Taxon Details
Juncus leiospermus var. ahartii
Ahart's dwarf rush
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© 2004 Carol W. Witham |
© 2004 Carol W. Witham |
© 2004 Carol W. Witham |
Taxon Summary:
Juncus leiospermus var. ahartii, commonly known as Ahart's dwarf rush, is a annual herb in the Juncaceae that is found only in California. It occurs within Valley and foothill grassland, growing at elevations from 30 to 229 meters. Juncus leiospermus var. ahartii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Juncus leiospermus F.J. Herm. var. ahartii B. Ertter |
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Common Name: Ahart's dwarf rush |
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| Family: | Juncaceae | |
| Element Code: | PMJUN011L1 | |
| USDA Plants Symbol: | JULEA | |
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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: | G2T1 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1984-01-01 |
| Date Edited: | 2022-01-05 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
30 - 229 meters 100 - 750 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: | 7 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 8 | 62 % |
| THREAT LIST: | ||
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| Development | 5 | 38% |
| Grazing | 2 | 15% |
| Other | 2 | 15% |
| Road/trail construction/maint. | 1 | 7% |
| Agriculture | 1 | 7% |
| Mining | 1 | 7% |
| ORV activity | 1 | 7% |
| Total Occurrences: | 13 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 6 | 2 | 1 | 1 | 2 |
| Occurrence Status: | |||||
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| Historical >20 Years | 10 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 12 | ||||
| Possibly Extirpated | 1 | ||||
| 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) Butte (BUT), Calaveras (CAL), Placer (PLA), Sacramento (SAC), Tehama (TEH), Yuba (YUB) |
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Quads: Name (Quad Code) Biggs (3912146), Buffalo Creek (3812152)*, Carmichael (3812153), Honcut (3912135), Lincoln (3812183), Loma Rica (3912134), Palermo (3912145), Red Bluff East (4012222), Valley Springs SW (3812018) |
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Notes:
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Presumed Extant
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