CNPS

CNPS Rare Plant Inventory



Taxon Details

Penstemon janishiae

Janish's beardtongue

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Photo of Penstemon janishiae
Christopher L. Christie 2005 		Photo of Penstemon janishiae
Christopher L. Christie 2005 		Photo of Penstemon janishiae
Christopher L. Christie 2005

Taxon Summary:

Penstemon janishiae, commonly known as Janish's beardtongue, is a perennial herb in the Plantaginaceae that is found in California and elsewhere. It occurs within Great Basin scrub, Lower montane coniferous forest, and Pinyon and juniper woodland, growing at elevations from 1065 to 2350 meters. Penstemon janishiae is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

  Classification

Scientific Name:
Penstemon janishiae N. Holmgren
Common Name:
Janish's beardtongue
Family: Plantaginaceae
Element Code: PDSCR1L3A0
USDA Plants Symbol: PEJA2
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos

  Conservation Status

CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4
State Rank:
 S1
Other Status: BLM_S
CRPR Changes:
Add Date: 2001-01-01
Date Edited: 2022-06-08

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Jul
JFMAMJJASOND
Elevation:
1065 - 2350 meters
3495 - 7710 feet
General Habitats:
  • Great Basin scrub
  • Lower montane coniferous forest
  • Pinyon and juniper woodland
Microhabitat Details:
Microhabitat:
  • Gravelly
  • Volcanic

  Notes

Notes:
Potentially threatened by wind energy development. Possibly threatened by vehicles and recreational activities. Threatened in ID, and on review list in OR. See Brittonia 31:223 (1979) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 10 71 %
THREAT LIST:
Non-native plant impacts 3 21%
Other 3 21%
Grazing 2 14%
Road/trail construction/maint. 2 14%
ORV activity 2 14%

  Occurrence Data from the CNDDB

Total Occurrences: 14
Element Occurrence Ranks:
A B C D X U
1 2 3 0 1 7
Occurrence Status:
Historical >20 Years 8
Recent <=20 Years 6
Presence:
Presumed Extant 13
Possibly Extirpated 0
Presumed Extirpated 1

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR)
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Plumas (PLU)
Quads: Name (Quad Code)
Alturas (4112045), Big Sage Reservoir (4112056), Diamond Mtn. (4012036), Lane Reservoir (4112017), Mahogany Ridge (4112055), Rattlesnake Butte (4112046), Said Valley (4012087), Washington Mtn. (4112048)
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

Other: USFS Potential Species of Conservation Concern Profile

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Suggested Citation:
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 July 2025].
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