Taxon Details

Leptosiphon floribundus ssp. hallii

Santa Rosa Mountains leptosiphon

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Photo of Leptosiphon floribundus ssp. hallii

Taxon Summary:

Leptosiphon floribundus ssp. hallii, commonly known as Santa Rosa Mountains leptosiphon, is a perennial herb in the Polemoniaceae that is found only in California. It occurs within Pinyon and juniper woodland, and Sonoran desert scrub, growing at elevations from 1000 to 2000 meters. Leptosiphon floribundus ssp. hallii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Leptosiphon floribundus (A. Gray) J. M. Porter & L. A. Johnson ssp. hallii (Jeps.) J.M. Porter & L.A. Johnson
Common Name: Santa Rosa Mountains leptosiphon
Family:	Polemoniaceae
Element Code:	PDPLM090J3
USDA Plants Symbol:
Synonyms/Other Names: Linanthus floribundus (Gray) Mlkn. ssp. hallii (Jeps.) Mason
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G4T1T2
State Rank:	S1S2
Other Status:	BLM_S; USFS_S
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jul(Nov)

Elevation:
1000 - 2000 meters
3280 - 6560 feet

General Habitats:

Pinyon and juniper woodland
Sonoran desert scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Known only from the Santa Rosa Mtns. Possibly threatened by recreational activities. A synonym of Linanthus floribundus ssp. hallii in The Jepson Manual. See Aliso 19(1):55-91 (2000) for revised nomenclature.
Threats:
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:					6
A	B	C	D	X	U
0	0	0	0	0	6

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	0

Presence:
Presumed Extant	6
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Riverside (RIV), San Diego (SDG)

Quads: Name (Quad Code)
Bucksnort Mtn. (3311645), Clark Lake NE (3311643), Collins Valley (3311644), Fonts Point (3311632), Martinez Mtn. (3311653), Toro Peak (3311654), Valerie (3311652)

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 Rare Plant Inventory