White beaksedge
Rhynchospora alba (L.) Vahl. [Cyperaceae]
Mikazukigusa (ミカヅキグサ, 三日月草)
Lifeform: turfed perennial sedge
Distribution: widespred din boral regions in the Northern Hemisphere
Habitat: wetland (pioneer species in a post-mined peatland)
Hybrid
Rhynchospora × hakkodensis Mochizuki (ミカヅキグサモドキ)
Rhynchospora Vahl. in Japan
About 400 species in the world
R. alba (L.) Vahl (ミカヅキグサ)
R. boninensis Nakai ex Tuyama (シマイガクサ)
R. brownii Roem. et Schult. (トラノハナヒゲ)
R. chinensis Nees et Meyen var. curvoaristata (Tuyama) Ohwi (ムニンイヌノハナヒゲ)
R. faberi C. B. Clarke (イトイヌノハナヒゲ)
R. fauriei Franch. (オオイヌノハナヒゲ)
R. fujiiana Makino (コイヌノハナヒゲ)
R. malasica C. B. Clarke (ミクリガヤ)
R. rubra (Lour.) Makino (イガクサ)
R. rugosa (Vahl) Gale (イヌノハナヒゲ)
R. yasudana Makino (ミヤマイヌノハナヒゲ)
Rhynchospora alba in Hokkaido
In Sarobetsu Mire. [Left] in a bog on September 20 1989. [Right] in a post-mined peatland on August 16 2003.