CNPS Inventory Plant Detail

Leptosiphon rosaceus

Common Name:	rose leptosiphon
Family:	Polemoniaceae
Synonyms:	Linanthus rosaceus
Element Code:	PDPLM09180
Full Name:	Leptosiphon rosaceus (Greene) R. Battaglia
USDA PLANTS Symbol:	LERO7

Biology
Lifeform: annual herb Blooming Period: April - July Habitat: • Coastal bluff scrub

Rarity Status
Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 25
Element Occurrence Ranks:

A B C D X U

0 5 5 2 7 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
7	18

Presence:

Present Extant	Possibly Extirpated	Extirpated
18	7	0

Notes
Possibly threatened by competition and non-native plants. Not in The Jepson Manual. See Curtis Bot. Mag. 96:tab. 5863 (1870) for original description, and Madroño 48(2):75 (2001) 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: 2001-01-01 Last Update: 2010-03-15

Location

Elevation: 0 - 100 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Marin (MRN), San Francisco (SFO) *, San Mateo (SMT), Sonoma (SON) *

Quads: name (DWR code) USGS code
Pigeon Point (409B)* 37122B4, San Gregorio (429C)* 37122C4, Montara Mountain (448C) 37122E4, San Francisco North (466C)* 37122G4, Tomales (485B) 38122B8, Drakes Bay (485C) 38122A8, Valley Ford (502C)* 38122C8, Plantation (520D)* 38123E3

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

1311

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-122.375,37.75