Species Details

Penstemon sudans

Susanville beardtongue

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Scientific Name:
Penstemon sudans Jones
Common Name:
Susanville beardtongue
Family: Plantaginaceae
Element Code: PDSCR1L620
USDA Plants Symbol: PESU10
Synonyms/Other Names:
CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G4
State Rank:
Other Status: BLM_S; USFS_S
CRPR Changes:
changed from 1B.2 to 4.3 on 2020-03-02
changed from 1B.3 to 1B.2 on 2016-03-17
Add Date: 2001-01-01
Date Edited: 2022-06-08
Lifeform: perennial herb
Blooming Period: Jun-Jul(Aug-Sep)
1200 - 2425 meters
3935 - 7955 feet
General Habitat:
  • Great Basin scrub
  • Lower montane coniferous forest (openings)
  • Pinyon and juniper woodland
General Micro Habitat:
Micro Habitat:
  • Roadsides (sometimes)
  • Rocky
  • Volcanic
Changed from 1B.2 to 4.3 on 2020-03-02. More common than originally known and reported to respond well to certain types of disturbance. Potentially threatened by logging and road construction and maintenance. Possibly threatened by development, grazing, erosion, non-native plants, and vehicles. See Contributions to Western Botany 8:37 (1898) for original description.
Total Occurrences: 152
Element Occurrence Ranks:
19 75 26 0 0 32
Occurrence Status:
Historical >20 Years 41
Recent <=20 Years 111
Presumed Extant 152
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV), Oregon (OR)
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Plumas (PLU), Sierra (SIE)
Quads: Name (Quad Code)
Al Shinn Canyon (4012061), Antelope Valley (3912063), Buckhorn Lake (4012081), Cold Spring Mtn. (4112013), Diamond Mtn. (4012036), Dodge Reservoir (4012082), Eagle Peak (4112032), Emerson Peak (4112022), Five Springs (4012052), Fredonyer Pass (4012037), Gallatin Peak (4012056), Greenville (4012028), Jess Valley (4112023), Johnstonville (4012045), Karlo (4012053), Kettle Rock (4012026), Litchfield (4012044), Little Juniper Reservoir (4112034), Little Mud Flat (4012042), Moonlight Peak (4012027), Observation Peak (4012072), Pegleg Mtn. (4012048), Petes Valley (4012054), Pikes Point (4012057), Roop Mountain (4012047), Shaffer Mtn. (4012043), Shinn Mtn. (4012062), Snake Lake (4112021), Snowstorm Mtn. (4012063), Soup Creek (4112033), Susanville (4012046), Termo (4012074), Tule Mountain (4112024), Tunnison Mtn. (4012055), West of Snowstorm Mtn. (4012064), Westwood East (4012038)
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
Counties   Quads