Shimukappu Village, central Hokkaido, on July 20 2012.