CNPS Inventory Plant Detail

Leptosiphon floribundus ssp. hallii

Common Name:	Santa Rosa Mountains leptosiphon
Family:	Polemoniaceae
Synonyms:	Linanthus floribundus ssp. hallii
Element Code:	PDPLM090J3
Full Name:	Leptosiphon floribundus (A. Gray) J. M. Porter & L. A. Johnson ssp. hallii (Jeps.) J.M. Porter & L.A. Johnson
USDA PLANTS Symbol:

Biology
Lifeform: perennial herb Blooming Period: May - July Habitat: • Pinyon and juniper woodland • Sonoran desert scrub

Rarity Status
CA Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G4T1 T1: Critically Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 6
Element Occurrence Ranks:

A B C D X U

0 0 0 0 0 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
6	0

Presence:

Present Extant	Possibly Extirpated	Extirpated
6	0	0

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. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1988-01-01 Last Update: 2010-03-15

Location

Elevation: 1000 - 2000 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Riverside (RIV), San Diego (SDG)

Quads: name (DWR code) USGS code
Fonts Point (046C) 33116C2, Clark Lake NE (047A) 33116D3, Collins Valley (047B) 33116D4, Bucksnort Mtn. (048A) 33116D5, Valerie (064C) 33116E2, Toro Peak (065C) 33116E4, Martinez Mtn. (065D) 33116E3

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

987

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-116.25,33.375