CNPS

CNPS Rare Plant Inventory

Species Details

Leptosiphon nuttallii ssp. howellii

Mt. Tedoc leptosiphon

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Photo of Leptosiphon nuttallii ssp. howellii
©2010 Julie Kierstead Nelson 		Photo of Leptosiphon nuttallii ssp. howellii
©2019 Steve Matson 		Photo of Leptosiphon nuttallii ssp. howellii
©2010 Julie Kierstead Nelson

  Classification

Scientific Name:
Leptosiphon nuttallii (Gray) Porter & Johnson ssp. howellii (Nels. & Patterson) Porter & Johnson
Common Name:
Mt. Tedoc leptosiphon
Family: Polemoniaceae
Element Code: PDPLM090V4
USDA Plants Symbol: LENUH
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G5T2
State Rank:
 S2
Other Status: BLM_S; SB_BerrySB; USFS_S
CRPR Changes:
Add Date: 1988-01-01
Date Edited: 2024-11-05

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Aug
JFMAMJJASOND
Elevation:
1220 - 2800 meters
4005 - 9185 feet
General Habitats:
  • Lower montane coniferous forest (serpentinite)
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Known from only four occurrences in the Mt. Tedoc region of the Klamath Mtns. A synonym of Linanthus nuttallii ssp. howellii in The Jepson Manual. See Madroño 32(2):102 (1985) for original description, and Aliso 19(1):55-91 (2000) for revised nomenclature.
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: 5
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 5
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 3
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)
Tehama (TEH)
Quads: Name (Quad Code)
North Yolla Bolly (4012228), Platina (4012238)
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

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].