| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Muhlenbergia ×curtisetosa | ||||
| Poaceae | Muhlenbergia ×involuta | Canyon Muhly | Washes and arroyos in xeric limestone prairies and savannas, canyons, and slopes. | C. and e. Texas to nc. Texas. | |
| Poaceae | Muhlenbergia arenicola | Sand Muhly | Dry prairies. | C. Kansas, c. Oklahoma, and c. (and rarely se.) Texas west to Arizona, south into Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí, Sonora, Tamaulipas, Zacatecas); also disjunct in nw. Argentina. | |
| Poaceae | Muhlenbergia asperifolia | Alkali Muhly, Scratchgrass | Moist calcareous soils, wetlands, lawns. | Reported east and south to Maryland, Pennsylvania, n. Kentucky, and Ohio (Kartesz 1999, 2010, 2020), west to n. Mexico (Baja California, Chihuahua, Coahuila, Durango, Jalisco, San Luis Potosí, Sonora); s. South America. | ![]() (c) Berger, Matt - CC-BY |
| Poaceae | Muhlenbergia bushii | Bush's Muhly, Nodding Muhly | Wet oak flatwoods, bottomlands, and other (at least seasonally) moist forests, especially over calcareous substrates. | Indiana west Iowa, south to Nebraska and Texas; apparently disjunct eastward in scattered localities, including Virginia. The Louisiana specimen is apparently questionable. | ![]() (c) Keith, Eric - CC-BY-NC, permission granted to NCBG |
| Poaceae | Muhlenbergia capillaris | Hairgrass, Hair-awn Muhly | In the Piedmont and Interior Low Plateau primarily in clayey or thin rocky soils (especially in areas which formerly burned and were prairie-like) and in open woodlands; in the Coastal Plain in pine savannas, sandhills, dry woodlands, and coastal grasslands (where sometimes in close proximity with M. sericea); in the Mountains around calcareous rock outcrops; sandy prairies westwards. | Massachusetts, New York, s. Ohio, s. Indiana, s. Illinois, Missouri, and e. Kansas south to s. Florida, Louisiana, and c. and s. Texas; montane Mexico. | ![]() (c) Fleming, Gary P. |
| Poaceae | Muhlenbergia cuspidata | Plains Muhly | Dolomite and limestone palisade cliffs, other dry rocky slopes. | Michigan, Minnesota, Manitoba, Saskatchewan, and Alberta, south to nw. Arkansas, Oklahoma, and New Mexico; scattered eastward as disjuncts in Tennessee, Kentucky, Ohio, Indiana, Pennsylvania, and Virginia. The Virginia occurrences are on dolomite and limestone palisade cliffs along the Clinch, New, Roanoke, and Shenandoah rivers. | ![]() (c) Marcum, Paul |
| Poaceae | Muhlenbergia diversiglumis | ||||
| Poaceae | Muhlenbergia emersleyi | Bull Muhly | Reported as introduced in North Carolina (Kartesz 1999) from its native range in Texas, New Mexico, Arizona, and Mexico, based on a specimen at the UNC Herbarium. However, the specimen makes clear that it was cultivated at a Soil Conservation Service test nursery; there is no evidence that the species is established in our area | ![]() (c) Reala, Matt - CC-BY-NC, permission granted to NCBG | |
| Poaceae | Muhlenbergia expansa | Savanna Hairgrass | Pine savannas, pine flatwoods, mesic areas in sandhill-pocosin ecotones. | Se. Virginia south to Florida, west to e. Texas (nearly exactly the range of Pinus palustris). | ![]() (c) Sorrie, Bruce A. - CC-BY |
| Poaceae | Muhlenbergia frondosa | Smooth Wirestem Muhly, Satin Grass | Barrens, prairies, floodplain forests, riverbanks, scour prairies, and moist disturbed areas. | North Carolina, Ontario, and North Dakota south to e. North Carolina, nw. South Carolina, ne. Georgia, n. Alabama, n. Mississippi, ne. Louisiana, and ne. Texas. | ![]() (c) Fleming, Gary P. |
| Poaceae | Muhlenbergia glabrifloris | Clay-pan Muhly, Smooth Muhly | Barrens, open oak flatwoods, other open habitats, in clayey soils. | Virginia and North Carolina west to Iowa, Missouri, Alabama, and Texas, local and apparently rare in all of that range. In North Carolina, only known from one collection, that from Durham County in 1936, with vague habitat data. Fernald (1950) described the habitat as "dry exsiccated or baked soils, prairies, gravels or rocky slopes," Pohl (1969) as "mostly on low ground, in shade on heavy clay soils." | ![]() (c) Marcum, Paul |
| Poaceae | Muhlenbergia glomerata | Spiked Muhly | Fens and seeps over mafic (amphibolite) or ultramafic (olivine) rocks, including in rocky sites that may appear dry but which receive at least seasonal seepage. | Newfoundland and Labrador (Newfoundland) west to Yukon Territory and British Columbia, south to w. North Carolina, Ohio, Illinois, Iowa, Nebraska, n. New Mexico, Nevada, and Oregon. | ![]() (c) Fleming, Gary P. |
| Poaceae | Muhlenbergia lindheimeri | Lindheimer's Muhly | Creekbanks and moist area over limestone. | C. Texas south into ne. Mexico (Chihuahua, Coahuila, Nuevo León). | |
| Poaceae | Muhlenbergia mexicana | Hairy Wirestem Muhly | Mafic and calcareous fens, seeps, dry rocky woodlands, barrens, outcrops, and disturbed areas, usually over mafic or calcareous substrates. | The epithet is something of a misnomer; the species is largely northern, occurring from Nova Scotia, Ontario, Manitoba, Saskatchewan, and Yukon Territory, south to North Carolina, Tennessee, Arkansas, Texas, New Mexico, Arizona, California, and Mexico (Chihuahua, Durango, Nuevo León). | ![]() (c) Danielson, Erik |
