CNPS Inventory Plant Detail

Rhynchospora californica

Common Name:	California beaked-rush
Family:	Cyperaceae
Synonyms:
Element Code:	PMCYP0N060
Full Name:	Rhynchospora californica Gale
USDA PLANTS Symbol:	RHCA10

Biology
Lifeform: perennial rhizomatous herb Blooming Period: May - July Habitat: • Bogs and fens • Lower montane coniferous forest • Meadows and seeps (seeps) • Marshes and swamps (freshwater)

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 9
Element Occurrence Ranks:

A B C D X U

0 2 0 0 1 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
5	4

Presence:

Present Extant	Possibly Extirpated	Extirpated
8	0	1

Notes
Threatened by marsh habitat loss. See Rhodora 46:272-273 (1944) for original description, and Madroño 33(2):150 (1986) for information on BUT Co. collection. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2010-03-15

Location

Elevation: 45 - 1010 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Butte (BUT), Marin (MRN), Napa (NAP), Sonoma (SON)

Quads: name (DWR code) USGS code
Drakes Bay (485C) 38122A8, Mt. George (499C) 38122C2, Sebastopol (502A) 38122D7, Two Rock (502D) 38122C7, Paradise West (592C) 39121G6, Richardson Springs (593D) 39121G7

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1416

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-122.125,38.25