Taxon Details
Calystegia stebbinsii
Stebbins' morning-glory
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Taxon Summary:
Calystegia stebbinsii, commonly known as Stebbins' morning-glory, is a perennial rhizomatous herb in the Convolvulaceae that is found only in California. It occurs within Chaparral (openings), and Cismontane woodland, growing at elevations from 185 to 1090 meters. Calystegia stebbinsii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Calystegia stebbinsii Brummitt |
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Common Name: Stebbins' morning-glory |
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| Family: | Convolvulaceae | |
| Element Code: | PDCON040H0 | |
| USDA Plants Symbol: | CAST21 | |
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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.1 |
| Fed List: | FE (1996-10-18) |
| State List: | CE (1981-08-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2021-10-04 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
185 - 1090 meters 605 - 3575 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 11 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 14 | 93 % |
| THREAT LIST: | ||
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| Development | 14 | 93% |
| Road/trail construction/maint. | 7 | 46% |
| Non-native plant impacts | 5 | 33% |
| Vandalism/dumping/litter | 4 | 26% |
| ORV activity | 3 | 20% |
| Improper burning regime | 2 | 13% |
| Biocides | 2 | 13% |
| Landfill | 1 | 6% |
| Erosion/runoff | 1 | 6% |
| Foot traffic/trampling | 1 | 6% |
| Recreational use (non-ORV) | 1 | 6% |
| Total Occurrences: | 15 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 2 | 7 | 1 | 4 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 5 | ||||
| Recent <=20 Years | 10 | ||||
| Presence: | |||||
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| Presumed Extant | 11 | ||||
| Possibly Extirpated | 3 | ||||
| Presumed Extirpated | 1 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) El Dorado (ELD), Nevada (NEV) |
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Quads: Name (Quad Code) Coloma (3812078), Grass Valley (3912121), Pilot Hill (3812171), Rough And Ready (3912122), Shingle Springs (3812068) |
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Notes:
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Presumed Extant
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