Taxon Details
Asclepias asperula ssp. asperula
antelope-horns
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Taxon Summary:
Asclepias asperula ssp. asperula, commonly known as antelope-horns, is a perennial herb in the Apocynaceae that is found in California and elsewhere. It occurs within Mojavean desert scrub, and Pinyon and juniper woodland, growing at elevations from 915 to 2195 meters. Asclepias asperula ssp. asperula is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.|
Scientific Name: Asclepias asperula (Dcne.) Woodson ssp. asperula |
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Common Name: antelope-horns |
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| Family: | Apocynaceae | |
| Element Code: | PDASC02051 | |
| USDA Plants Symbol: | ASASA | |
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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: | G5T5 |
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State Rank: |
S3 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2021-09-27 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Sep
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Elevation:
915 - 2195 meters 3000 - 7200 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 0 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 0 | 0 % |
| THREAT LIST: | ||
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| Total Occurrences: | 0 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 0 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 0 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Nevada (NV), New Mexico (NM), Sonora, Mexico (SO), Texas (TX), Utah (UT) |
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California Counties and Islands: Name (Code) San Bernardino (SBD) |
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Quads: Name (Quad Code) Clark Mtn. (3511555), Fountain Peak (3411585), Ivanpah (3511533), Kelso (3511516), Mescal Range (3511545), Pinto Valley (3511523) |
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Notes:
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Presumed Extant
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