| Poaceae | Muhlenbergia paniculata | Tumble Grass | Dry prairies, salt licks, roadsides. | Manitoba west to British Columbia, south to w. Louisiana, Texas, New Mexico, Arizona, and (?) Mexico. Primarily a species of midwestern prairies and central plains, M. paniculata reaches its furthest eastern extent in Saline County, Illinois, where it is still apparently extant (P. Marcum, pers. comm., 2023). | ![]() (c) Hastings, Anders - CC-BY |
| Poaceae | Muhlenbergia phleoides | Common Wolf's-tail | Grasslands and scrub. | ||
| Poaceae | Muhlenbergia porteri | Bush Muhly | Rocky slopes. | Ec. Texas, Colorado, s. Utah, and s. California south into n. Mexico. | |
| Poaceae | Muhlenbergia racemosa | Marsh Muhly | Bottomland forests, streambanks, mesic to dry-mesic forests. | Ontario west to British Columbia, south to Indiana, s. Illinois, s. Missouri, e. Oklahoma, Texas, New Mexico, Arizona, and n. Mexico (Coahuila, Nuevo León, Tamaulipas). | ![]() (c) Faulkner, Erin - CC-BY-NC, permission granted to NCBG |
| Poaceae | Muhlenbergia repens | Creeping Muhly | Rocky slopes and gravelly flats. | n. Texas west to Utah, south through Texas, New Mexico, and Arizona to s. Mexico. A report from sc. Oklahoma has been dropped as a false report by Kartesz (2022); it is highlighted as slightly disjunct and at its eastern extent on the Edwards Plateau (Peterson 2003b). | |
| Poaceae | Muhlenbergia reverchonii | Seep Muhly, Reverchon's Muhly | Seeps and seasonally moist areas over limestone. | Sc. Oklahoma south to sc. Texas. | |
| Poaceae | Muhlenbergia schreberi | Nimble-Will | Bottomland and other moist forests, dry forests, fields, dirt roads, disturbed areas. | Maine, New York, Ontario, Michigan, Wisconsin, Minnesota, and South Dakota, south to c. peninsular Florida, Louisiana, c. Texas, and Mexico; s. South America. | ![]() (c) Sorrie, Bruce A. - CC-BY |
| Poaceae | Muhlenbergia sericea | Dune Hairgrass, Sweet Grass | Maritime dry grasslands, maritime wet grasslands, interdune swales, low dunes, sometimes edges of freshwater or brackish marshes, northwards in its distribution (in NC and SC) apparently limited to the barrier islands (sometimes in close proximity with M. capillaris), sometimes locally abundant. | North Carolina (slightly north of Oregon Inlet, Dare County, south of Nags Head) south to s. Florida and west to s. Texas, primarily on barrier islands (some portions of the distribution on the Gulf Coast may be by introduction only). | ![]() (c) Horn, Jay |
| Poaceae | Muhlenbergia sobolifera | Rock Muhly | Dry wooded limestone slopes, rock outcrops, and rocky calcareous woodlands and forests. | Maine, Wisconsin, and Kansas south to n. Georgia, n. Alabama, n. Mississippi, and c. Texas. | ![]() (c) Fleming, Gary P. |
| Poaceae | Muhlenbergia sylvatica | Woodland Muhly | Bottomland and other moist forests, calcareous or mafic streambanks, prairies. | Maine and Minnesota south to South Carolina, ne. Georgia, Alabama, Texas, and Mexico (Veracruz). | ![]() © Nathan Aaron |
| Poaceae | Muhlenbergia tenuiflora | Slender Muhly | Moist forests and disturbed areas, up to at least 1400 meters, especially in base-rich soils. | New Hampshire, Wisconsin, and Nebraska south to Georgia, Alabama, Mississippi, and Oklahoma. | ![]() (c) Danielson, Erik |
| Poaceae | Muhlenbergia tenuifolia | Slimleaf Muhly | E. Texas west to New Mexico, s. through Mexico; disjunct in s. South America. Primarily occurring in Trans-Pecos area of w. Texas south and westward; occurring in a few scattered counties in e. and se. Texas (e.g. Nueces and Brazos County; see Shaw et al. 2011). Any reports of this species east of the Mississippi river appear to be in error. | ![]() (c) Irick, Zach - CC-BY-NC, permission granted to NCBG | |
| Poaceae | Muhlenbergia texana | In TX this taxon is confined to the Trans-Pecos (Powell and Worthington 2018); a report from Dallas County, TX (Kartesz 2023) is unlikely to be correct. | |||
| Poaceae | Muhlenbergia torreyana | Pinebarren Smokegrass | In the Coastal Plain in moist soils of depression meadows and clay-based Carolina bays, often under or near Taxodium ascendens, in the Interior Low Plateau and Cumberland Plateau in moist grassy oak savannas. | New Jersey to Georgia in the Coastal Plain, and disjunct in Kentucky (?)and Tennessee; currently known to be extant only in New Jersey, North Carolina, and Tennessee. It was first discovered in North Carolina in 1987. | ![]() (c) Sorrie, Bruce A. - CC-BY |
| Poaceae | Muhlenbergia uniflora | Bog Muhly | Bogs, wet meadows. | Newfoundland and Labrador and Ontario south to s. New Jersey, Maryland, and se. Pennsylvania (Rhoads & Block 2007). | ![]() (c) Wiegersma, Quinten - CC-BY |
| Poaceae | Muhlenbergia utilis | Aparejo Muhly | Seeps and wet areas over limestone. | Texas and California south to s. Mexico (Chiapas) and Costa Rica. |



















