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(First upload on December 28 2008. Last on June 27 2020) [ 日本語 | English ]

Nuphar Sibth. et Sm. (コウホネ) Kouhone (コウホネ, 河骨), cow lily (s.l.) Lifeform: perennial forb Distribution: Korea - Japan Field trip: Nature on lakes, volcanoes, sea and forests (フィールド体験研修 海と湖と火山と森林の自然)

Habitat: halophyte (ponds, lakes, shallow streams, etc.) ⇒ wetland (湿原) var. saijoensis Shimoda (サイジョウコウホネ) f. rubrotincta (Casp.) Kitam. (ベニコウホネ)

Nuphar japonica in Hokkaido

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[1/2] in Otarumappu Pond near Tomakomai City, Hokkaido, Japan, in the summer of 1987 (or 1986). [3] along a tiny trail for looking around small islands in O-numa Park, southern Hokkaido, on July 7 2013. [4] in a pond on Tsukiura Forest Park faced to Toya Lake on September 15 2015. [5] in Atsuma wetland where wind powers is planned, central Hokkaido, on June 16 2020.