Species Details

Juncus leiospermus var. ahartii

Ahart's dwarf rush

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Photo by © 2004 Carol W. Witham  max-height:128px; max-width:145px;
© 2004 Carol W. Witham
Photo by © 2004 Carol W. Witham  max-height:128px; max-width:145px;
© 2004 Carol W. Witham
Photo by © 2004 Carol W. Witham  max-height:128px; max-width:145px;
© 2004 Carol W. Witham
Scientific Name:
Juncus leiospermus F.J. Herm. var. ahartii B. Ertter
Common Name:
Ahart's dwarf rush
Family: Juncaceae
Element Code: PMJUN011L1
USDA Plants Symbol: JULEA
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Mar-May
Elevation:
30 - 229 meters
100 - 750 feet
General Habitat:
  • Valley and foothill grassland (mesic)
General Micro Habitat:
Micro Habitat:
Notes:
Known from approximately 10 occurrences. Threatened by development. See Memoirs of the New York Botanical Garden 39:49 (1986) for original description.
Threats:
Taxonomy:
Other:
Total Occurrences: 13
Element Occurrence Ranks:
A B C D X U
1 6 2 1 1 2
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 4
Presence:
Presumed Extant 12
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Calaveras (CAL), Placer (PLA), Sacramento (SAC), Tehama (TEH), Yuba (YUB)
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)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads