Species Details

Penstemon sudans

Susanville beardtongue

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Classification

Scientific Name: Penstemon sudans Jones
Common Name: Susanville beardtongue
Family:	Plantaginaceae
Element Code:	PDSCR1L620
USDA Plants Symbol:	PESU10
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:	BLM_S; SB_UCSC; 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:	2022-12-06

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Jul(Aug-Sep)

Elevation:
1200 - 2425 meters
3935 - 7955 feet

General Habitats:

Great Basin scrub
Lower montane coniferous forest (openings)
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Roadsides (sometimes)
Rocky
Volcanic

Notes

Notes: 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.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	13
	Total EOs	% of EOs
EOs with Threat Listed:	73	48 %
Logging	44	28%
Road/trail construction/maint.	21	13%
Non-native plant impacts	9	5%
Wood cutting or brush clearing	6	3%
Other	4	2%
ORV activity	3	1%
Grazing	3	1%
Erosion/runoff	3	1%
Development	2	1%
Foot traffic/trampling	1	0%
Altered flood/tidal/hydrologic regime	1	0%
Biocides	1	0%
Recreational use (non-ORV)	1	0%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					152
A	B	C	D	X	U
19	75	26	0	0	32

Occurrence Status:
Historical >20 Years	41
Recent <=20 Years	111

Presence:
Presumed Extant	152
Possibly Extirpated	0
Presumed Extirpated	0

Location

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)

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 Change on 2020-03-02
Other:	USFS Potential Species of Conservation Concern Profile