Species Details

Catabrosa aquatica

water whorlgrass

  Download Report   Calflora     eFlora     CCH     CalPhotos
No Photo Available
Scientific Name:
Catabrosa aquatica (L.) P. Beauv.
Common Name:
water whorlgrass
Family: Poaceae
Element Code: PMPOA19010
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial stoloniferous herb
Blooming Period: Jul-Sep
Elevation:
- meters
- feet
General Habitat:
  • Meadows and seeps
General Micro Habitat: Sometimes stoloniferous or rhizomatous.
Micro Habitat:
  • Streambanks
Notes:

Discovered in CA by Marla Knight in 2007. Possibly threatened by grazing, trampling, vehicles, and recreational activities. Similar to Torreyochloa pallida var. pauciflora; differs in having leaf sheaths closed at least part of the way, vs. leaf sheaths open (with overlapping margins) to the base in T. pallida. See Species Plantarum 1: 64 (1753) for original description, and Essai d'une Nouvelle Agrostographie 97 (1812) for revised nomenclature.

Threats:
Taxonomy:
Other:
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 1
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Iowa (IA), Montana (MT), Nebraska (NE), Nevada (NV), New Mexico (NM), North Dakota (ND), Oregon (OR), South America (SA), South Dakota (SD), Utah (UT), Washington (WA), Wisconsin (WI), Wyoming (WY)
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Panther Rock (4112272)
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.

Map

Presumed Extant
Counties   Quads