Achnatherum lettermanii

Taxobox
name = "Achnatherum lettermanii"

---

image_width = 170px
regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Poales
familia = Poaceae
genus = "Achnatherum"
species = "A. lettermanii"
binomial = "Achnatherum lettermanii"
binomial_authority = (Vasey) Barkworth
synonyms = "Stipa lettermanii"

"Achnatherum lettermanii" is a species of grass known by the common name Letterman's needlegrass. It is native to the western United States from California to Montana to New Mexico, where it is a resident of several types of habitat. This is a tufting perennial grass which forms large clumps of erect stems up to about 80 centimeters tall. The leaves are short and slightly curly. The inflorescence is up to about 19 centimeters long and has open branches with few spikelets. Each spikelet is less than a centimeter long but has an awn which can be up to about 2.5 centimeters in length. The awn has two kinks.

External links

* [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8738,8739,8747 Jepson Manual Treatment]
* [http://plants.usda.gov/java/profile?symbol=ACLE9 USDA Plants Profile]
* [http://www.fs.fed.us/database/feis/plants/graminoid/achlet/all.html Ecology]
* [http://herbarium.usu.edu/webmanual/info2.asp?name=Achnatherum_lettermanii&type=treatment Grass Manual Treatment]
* [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Achnatherum+lettermanii Photo gallery]