Species Details
Asclepias nyctaginifolia
Mojave milkweed
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Species Description:
Asclepias nyctaginifolia, commonly known as Mojave milkweed, 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 875 to 1700 meters. Asclepias nyctaginifolia is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.|
Scientific Name: Asclepias nyctaginifolia Gray |
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Common Name: Mojave milkweed |
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| Family: | Apocynaceae | |
| Element Code: | PDASC02190 | |
| USDA Plants Symbol: | ASNY | |
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Synonyms/Other Names: |
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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 2B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4? |
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State Rank: |
S2 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Jun
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Elevation:
875 - 1700 meters 2870 - 5580 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 10 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 47 | 70 % |
| THREAT LIST: | ||
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| Development | 30 | 44% |
| Road/trail construction/maint. | 14 | 20% |
| ORV activity | 7 | 10% |
| Biocides | 3 | 4% |
| Grazing | 3 | 4% |
| Mining | 3 | 4% |
| Non-native animal impacts | 2 | 2% |
| Erosion/runoff | 1 | 1% |
| Foot traffic/trampling | 1 | 1% |
| Recreational use (non-ORV) | 1 | 1% |
| Total Occurrences: | 67 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 6 | 12 | 14 | 0 | 34 |
| Occurrence Status: | |||||
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| Historical >20 Years | 7 | ||||
| Recent <=20 Years | 60 | ||||
| Presence: | |||||
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| Presumed Extant | 67 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Arizona (AZ), California (CA), Nevada (NV), New Mexico (NM) |
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California Counties and Islands: Name (Code) San Bernardino (SBD) |
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Quads: Name (Quad Code) Cajon (3411734), Castle Peaks (3511532), Clark Mtn. (3511555), East of Grotto Hills (3511521), Grotto Hills (3511522), Hackberry Mountain (3511512), Hart Peak (3511531), Ivanpah Lake (3511554), Mescal Range (3511545), Pachalka Spring (3511556), Pinto Valley (3511523), Valley Wells (3511546) |
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Notes:
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Presumed Extant
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