Rough bentgrass
Agrostis scabra Willd. [Poaceae]
Ezo-nukabo (エゾヌカボ, 蝦夷糠穂)
Lifeform: perennial grass
Distribution: northern China - Korea - northern Japan - North America
Habitat: grasslands and wetlands, common on the volcano Mount Usu in the early stages after the succession
Seed dispersal: wind
Agrostis L.
Species: Over 100 species in the world
A. avenacea J. F. Gmel. (ナンカイヌカボ)
A. canina L. (ヒメヌカボ)
A. capillaris L. (イトコヌカグサ)
A. clavata Trin. (ヤマヌカボ)
- var. nukabo Ohwi (ヌカボ)
A. dimorpholemma Ohwi (バケヌカボ)
A. flaccida Hack. (ミヤマヌカボ)
A. gigantea L. (コヌカグサ red top, Syn. A. alba L.)
A. hideoi Ohwi (オクヤマヌカボ / ユキクラヌカボ)
A. hyemalis (Walter) Britton, Sterns et Poggenb. (フユヌカボ)
A. mertensii Trin. (コミヤマヌカボ)
A. nigra With. (クロコヌカグサ)
A. nipponensis Honda (ヒメコヌカグサ)
A. scabra Willd. (エゾヌカボ)
A. stolonifera L. (ハイコヌカグサ)
Agrostis scabra on Mount Usu
On the foot of Nishiyama Craters on September 9 2009. Hard to see ... It is easy to understand that this species makes wind-dispersal seeds.