Taxon Details

Bursera microphylla

little-leaf elephant tree

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Taxon Summary:

Bursera microphylla, commonly known as little-leaf elephant tree, is a perennial deciduous tree in the Burseraceae that is found in California and elsewhere. It occurs within Sonoran desert scrub, growing at elevations from 200 to 700 meters. Bursera microphylla is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Lifeform: perennial deciduous tree
Blooming Period: Jun-Jul
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Elevation:
200 - 700 meters
655 - 2295 feet
General Habitats:
  • Sonoran desert scrub (rocky)
Microhabitat Details:
Microhabitat:
Notes:
Known in CA from fewer than twenty occurrences. State-listed as Highly Safeguarded in AZ.
Threats:
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 1 6 %
THREAT LIST:
Foot traffic/trampling 1 5%
Other 1 5%
Recreational use (non-ORV) 1 5%
Total Occurrences: 18
Element Occurrence Ranks:
A B C D X U
1 1 1 0 0 15
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 6
Presence:
Presumed Extant 18
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Sonora, Mexico (SO)
California Counties and Islands: Name (Code)
Imperial (IMP), Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Agua Caliente Springs (3211683), Arroyo Tapiado (3211682), Borrego Mountain SE (3311611), Clark Lake NE (3311643), Harper Canyon (3311612), In-ko-pah Gorge (3211661), Martinez Mtn. (3311653), Rabbit Peak (3311642), Sweeney Pass (3211672), Valerie (3311652)
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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