Taxon Details
Phacelia damnationensis
Damnation Pass phacelia
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Taxon Summary:
Phacelia damnationensis, commonly known as Damnation Pass phacelia, is a perennial herb in the Hydrophyllaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 1005 to 1440 meters. Phacelia damnationensis is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.|
Scientific Name: Phacelia damnationensis Kierstead, Lindstrand & M.J. Lenz |
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Common Name: Damnation Pass phacelia |
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| Family: | Hydrophyllaceae | |
| Element Code: | PDHYD0C750 | |
| USDA Plants Symbol: | ||
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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: | 1B.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | BLM_S |
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CRPR Changes: added to 1B.3 on 2024-03-07 |
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| Add Date: | 2024-03-07 |
| Date Edited: | 2025-10-29 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jun-Sep
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Elevation:
1005 - 1440 meters 3295 - 4725 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: |
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Threats: Possibly threatened by logging, vehicles, road construction, road maintenance, and recreational activities, though appears to tolerate some disturbance caused by these factors. |
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Taxonomy: Corolla color (cream to apple-green with occasional lavender tinge) similar to P. procera which differs in having stems erect and 0.5–2 m high (vs. decumbent to ascending and 0.3–0.9 m high) with leaf-blades attenuate to auriculate (vs. truncate to subcordate). Other related species (P. bolanderi, P. hydrophylloides) are allopatric. |
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| Threat List Total: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 7 | 64 % |
| THREAT LIST: | ||
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| Improper burning regime | 6 | 54% |
| Logging | 6 | 54% |
| ORV activity | 1 | 9% |
| Road/trail construction/maint. | 1 | 9% |
| Wood cutting or brush clearing | 1 | 9% |
| Total Occurrences: | 11 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 9 | 0 | 0 | 0 | 2 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 11 | ||||
| Presence: | |||||
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| Presumed Extant | 11 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Shasta (SHA) |
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Quads: Name (Quad Code) Bohemotash Mtn. (4012274), Damnation Peak (4012285), Schell Mtn. (4012275), Tombstone Mtn. (4112213), Whiskeytown (4012265) |
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Notes:
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Presumed Extant
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