Taxon Report

Juncus nevadensis S. Watson var. inventus (L.F. Henderson) C.F. Hitchcock

Sierra rush

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Taxon Summary

Juncus nevadensis var. inventus, commonly known as Sierra rush, is a perennial rhizomatous herb in the Juncaceae that is found in California and elsewhere. It occurs within Bogs and fens, growing at elevations from 0 to 10 meters. Juncus nevadensis var. inventus is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Juncus nevadensis S. Watson var. inventus (L.F. Henderson) C.F. Hitchcock
Common Name:
Sierra rush
Family: Juncaceae
Element Code: PMJUN011Z5
USDA Plants Symbol: JUNEI
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jul-Nov Jul-Nov
Elevation: 0-10 (0-35)
General Habitats: Bogs and fens
Microhabitat:
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 2B.2
Global Rank: G5T3T4
State Rank:
S1
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • changed from 2.2 to 2B.2 on 2013-06-12
  • added to 2.2 on 2009-06-08

Occurrence Data from the CNDDB

Total Occurrences: 1
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 1
California Endemic:  False
California Counties and Islands: Name (Code)
Humboldt (HUM)
Quads: Name (Quad Code)
Trinidad (4112412)

Notes

Possibly threatened by alteration of hydrology and non-native plants.
Threats:
Taxonomy:

Selected References

CRPR List Addition on 2009-06-08
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].