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Home/Species/ Navajo Lake Milkvetch

Astragalus limnocharis

Barneby

Navajo Lake Milkvetch

G2Imperiled Found in 2 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.1142805
Element CodePDFAB0FBU0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderFabales
FamilyFabaceae
GenusAstragalus
Concept Reference
Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins. (Eds). 2015. A Utah flora, fifth edition, revised 2015. Monte L. Bean Life Science Museum, Provo, Utah. 987 pp.
Taxonomic Comments
Welsh et al. (2015) recognize Astragalus montii and Astragalus limnocharis var. tabulaeus as distinct taxa. In contrast, Kartesz (1994, 1999) included A. limnocharis var. tabulaeus in A. limnocharis var. montii.
Conservation Status
Review Date1991-11-07
Change Date1991-07-19
Edition Date1988-12-03
Edition AuthorsJoyal, E., rev. B. Franklin (1996)
Range Extent<100-250 square km (less than about 40-100 square miles)
Number of Occurrences1 - 20
Rank Reasons
A Utah endemic with only a few populations localized in 3 counties in the southwestern part of the state (on the Aquarius and Markagunt plateaus).
Range Extent Comments
Utah, southeast Iron, northwest Kane and Garfield Counties.
Occurrences Comments
Barneby (1964) cites two locations & five collections; Welsh cites three general locations and fourteen collections.
Threat Impact Comments
Recreational use of area may pose threat.
Ecology & Habitat

Habitat

Limestone gravels on high montane lake shores, barren screes, gravel hilltops, and openings in ponderosa and bristlecone pine (Pinus ponderosa and P. longaeva) forests. 2670-3050 m elevation. Associated with Arenaria filiorum.
Terrestrial Habitats
Forest/WoodlandForest - ConiferBare rock/talus/scree
Palustrine Habitats
HERBACEOUS WETLANDRiparian
Other Nations (1)
United StatesN2
ProvinceRankNative
UtahSNRYes
Plant Characteristics
Economic Value (Genus)Yes
Roadless Areas (2)
Utah (2)
AreaForestAcres
HancockDixie National Forest9,809
Lava BedsDixie National Forest14,944
References (4)
  1. Albee, B.J., L.M. Shultz, and S. Goodrich. 1988. Atlas of the vascular plants of Utah. Utah Museum Natural History Occasional Publication 7, Salt Lake City, Utah. 670 pp.
  2. Barneby, R.C. 1989. Fabales. In A. Cronquist, A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren (eds.). Intermountain flora: Vascular plants of the Intermountain West, U.S.A. Vol. 3, Part B. New York Botanical Garden, Bronx. 279 pp.
  3. Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.) 1993. A Utah flora. 2nd edition. Brigham Young Univ., Provo, Utah. 986 pp.
  4. Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins. (Eds). 2015. A Utah flora, fifth edition, revised 2015. Monte L. Bean Life Science Museum, Provo, Utah. 987 pp.