Pascopyrum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Supertribe: Triticodae
Tribe: Triticeae
Genus: Pascopyrum
Á.Löve
Species:
P. smithii
Binomial name
Pascopyrum smithii

Pascopyrum is a monotypic genus of grass containing the sole species Pascopyrum smithii, which is known by the common names western wheatgrass and red-joint wheatgrass, after the red coloration of the nodes. It is native to North America.

Distribution

This is a sod-forming rhizomatous perennial grass which is native and common throughout most of North America. It grows in grassland and prairie in the Great Plains, where it is sometimes the dominant grass species. It is the state grass of North Dakota, South Dakota, and Wyoming.

Ecology

It is a valuable forage for animals such as bison and black-tailed prairie dogs, and it is good for grazing livestock.[1] It is used for revegetation of disturbed and overgrazed habitat, and many cultivars have been developed to suit various conditions,[1] including low-maintenance lawns. Wheatgrass generally tolerates mowing to four inches, but does not tolerate shade. Healthy stands may crowd out other species, making it more suitable for monoculture plantings.

References


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