Species Details

Phacelia saxicola

stonecrop phacelia

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Species Description:

Phacelia saxicola, commonly known as stonecrop phacelia, is a annual herb in the Hydrophyllaceae that is found in California and elsewhere. It occurs within Great Basin scrub, growing at elevations from 1270 to 1890 meters. Phacelia saxicola is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Phacelia saxicola A. Gray
Common Name: stonecrop phacelia
Family:	Hydrophyllaceae
Element Code:	PDHYD0C480
USDA Plants Symbol:	PHSA
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G3?
State Rank:	S2
Other Status:
CRPR Changes: added to 2B.3 on 2024-03-07
Add Date:	2024-03-07
Date Edited:	2024-10-02

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jun(Jul)

Elevation:
1270 - 1890 meters
4165 - 6200 feet

General Habitats:

Great Basin scrub

Microhabitat Details: Occurs on limestone in other states; expected on limestone in California.

Microhabitat:

Gravelly
Rocky
Volcanic

Notes

Notes:
Threats: Possibly threatened by grazing, non-native plants, and recreational activities
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	5 %
Other	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					22
A	B	C	D	X	U
0	0	0	0	0	22

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	19

Presence:
Presumed Extant	22
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), Mono (MNO)

Quads: Name (Quad Code)
Casa Diablo Mtn. (3711855), Chidago Canyon (3711854), Fish Slough (3711844), Rovana (3711845), Toms Place (3711856)

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

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CNPS Status Review:	Proposed addition to CRPR 2B.3, G3/ S2 (2024)
Original Description:	Proceedings of the American Academy of Arts and Sciences Vol. (20): 304. (1885)

CNPS Rare Plant Inventory