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(First upload on July 12 2010. Last on July 6 2024) [ 日本語 | English ]

Poa L. (イチゴツナギ) Nagahagusa (ナガハグサ, 長葉草), Kentucky bluegrass Life form: perennial grass Distribution: common in the temperate Northern Hemisphere (extotic to Japan - controversial) Hokkaido Blue List: A3 Habitat: grasslands - roadsides (use for creating lawns in Hokkoaido) Field training on integrated environmental research (統合環境調査法実習) HUSTEP: Plants and Plant communities in Japan (flora list)

Belowground: creeping with runners (→ P. annua, without runners) Chromosome number: 2n = 28, 56, 70, and others ssp. angustifolia/ (L.) Lejeune (ホソバノナガハグサ, s.l.) var. angustifolia (L.) Sm. (ホソバノナガハグサ, s.s.) var. hatusimae (Ohwi) Ohwi (ホクセンナガハグサ) ssp. irrigata (Lindm.) H. Lindb. (ミスジナガハグサ) ssp. pratensis (ナガハグサ) var. hirsuta Asch. et Graebn. (ケナガハグサ)

Poa pratensis in Japan

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[1/2] at a roadside on June 9 2010 at N27/E2, East Ward, Sapporo. [3/4] in the Hokkaido University campus on June 21 2011. [5/6] in a park near JR Nagasaki Station, western Kyushu, on April 16 2017. [7-9] on a wayside near Mikaho Park, East Ward, Sapporo, on May 20 2024.