CNPS Inventory Plant Detail

Pediomelum castoreum

Common Name:	Beaver Dam breadroot
Family:	Fabaceae
Synonyms:
Element Code:	PDFAB5L050
Full Name:	Pediomelum castoreum (Wats.) Rydb.
USDA PLANTS Symbol:	PECA24

Biology
Lifeform: perennial herb Blooming Period: April - May Habitat: Sandy, washes and roadcuts. • Joshua tree woodland • Mojavean desert scrub

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G3 G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 22
Element Occurrence Ranks:

A B C D X U

0 0 0 3 0 19

Population Status:

Historic >20 yrs	Recent <=20 yrs
15	7

Presence:

Present Extant	Possibly Extirpated	Extirpated
22	0	0

Notes

Possibly threatened by vehicles and road widening. On watch list in NV. See Proceedings of the American Academy of Arts and Sciences 14:291 (1879) for original description, North American Flora 24(1):22 (1919) for revised nomenclature, and Memoirs of the New York Botanical Garden 61:84-85 (1990) 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: 2001-01-01
Last Update: 2011-09-08

Location

Elevation: 610 - 1525 meters

California Endemic: no

States: California, Arizona, Nevada

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

Quads: name (DWR code) USGS code
Lake Arrowhead (132C) 34117C2, West Ord Mountain (156B) 34116F8, Stoddard Well (157A) 34117F1, Victorville NW (158B) 34117F4, Victorville (158D) 34117E3, Yermo (181A) 34116H7, Nebo (181B) 34116H8, Daggett (181C) 34116G8, Minneola (181D) 34116G7, Barstow (182A) 34117H1, Hodge (182C) 34117G2, Barstow SE (182D) 34117G1, Kramer Hills (183B) 34117H4, Astley Rancho (183C) 34117G4, Wild Crossing (183D) 34117G3, Mud Hills (207D) 35117A1, Kingston Peak (250B) 35115F8, Silurian Lake (251C) 35116E2

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

1994

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 .

-117.0,34.875