Taxon Details
Eriastrum harwoodii
Harwood's eriastrum
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Taxon Summary:
Eriastrum harwoodii, commonly known as Harwood's eriastrum, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Desert dunes, growing at elevations from 125 to 915 meters. Eriastrum harwoodii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Eriastrum harwoodii (T.T. Craig) D. Gowen |
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Common Name: Harwood's eriastrum |
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| Family: | Polemoniaceae | |
| Element Code: | PDPLM030B1 | |
| USDA Plants Symbol: | ERHA5 | |
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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.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_USDA |
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CRPR Changes: added to 1B.2 on 2008-07-22 |
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| Add Date: | 2008-07-22 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-Jun
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Elevation:
125 - 915 meters 410 - 3000 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Threatened by mining, non-native plants, and vehicles. Potentially threatened by solar energy development. Possibly threatened by grazing and trampling. Not in TJM (1993). See Bulletin of the Torrey Botanical Club 61: 345-409 (1934) for original description, and Madrono 55 (1):82-87 (2008) for revised taxonomic treatment. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 8 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 39 | 49 % |
| THREAT LIST: | ||
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| ORV activity | 35 | 43% |
| Non-native plant impacts | 25 | 31% |
| Development | 23 | 28% |
| Grazing | 10 | 12% |
| Vandalism/dumping/litter | 5 | 6% |
| Other | 1 | 1% |
| Erosion/runoff | 1 | 1% |
| Foot traffic/trampling | 1 | 1% |
| Total Occurrences: | 80 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 4 | 19 | 9 | 1 | 0 | 47 |
| Occurrence Status: | |||||
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| Historical >20 Years | 6 | ||||
| Recent <=20 Years | 74 | ||||
| Presence: | |||||
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| Presumed Extant | 80 | ||||
| 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) Imperial (IMP), Riverside (RIV), San Bernardino (SBD), San Diego (SDG) |
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Quads: Name (Quad Code) Arica Mountains (3411418), Borrego Mountain SE (3311611), Cadiz Lake (3411534), Cadiz Lake NW (3411544), Cadiz Summit (3411554), Cadiz Valley SE (3411513), Calumet Mine (3411545), Calumet Mountains (3411535), Chubbuck (3411533), Clark Lake (3311633), Clarks Pass (3411515), Cowhole Mountain (3511518), Crescent Peak (3511542), Crucero Hill (3511612), Danby Lake (3411521), Desert Hot Springs (3311685), East of Broadwell Lake (3411671), East of Granite Pass (3411511), East of Victory Pass (3311573), Glasgow (3411587), Indian Spring (3511527), Kelso Dunes (3411586), Kingston Peak (3511568), Martinez Mtn. (3311653), Milligan (3411532), Morongo Valley (3411615), New Dale (3411516), Old Dad Mtn. (3511517), Pinto Wells (3311584), Rice (3411417), Roosevelt Mine (3311457), Seventeenmile Point (3511528), Sidewinder Well (3311562), Skeleton Pass (3411553) |
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Notes:
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Presumed Extant
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