Taxon Report

Orcuttia viscida (Hoov.) J. Reeder

Sacramento Orcutt grass

Print Report


© Rick York and CNPS

  Classification

Scientific Name:
Orcuttia viscida (Hoov.) J. Reeder
Common Name:
Sacramento Orcutt grass
Family: Poaceae
Element Code: PMPOA4G070
USDA Plants Symbol: ORVI2
Synonyms/Other Names:
  • Orcuttia californica Hoov. var. viscida

Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-Jul(Sep) Apr-Jul(Sep)
Elevation: 30-100 (100-330)
General Habitats: Vernal pools
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 19
Element Occurrence Ranks:
   Excellent (A) 3
   Good (B) 6
   Fair (C) 1
   Poor (D) 0
   None (X) 2
   Unknown (U) 7
California Endemic:  True
California Counties and Islands: Name (Code)
Sacramento (SAC)
Quads: Name (Quad Code)
Buffalo Creek (3812152), Carmichael (3812153), Elk Grove (3812143), Folsom (3812162), Goose Creek (3812131)

Threat List Data from the CNDDB

Threat List Total: 13
EOs with Threat Listed: Total EOs % of EOs
11 58 %
Non-native plant impacts 7 36%
Grazing 6 31%
Development 5 26%
Altered flood/tidal/hydrologic regime 4 21%
Foot traffic/trampling 2 10%
Landfill 2 10%
ORV activity 2 10%
Road/trail construction/maint. 2 10%
Other 1 5%
Recreational use (non-ORV) 1 5%
Insufficient population/stand size 1 5%
Agriculture 1 5%
Erosion/runoff 1 5%

Notes

Seriously threatened by agriculture, urbanization, overgrazing, vehicles, and non-native plants. Protected in part at Phoenix Field ER (DFG). See Bulletin of the Torrey Botanical Club 68(3):155 (1941) for original description, and American Journal of Botany 69:1082-1095 (1982) for taxonomic treatment.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 10 January 2025].