Taxon Report

Phacelia mohavensis Gray

Mojave phacelia

Print Report

Taxon Summary

Phacelia mohavensis, commonly known as Mojave phacelia, is a annual herb in the Hydrophyllaceae that is found only in California. It occurs within Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 1400 to 2500 meters. Phacelia mohavensis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Phacelia mohavensis Gray
Common Name:	Mojave phacelia
Family:	Hydrophyllaceae
Element Code:	PDHYD0C310
USDA Plants Symbol:	PHMO
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-Aug	Apr-Aug
Elevation:	1400-2500 (4595-8205)
General Habitats:	Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland
Microhabitat:	Gravelly (sometimes), Sandy (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4Q
State Rank:	S4
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; SB_USDA
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Los Angeles (LAX), San Bernardino (SBD), Tulare (TUL), Ventura (VEN)
Quads: Name (Quad Code)
Big Bear City (3411637), Big Bear Lake (3411628), Butler Peak (3411731), Chilao Flat (3411831), Crystal Lake (3411737), Cucamonga Peak (3411725), Fawnskin (3411638), Harrison Mtn. (3411722), Keller Peak (3411721), Lake Arrowhead (3411732), Mescal Creek (3411746), Newhall (3411845), Pacifico Mountain (3411841), Rimrock (3411625), Sawmill Mountain (3411972), Silverwood Lake (3411733), Telegraph Peak (3411735), Tobias Peak (3511875), Waterman Mtn. (3411738)

Threat List Data from the CNDDB


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

Notes



Difficult to separate from P. exilis. See Synoptical Flora of North America 2(1):164 (1878) for original description, and Systematic Botany 13(1):16-20 (1988) for additional information.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 12 February 2025].