Species Details

Pediomelum castoreum

Beaver Dam breadroot

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Classification

Scientific Name: Pediomelum castoreum (Wats.) Rydb.
Common Name: Beaver Dam breadroot
Family:	Fabaceae
Element Code:	PDFAB5L050
USDA Plants Symbol:	PECA24
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S2
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes: changed from 4.3 to 1B.2 on 2011-06-29
Add Date:	2001-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-May

Elevation:
610 - 1525 meters
2000 - 5005 feet

General Habitats:

Joshua tree "woodland"
Mojavean desert scrub

Microhabitat Details:

Microhabitat:

Roadsides
Sandy
Washes

Notes

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.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%
No threats

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					26
A	B	C	D	X	U
0	0	2	3	0	21

Occurrence Status:
Historical >20 Years	18
Recent <=20 Years	8

Presence:
Presumed Extant	26
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), California (CA), Nevada (NV)

California Counties and Islands: Name (Code)
Inyo (INY), San Bernardino (SBD)

Quads: Name (Quad Code)
Astley Rancho (3411774), Barstow (3411781), Barstow SE (3411771), East of Kingston Peak (3511567), East of Kingston Spring (3511557), Emigrant Canyon (3611742), Helendale (3411763), Hodge (3411772), Kingston Peak (3511568), Kingston Spring (3511558), Kramer Hills (3411784), Lake Arrowhead (3411732), Lane Mountain (3511618), Minneola (3411677), Mud Hills (3511711), Nebo (3411688), Silverwood Lake (3411733), Stoddard Well (3411761), Victorville (3411753), Victorville NW (3411764), Water Valley (3511712), West Ord Mountain (3411668), White Horse Mtn. (3411658), Wild Crossing (3411773), Yermo (3411687)

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:

CRPR List Change on 2011-06-29