Muhlenbergia richardsonis

(Trin.) Rydb.

Soft-leaf Muhly

G5Secure Found in 25 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.133676
Element CodePMPOA481G0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderCyperales
FamilyPoaceae
GenusMuhlenbergia
Other Common Names
mat muhly (EN) Mat Muhly (EN) Muhlenbergie de Richardson (FR)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Rank MethodExpertise without calculation
Review Date2016-05-13
Change Date1990-02-15
Edition Date1998-01-01
Edition AuthorsRawinski, T.
Range Extent>2,500,000 square km (greater than 1,000,000 square miles)
Number of Occurrences81 to >300
Rank Reasons
Habitat quite rare in E. North America; presumed secure in W. U.S.; but status information needed from these states. EGR supports GRANK of G4 (84-10-05).
Range Extent Comments
Canada: S. Yukon Ter. - Northwest Ter., British Columbia to Manitoba, Ontario to New Brunswick. United States: Minnesota-Washington, California, Idaho, New Mexico, Color- ado, Nebraska, Michigan, Maine; reported from Ohio--extant?
Occurrences Comments
Rare in E. N.A.; presumed more frequent in W. U.S.; listed as rare in Yukon, New Brunswick; threatened in MI (6 EOs).
Threat Impact Comments
Pops. have been destroyed by hydro-electric dam projects; more pressure in this area can be expected.
Ecology & Habitat

Habitat

East: dry to seepy gravelly or rocky riverbanks, calcareous substrates. West: dry prairies and gravelly lake shores.
Other Nations (2)
United StatesNNR
ProvinceRankNative
NevadaS4Yes
NebraskaS1Yes
MontanaS4Yes
WisconsinS1Yes
South DakotaSNRYes
New MexicoSNRYes
WyomingS4Yes
OhioSNRYes
ArizonaSNRYes
MinnesotaSNRYes
UtahSNRYes
MichiganS2Yes
CaliforniaSNRYes
MaineS3Yes
North DakotaSNRYes
WashingtonSNRYes
IdahoSNRYes
OregonSNRYes
ColoradoS3Yes
CanadaN5
ProvinceRankNative
AlbertaS5Yes
SaskatchewanS4Yes
QuebecS3Yes
ManitobaS3Yes
Yukon TerritoryS2Yes
British ColumbiaS5Yes
New BrunswickS3Yes
OntarioS3Yes
Northwest TerritoriesS4Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (25)
California (19)
AreaForestAcres
Birch CreekInyo National Forest28,816
Black CanyonInyo National Forest32,421
Boundary Peak (CA)Inyo National Forest210,884
Chineese Camp (CA)Humboldt-Toiyabe National Forest4,339
Devil's Gate (CA)Humboldt-Toiyabe National Forest9,946
Dinkey LakesSierra National Forest34,171
Grouse LakesTahoe National Forest19,085
Halfway CampHumboldt-Toiyabe National Forest52
Hoover - Mt.olsenHumboldt-Toiyabe National Forest624
Hoover - NorthHumboldt-Toiyabe National Forest1,574
Hoover - Virginia LksHumboldt-Toiyabe National Forest5,050
Iceberg - Mill CreekHumboldt-Toiyabe National Forest26,988
Long MeadowHumboldt-Toiyabe National Forest11,967
Mt. JacksonHumboldt-Toiyabe National Forest20,721
Mt. OlsenInyo National Forest2,161
Rock Creek WestInyo National Forest3,626
Sweetwater (CA)Humboldt-Toiyabe National Forest19,241
Table Mtn.Inyo National Forest4,215
Wheeler RidgeInyo National Forest15,744
Montana (2)
AreaForestAcres
Tash PeakBeaverhead-Deerlodge National Forest61,312
West Big HoleBeaverhead-Deerlodge National Forest133,563
Nevada (3)
AreaForestAcres
Boundary Peak (NV)Inyo National Forest21,851
Pearl PeakHumboldt-Toiyabe National Forest71,405
SugarloafInyo National Forest11,534
Oregon (1)
AreaForestAcres
BearwallowsDeschutes National Forest7,317
References (1)
  1. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.