CNPS Inventory Plant Detail

Acanthoscyphus parishii var. cienegensis

Common Name:	Cienega Seca oxytheca
Family:	Polygonaceae
Synonyms:	Oxytheca parishii var. cienegensis
Element Code:	PDPGN0J042
Full Name:	Acanthoscyphus parishii (Parry) Small var. cienegensis (Ertter) Reveal
USDA PLANTS Symbol:

Biology
Lifeform: annual herb Blooming Period: June - September Habitat: • Joshua tree woodland • Pinyon and juniper woodland • Upper montane coniferous forest (sandy, granitic)

Rarity Status
CA Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G4?T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
0	23

Presence:

Present Extant	Possibly Extirpated	Extirpated
23	0	0

Notes

Known from approximately six occurrences. Possibly threatened by logging, mining, road maintenance, and vehicles. See Brittonia 32: 70-102 (1980) for original description, Harvard Papers in Botany 9(1): 144 (2004) for revised nomenclature, and Phytologia 66(4): 386-387 (1989) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1988-01-01
Last Update: 2010-03-15

Location

Elevation: 2105 - 2450 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
San Bernardino (SBD)

Quads: name (DWR code) USGS code
Onyx Peak (104B) 34116B6, Moonridge (105A) 34116B7, Rattlesnake Canyon (130C) 34116C6

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

1210

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 .

-116.625,34.125