Taxon Report

Eleocharis torticulmis S.G. Sm.

California twisted spikerush

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Taxon Summary

Eleocharis torticulmis, commonly known as California twisted spikerush, is a perennial rhizomatous herb in the Cyperaceae that is found only in California. It occurs within Bogs and fens, Lower montane coniferous forest, and Meadows and seeps, growing at elevations from 1005 to 1175 meters. Eleocharis torticulmis is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.


  Classification

Scientific Name:
Eleocharis torticulmis S.G. Sm.
Common Name:
California twisted spikerush
Family: Cyperaceae
Element Code: PMCYP092E0
USDA Plants Symbol: ELTO5
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jun-Jul Jun-Jul
Elevation: 1005-1175 (3295-3855)
General Habitats: Bogs and fens, Lower montane coniferous forest, Meadows and seeps
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 2
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 1
California Endemic:  True
California Counties and Islands: Name (Code)
Plumas (PLU)
Quads: Name (Quad Code)
Crescent Mills (4012018)

Threat List Data from the CNDDB

Threat List Total: 1
EOs with Threat Listed: Total EOs % of EOs
1 50 %
Foot traffic/trampling 1 50%

Notes

Known from Butterfly Valley Botanical Area and immediate vicinity. Possibly threatened by foot traffic. Not in The Jepson Manual. See Novon 11:250 (2001) for original description and Flora of North America 23:115 (2003) for species account.
Threats:
Taxonomy:

Selected References

CRPR List Addition on 2004-07-28
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].