Taxon Report

Fimbristylis thermalis Wats.

hot springs fimbristylis

Print Report


  Classification
Scientific Name:
 Fimbristylis thermalis Wats.
Common Name:
 hot springs fimbristylis
Family: Cyperaceae
Element Code: PMCYP0B0N0
USDA Plants Symbol: FITH
Synonyms/Other Names:
  • Fimbristylis spadicea (L.) M. Vahl

Ecology and Life History
Lifeform: perennial rhizomatous herb
Blooming Period: Jul-Sep Jul-Sep
Elevation: 110-1340 (360-4395)
General Habitats: Meadows and seeps
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 2B.2
Global Rank: G4
State Rank:
 S1S2
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG
CRPR Changes:
  • changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB
Total Occurrences: 19
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 2
   Fair (C) 2
   Poor (D) 1
   None (X) 0
   Unknown (U) 13

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Inyo (INY), Kern (KRN)*, Los Angeles (LAX), Mono (MNO), San Bernardino (SBD)
Quads: Name (Quad Code)
Bishop (3711834), Chidago Canyon (3711854), Chloride City (3611668), Crystal Lake (3411737), Fish Slough (3711844), Furnace Creek (3611647), Glendora (3411727), Lake Isabella North (3511864), Nevares Peak (3611657), Panamint (3611711), Paradise Range (3511627), Poleta Canyon (3711833), San Bernardino North (3411723), Shoshone (3511683), Thimble Peak (3611771), Ubehebe Crater (3711714)

Threat List Data from the CNDDB

Threat List Total: 8
EOs with Threat Listed: Total EOs % of EOs
6 32 %
Groundwater pumping 3 15%
Non-native plant impacts 3 15%
ORV activity 2 10%
Recreational use (non-ORV) 1 5%
Road/trail construction/maint. 1 5%
Altered flood/tidal/hydrologic regime 1 5%
Development 1 5%
Grazing 1 5%

Notes
Need historical quads for KRN Co. See Intermountain Flora 6:88 (1977) for revised nomenclature.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 2 January 2025].