Diarrhena americana

Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Liliopsida
Subclassis: Commelinidae
Ordo: Poales
Familia: Poaceae
Subfamilia: Pooideae
Tribus: Diarrheneae
Genus: Diarrhena
Species: Diarrhena americana

Diarrhena americana, also known as American beak grass or American beakgrain, is a native, perennial grass of North America,[1], where it grows in rich, moist woodlands from Missouri to Maryland and south to Oklahoma and Alabama. [2] It is considered to be threatened in Michigan, and is listed as endangered in Maryland and Wisconsin. [3] Culms range from 60–131 cm in height.

Synonyms

* Diarina festucoides Raf.
* Korycarpus arundinaceus Zea ex Lag.

References

1. ^ "Diarrhena americana 'Beauv.'". http://web4.msue.msu.edu/mnfi/abstracts/botany/Diarrhena_americana.pdf. Retrieved 2009-05-30. [dead link]
2. ^ "Utah State University: Intermountain Herbarium". http://herbarium.usu.edu/webmanual/info2.asp?name=Diarrhena_americana&type=treatment. Retrieved 2010-06-05.
3. ^ "USDA plant database". http://plants.usda.gov/java/profile?symbol=DIAM. Retrieved 2009-05-30.

* Brandenburg, D.M., J.R. Estes, and S.L. Collins. 1991. A revision of Diarrhena (Poaceae) in the United States. Bull. Torrey Bot. Club 118:128–136.
* Koyama, T. and S. Kawano. 1964. Critical taxa of grasses with North American and eastern Asiatic distribution. Canad. J. Bot. 42:859–864.
* Tateoka, T. 1960. Cytology in grass systematics: A critical review. Nucleus (Calcutta) 3:81–110.