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Eriocoma lettermanii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Pooideae
Genus:	Eriocoma
Species:	E. lettermanii
Binomial name
Eriocoma lettermanii (Vasey) Romasch. (2019)
Synonyms
Achnatherum lettermanii (Vasey) Barkworth (1993) Stipa lettermanii Vasey (1886) Stipa minor (Vasey) Scribn. (1898) Stipa occidentalis var. minor (Vasey) C.L.Hitchc. (1969) Stipa viridula var. lettermanii (Vasey) Vasey (1893) Stipa viridula var. minor Vasey (1892)

Eriocoma lettermanii is a species of grass known by the common name Letterman's needlegrass. It is native to the western United States from California and Oregon to Montana and New Mexico, where it is a resident of several types of habitat.

Eriocoma lettermanii is a tufting perennial bunchgrass 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.

References

1. Eriocoma lettermanii (Vasey) Romasch. Plants of the World Online. Retrieved 2 July 2023.
2. "NatureServe Explorer - Achnatherum lettermanii". NatureServe Explorer Achnatherum lettermanii. NatureServe. 2022-06-22. Retrieved 22 Jun 2022.

External links

• Jepson Manual Treatment - Achnatherum lettermanii
• USDA Plants Profile
• Ecology
• Grass Manual Treatment
• Achnatherum lettermanii - Photo gallery

• v
• t
• e

• Eriocoma
• Bunchgrasses of North America
• Native grasses of California
• Grasses of the United States
• Flora of the Great Basin
• Flora of Idaho
• Flora of Nevada
• Flora of New Mexico
• Flora of Oregon
• Flora of the Sierra Nevada (United States)
• Natural history of the Transverse Ranges
• Plants described in 1886
• Pooideae stubs