Taxon Details
Penstemon sudans
Susanville beardtongue
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Taxon Summary:
Penstemon sudans, commonly known as Susanville 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 (openings), and Pinyon and juniper woodland, growing at elevations from 1200 to 2425 meters. Penstemon sudans is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.|
Scientific Name: Penstemon sudans Jones |
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Common Name: Susanville beardtongue |
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| Family: | Plantaginaceae | |
| Element Code: | PDSCR1L620 | |
| USDA Plants Symbol: | PESU10 | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 4.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4 |
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State Rank: |
S4 |
| Other Status: | BLM_S; SB_UCSC; USFS_S |
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CRPR Changes: changed from 1B.2 to 4.3 on 2020-03-02 |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jun-Jul(Aug-Sep)
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Elevation:
1200 - 2425 meters 3935 - 7955 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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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. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 13 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 73 | 48 % |
| THREAT LIST: | ||
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| 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% |
| Total Occurrences: | 152 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 19 | 75 | 26 | 0 | 0 | 32 |
| Occurrence Status: | |||||
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| Historical >20 Years | 41 | ||||
| Recent <=20 Years | 111 | ||||
| Presence: | |||||
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| Presumed Extant | 152 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Nevada (NV), Oregon (OR) |
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California Counties and Islands: Name (Code) Lassen (LAS), Modoc (MOD), Plumas (PLU), Sierra (SIE) |
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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) |
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Notes:
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Presumed Extant
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