Species Details
Polygonum hickmanii
Scotts Valley polygonum
Download Report Calflora eFlora CCH CalPhotos
Scientific Name: Polygonum hickmanii H.R. Hinds & R. Morgan |
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Common Name: Scotts Valley polygonum |
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Family: | Polygonaceae | |
Element Code: | PDPGN0L310 | |
USDA Plants Symbol: | POHI14 | |
Synonyms/Other Names: |
CA Rare Plant Rank: | 1B.1 |
Fed List: | FE (2003-04-08) |
State List: | CE (2004-10-01) |
Global Rank: | G1 |
State Rank: |
S1 |
Other Status: | |
CRPR Changes: |
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Add Date: | 2001-01-01 |
Date Edited: | 2021-05-26 |
Lifeform: annual herb | ||||||||||||||
Blooming Period: May-Aug
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Elevation:
210 - 250 meters 690 - 820 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Threat List Total: | 8 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 2 | 100 % |
THREAT LIST: | ||
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Development | 2 | 100% |
Non-native plant impacts | 2 | 100% |
Other | 2 | 100% |
Road/trail construction/maint. | 1 | 50% |
Altered flood/tidal/hydrologic regime | 1 | 50% |
ORV activity | 1 | 50% |
Erosion/runoff | 1 | 50% |
Insufficient population/stand size | 1 | 50% |
Total Occurrences: | 2 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
0 | 1 | 0 | 1 | 0 | 0 |
Occurrence Status: | |||||
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Historical >20 Years | 0 | ||||
Recent <=20 Years | 2 |
Presence: | |||||
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Presumed Extant | 2 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Santa Cruz (SCR) |
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Quads: Name (Quad Code) Felton (3712211), Laurel (3712118) |
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Notes:
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Presumed Extant
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