Taxon Details

Phacelia lyonii

Lyon's phacelia

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Phacelia lyonii, commonly known as Lyon's phacelia, is a annual herb in the Hydrophyllaceae that is found only in California. It occurs within Chaparral, Coastal bluff scrub, Coastal dunes, and Coastal scrub, growing at elevations from 0 to 460 meters. Phacelia lyonii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Phacelia lyonii Gray
Common Name: Lyon's phacelia
Family:	Hydrophyllaceae
Element Code:	PDHYD0C2U0
USDA Plants Symbol:	PHLY
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:
CRPR Changes: changed from CBR to 1B.2 on 2021-04-15
Add Date:	2021-04-15
Date Edited:	2021-10-08

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Oct

Elevation:
0 - 460 meters
0 - 1510 feet

General Habitats:

Coastal bluff scrub
Chaparral
Coastal dunes
Coastal scrub

Microhabitat Details:

Microhabitat:

Gravelly
Openings
Rocky
Talus

Notes

Notes:
Threats: Threatened by feral herbivores, overgrazing, and non-native plants. Possibly threatened by military activities.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					69
A	B	C	D	X	U
0	0	0	0	0	69

Occurrence Status:
Historical >20 Years	28
Recent <=20 Years	41

Presence:
Presumed Extant	69
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX)

Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island South (3211873), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845)

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

CNPS Rare Plant Inventory