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(First upload on January 29 2013. Last on September 20 2020) [ 日本語 | English ]

Scirpus L. (ホタルイ) S. wichurae Böck. Aburagaya (アブラガヤ, 油萱, s.l.), long pine-cone bulrush Lifeform: large, perennial sedge < 2 m high Distribution: east Asia, including Japan Habitat: open, wet sites Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) Variety: controversial due to diverse morphology → many synonyms

ssp. asiaticus (Beetle) T. Koyama (エゾアブラガヤ): globular spicule (syn. S. asiaticus Beetle) var. lushanensis (Ohwi) T. Koyama (チュウゴクアブラガヤ) f. cylindricus (Makino) Nemoto (シデアブラガヤ): spiring spicule f. concolor (Maxim.) Ohwi (アブラガヤ, s.s.) f. wichurae (アイバソウ): 2n = 66

Scirpus wichurae in Hokkaido

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ssp. asiaticus

1 2 3
[1/2] in Abira wetland, central Hokkaido, on July 16 2012. [3] in Shibetsu wetland, eastern Hokkaido, on Augsut 28 2020. Records: along a walkboard in a post-mined peatland near Sarobetsu Visitor Center, northern Hokkaido, on August 13 2021.

f. concolor

1 2 3
[1/2] on Tomamu skislope on July 19 2012. [3] in a post-mined peatland, Sarobetsu mire, northern Hokkaido, on July 23 2014. Records: at a parking lot near Moiwa skislope along a trail to Mount Moiwa (藻岩山) on June 22 2021.