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(First upload on August 31 2016. Last on April 26 2023) [ 日本語 | English ]

Carex L. (スゲ) Section Acutae (アゼスゲ) C. thunbergii Steud. Lifeform: perennial sedge Distribution: Sakhalin - Kuril - Japan (Hokkaido - Kyushu) var. thunbergii Azesuge (アゼスゲ, 畔菅), Maui sedge Lifeform: sparsely-turfed Habitat: grassy marshlands, more in highlands Synonyms: Carex gaudichaudiana Kunth var. thunbergii (Steud.) Kük. ex Matsum.

var. appendiculata (Trautv. et C. A. Mey.) Ohwi Ooazesuge (オオアゼスゲ, 大畔菅) Lifeform: forming tussocks Habitat: grassy marshlands, more in lowlands Synonyms: Carex thunbergii Steud. f. appendiculata (Trautv. et C. A. Mey.) T. Koyama Carex koidzumiana Ohwi Carex gaudichaudiana Kunth var. appendiculata (Trautv.) T. Koyama Carex gaudichaudiana Kunth ssp. appendiculata (Trautv.) A. et D. Löve Carex appendiculata (Trautv. et C. A. Mey.) Kük.

Carex thunbergii in Hokkaido

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var. thunbergii (アゼスゲ)

1 2 3
4 5
[1-3] along a forest road in Shimokawa Town, northern Hokkaido, on May 23 2017. [4/5] along a valley in Horomi Path (幌見峠), Sapporo, on June 11 1985 (the specimen, stored in SAPS).

var. appendiculata (オオアゼスゲ)

1 2 3
[1-3] in Takoppe Wetland (Hangandate, 判官館), Niikappu Town, south-central Hokkaido, on June 13 2016.