CNPS

CNPS Rare Plant Inventory

Species Details

Spermolepis infernensis

Hellhole scaleseed

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  Classification

Scientific Name:
Spermolepis infernensis G.L. Nesom
Common Name:
Hellhole scaleseed
Family: Apiaceae
Element Code: PDAPI23070
USDA Plants Symbol:
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G1
State Rank:
 S1
Other Status: SB_CalBG/RSABG
CRPR Changes:
added to 1B.2 on 2016-01-21
Add Date: 2016-01-21
Date Edited: 2022-06-08

  Ecology and Life History

Lifeform: annual herb
Blooming Period: Mar-Apr
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Elevation:
230 - 670 meters
755 - 2200 feet
General Habitats:
  • Sonoran desert scrub
Microhabitat Details:
Microhabitat:
  • Rocky (sometimes)
  • Sandy (sometimes)

  Notes

Notes:
Previously included within S. echinata; see this taxon in TJM (1993) and TJM 2. See Phytoneuron 2012-87 (2012) for original description and distinction from S. lateriflora.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 %
THREAT LIST:
No threats

  Occurrence Data from the CNDDB

Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 4
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 2
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Borrego Palm Canyon (3311634), Borrego Sink (3311623), Tubb Canyon (3311624)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

CNPS Status Review: CRPR List Addition on 2016-01-21
Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 24 December 2024].