Species Details

Juncus digitatus

finger rush

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Photo of Juncus digitatus
Image by Wendy Boes
Scientific Name:
Juncus digitatus C. Witham & Zika
Common Name:
finger rush
Family: Juncaceae
Element Code: PMJUN013E0
USDA Plants Symbol: JUDI3
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: (Apr)May-Jun
JFMAMJJASOND
Elevation:
660 - 1097 meters
2165 - 3600 feet
General Habitats:
  • Cismontane woodland (openings)
  • Lower montane coniferous forest (openings)
  • Vernal pools (xeric)
Microhabitat Details:
Microhabitat:
Notes:
Two occurrences in SHA Co.; one occurrence is threatened by ornamental rock mining and the other is threatened by water diversion. A third occurrence in NEV Co. is threatened by development and hydrological alterations. See J. Botanical Research Institute of Texas 2(2):775-781 (2008) for original description.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 3 100 %
THREAT LIST:
Altered flood/tidal/hydrologic regime 1 33%
Development 1 33%
Disking 1 33%
Mining 1 33%
Surface water diversion 1 33%
Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
1 0 0 0 0 2
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 3
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Nevada (NEV), Shasta (SHA)
Quads: Name (Quad Code)
Grass Valley (3912121), Hagaman Gulch (4012157), Shingletown (4012148)
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.
Presumed Extant
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