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(First upload on October 4 2009. Last on October 1 2023) [ 日本語 | English ]

Polygonum L. (タデ) Mizuhiki (ミズヒキ, 水引), jumpseed Lifeform: perennial forb Distribution: East Asia (Himalayas - Japan), North America Habitat: woods and thickets Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Synonyms: Antenoron filiforme (Thunb.) Roberty et Vautier Persicaria filiformis (Thunb.) Nakai ex W. T. Lee Polygonum virginianum L. var. filiforme (Thunb.) Nakai Polygonum filiforme Thunb. var. smaragdinum (Nakai ex F. Maekawa) Ohwi f. albiflorum Makino (ギンミズヒキ), white flower

Polygonum filiforme in Hokkaido

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[1] on a trail adjacent to Toyonaka Park along Shojin River, Sapporo, on September 18 2021. [2] at Toya Lake Experimental Station, Hokkaido University, on September 8 2009. [3] at a small flower garden in N8/W7, North Ward, Sapporo, on September 30 2023. [4-6] in Tsukiura Forest Park faced to Toya Lake. [4/5] on September 15 2015. [6] on September 4 2018. [7] ground surface was completely covered with this species in front of Graduate School of Health Sciences, HU, on October 18 2022. Records: near the former skislope for the Winter Olympic Games on Mount Eniwa beside Shikotsu Lake on August 27 2022.