Roadless Areas
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Allium abramsii

(Ownbey & Aase) McNeal

Abram's Onion

G3Vulnerable Found in 8 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
MediumThreat Impact
Abrams' Allium (Allium abramsii). Photo by sjacobsen13, CC BY 4.0, via iNaturalist.
sjacobsen13, CC BY 4.0
Abrams' Allium (Allium abramsii). Photo by Ryan Donnelly, CC BY 4.0, via iNaturalist.
Ryan Donnelly, CC BY 4.0
Abrams' Allium (Allium abramsii). Photo by Chris Winchell, CC BY 4.0, via iNaturalist.
Chris Winchell, CC BY 4.0
Abrams' Allium (Allium abramsii). Photo by Arvel Hernandez, CC BY 4.0, via iNaturalist.
Arvel Hernandez, CC BY 4.0
Abrams' Allium (Allium abramsii). Photo by sdash, CC BY 4.0, via iNaturalist.
sdash, CC BY 4.0
Abrams' Allium (Allium abramsii). Photo by Trevor Van Loon, CC BY 4.0, via iNaturalist.
Trevor Van Loon, CC BY 4.0
Identity
Unique IDELEMENT_GLOBAL.2.872513
Element CodePMLIL02360
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderAsparagales
FamilyAmaryllidaceae
GenusAllium
Synonyms
Allium fimbriatum var. abramsiiOwnbey & Aase ex Traub
Concept Reference
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.
Conservation Status
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2016-08-16
Change Date2016-08-16
Edition Date2016-08-16
Edition AuthorsBittman, R.
Threat ImpactMedium
Range Extent5000-20,000 square km (about 2000-8000 square miles)
Number of Occurrences21 - 80
Rank Reasons
Allium abramsii is known only from the central Sierra Nevada. Threats may include roads, mining, and recreational activities.
Range Extent Comments
Allium abramsii is known only from the central Sierra Nevada (FNA 2002a).
Occurrences Comments
22 mapped occurrences, though 15 are historic and need rechecking (CNDDB 2016).
Threat Impact Comments
Threats may include roads, mining, and recreation (CNDDB 2016).
Ecology & Habitat

Habitat

Granite sands in open coniferous forest; 1400-2000 m (FNA 2002a).
Terrestrial Habitats
Forest - Conifer
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Threat Assessments
ThreatScopeSeverityTiming
3 - Energy production & mining———
3.2 - Mining & quarrying———
4 - Transportation & service corridors———
4.1 - Roads & railroads———
6 - Human intrusions & disturbance———
6.1 - Recreational activities———

—

Plant Characteristics
Economic Value (Genus)Yes
Roadless Areas (8)
California (8)
AreaForestAcres
AgnewSequoia National Forest9,561
Dennison PeakSequoia National Forest6,293
Dinkey LakesSierra National Forest34,171
Kings RiverSierra National Forest52,999
MonarchSierra National Forest697
San JoaquinSierra National Forest22,474
ShuteyeSierra National Forest7,313
Sycamore SpringsSierra National Forest10,015
References (4)
  1. California Natural Diversity Database (CNDDB). 2016. RareFind Version 5.1.1. California Department of Fish and Game, Sacramento.
  2. Flora of North America Editorial Committee (FNA). 2002a. Flora of North America north of Mexico. Vol. 26. Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York. xxvi + 723 pp.
  3. Jepson Flora Project (eds.) 2015. Jepson Online Interchange for California Floristics. Accessed online: http://ucjeps.berkeley.edu/interchange/
  4. 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.