CNPS

CNPS Rare Plant Inventory

Species Details

Linanthus maculatus ssp. emaculatus

Jacumba Mountains linanthus

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  Classification

Scientific Name:
Linanthus maculatus (Parish) Milliken ssp. emaculatus J.M. Porter, D.S. Bell & R. Patt.
Common Name:
Jacumba Mountains linanthus
Family: Polemoniaceae
Element Code: PDPLM041Y2
USDA Plants Symbol:
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G2T1
State Rank:
 S1
Other Status: BLM_S; SB_CalBG/RSABG
CRPR Changes:
added to 1B.1 on 2016-01-27
Add Date: 2016-01-27
Date Edited: 2022-03-01

  Ecology and Life History

Lifeform: annual herb
Blooming Period: (Mar)Apr(May)
JFMAMJJASOND
Elevation:
395 - 585 meters
1295 - 1920 feet
General Habitats:
  • Desert dunes (edges)
  • Sonoran desert scrub
Microhabitat Details:
Microhabitat:
  • Decomposed granitic
  • Flats
  • Sandy
  • Washes

  Notes

Notes:
Discovered in 2010 by L. Hendrickson and L. Sward. Threatened by wind energy development and vehicles. See L. maculatus (in part) in TJM 2. See Aliso 32(2):55-88 (2015) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 2 40 %
THREAT LIST:
Development 2 40%
ORV activity 1 20%

  Occurrence Data from the CNDDB

Total Occurrences: 5
Element Occurrence Ranks:
A B C D X U
0 0 1 0 0 4
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 5
Presence:
Presumed Extant 5
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Imperial (IMP), San Diego (SDG)
Quads: Name (Quad Code)
In-ko-pah Gorge (3211661), Jacumba (3211662)
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 2016-01-27
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].