Astragalus ravenii

Barneby

Raven's Milkvetch

G2Imperiled Found in 3 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
LowThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.151731
Element CodePDFAB0F7F0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderFabales
FamilyFabaceae
GenusAstragalus
Synonyms
Astragalus monoensis var. ravenii(Barneby) Isely
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.
Taxonomic Comments
Treated as a species by Barneby (1964), Hickman (1993), Kartesz (1994, 1999), and Baldwin et al. (2012). USFWS treated as A. monoensis var. ravenii (9/93), which is also the name used by Isely (1998).
Conservation Status
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2012-08-15
Change Date2013-08-20
Edition Date1987-06-25
Edition AuthorsBittman, R.L., and J. Shevock, 6/87; rev. B. MacBryde, 9/2000.
Threat ImpactLow
Range Extent<100-250 square km (less than about 40-100 square miles)
Number of Occurrences1 - 5
Rank Reasons
Endemic to the Sierra Nevada crest in Inyo and Fresno Counties, California, where known from few occurrences. Trail maintenance is a threat.
Range Extent Comments
Endemic to Sierra crest in Inyo and Fresno counties, California.
Occurrences Comments
Only 2 element occurrences known [1987?].
Threat Impact Comments
For one occurrence, trail maintenance is a threat (CNDDB 2003)
Ecology & Habitat

Habitat

Astragalus ravenii occurs in alpine boulder and rock fields in red fir forests from 3400 to 3500 m in elevation (FNA 2023, CNPS 2025).
Terrestrial Habitats
Forest/WoodlandForest - ConiferAlpine
Other Nations (1)
United StatesN2
ProvinceRankNative
CaliforniaS2Yes
Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)Yes
Roadless Areas (3)
California (3)
AreaForestAcres
PaiuteInyo National Forest58,712
Rock Creek WestInyo National Forest3,626
TinemahaInyo National Forest27,060
References (10)
  1. Baldwin, B. G., D. H. Goldman, D. J. Keil, R. Patterson, T. J. Rosatti, and D. H. Wilken, eds. 2012. The Jepson manual: vascular plants of California. 2nd edition. University of California Press, Berkeley, CA. 1568 pp.
  2. Barneby, R.C. 1964. Atlas of North American Astragalus. 2 Vols. New York Botanical Garden, Bronx, New York. 1188 pp.
  3. California Department of Fish and Game. 2000. Natural Diversity Database (RareFind 2), Version 2.1.2, January 25, 2000. Downloaded in 2003.
  4. California Native Plant Society (CNPS). 2001. Inventory of Rare and Endangered Plants of California (sixth edition). Rare Plant Scientific Advisory Committee, David P. Tibor, Convening Editor. California Native Plant Society. Sacramento, CA. x + 388pp.
  5. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  6. Isely, D. 1998. Native and naturalized Leguminosae (Fabaceae) of the United States (exclusive of Alaska and Hawaii). Monte L. Bean Life Science Museum, Brigham Young University; MLBM Press, Provo, Utah. 1007 pp.
  7. 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.
  8. Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
  9. Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.
  10. Weeden, N.F. 1996. A Sierra Nevada flora. 4th edition. Wilderness Press, Berkeley, California. 259 pp.