Species Details

Allium atrorubens var. atrorubens

Great Basin onion

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Photo of Allium atrorubens var. atrorubens
© 2021 Steve Matson
Photo of Allium atrorubens var. atrorubens
© 2021 Steve Matson
Photo of Allium atrorubens var. atrorubens
© 2021 Steve Matson
Scientific Name:
Allium atrorubens Wats. var. atrorubens
Common Name:
Great Basin onion
Family: Alliaceae
Element Code: PMLIL02061
USDA Plants Symbol: ALATA
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G4T4
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 1994-01-01
Date Edited: 2022-02-01
Lifeform: perennial bulbiferous herb
Blooming Period: May-Jun
JFMAMJJASOND
Elevation:
1200 - 2315 meters
3935 - 7595 feet
General Habitats:
  • Great Basin scrub
  • Pinyon and juniper woodland
Microhabitat Details:
Microhabitat:
  • Rocky (sometimes)
  • Sandy (sometimes)
Notes:
See Botany of the King Exploration, p. 352 (1871) for original description, and MadroƱo 39(2):83-89 (1992) for distribution in CA.
Threats:
Taxonomy:
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 7 37 %
THREAT LIST:
Grazing 6 31%
Improper burning regime 3 15%
Non-native plant impacts 2 10%
Military operations 1 5%
Total Occurrences: 19
Element Occurrence Ranks:
A B C D X U
0 5 4 0 0 10
Occurrence Status:
Historical >20 Years 16
Recent <=20 Years 3
Presence:
Presumed Extant 19
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Nevada (NV), Utah (UT)
California Counties and Islands: Name (Code)
Inyo (INY), Lassen (LAS), Mono (MNO), San Bernardino (SBD)
Quads: Name (Quad Code)
Parker Canyon (4011938), Smoke Creek Ranch (4011958), Avawatz Pass (3511654), Benton Hot Springs (3711875), Big Alkali (3811922), Big Pine (3711823), Bodie (3811921), Bridgeport (3811932), Coso Peak (3611726), Doyle (4012011), East of Leach Lake (3511655), Leach Lake (3511656), Little Mud Flat (4012042), Lundy (3811912), Old Ibex Pass (3511664), Red Pass Lake Ne (3511643), Red Pass Lake Nw (3511644), River Spring (3711885), Shaffer Mtn. (4012043), Sheep Creek Spring (3511653), Silurian Lake (3511652), Silurian Valley (3511642), Spencer Creek (4012031), Tungsten Hills (3711835), Wendel (4012032)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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