Species Details

Ranunculus lobbii

Lobb's aquatic buttercup

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Classification

Scientific Name: Ranunculus lobbii (Heirn) Gray
Common Name: Lobb's aquatic buttercup
Family:	Ranunculaceae
Element Code:	PDRAN0L1J0
USDA Plants Symbol:	RALO
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3
Other Status:	IUCN_LC
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: annual herb (aquatic)

Blooming Period: Feb-May

Elevation:
15 - 470 meters
50 - 1540 feet

General Habitats:

Cismontane woodland
North Coast coniferous forest
Valley and foothill grassland
Vernal pools

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes: Threatened by urbanization, habitat alteration, agriculture, and development.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Alameda (ALA), Contra Costa (CCA), Lake (LAK), Marin (MRN), Mendocino (MEN), Monterey (MNT), Napa (NAP), Sacramento (SAC), San Mateo (SMT)(?), Santa Clara (SCL), Santa Cruz (SCR)(?), Solano (SOL), Sonoma (SON)

Quads: Name (Quad Code)
Aetna Springs (3812264), Bolinas (3712286), Briones Valley (3712282), Calistoga (3812255), Cazadero (3812351), Chiles Valley (3812253), Clayton (3712188), Cotati (3812236), Cuttings Wharf (3812223), Double Point (3712287), Drakes Bay (3812218), Glen Ellen (3812235), Goose Creek (3812131), Hayward (3712261), Healdsburg (3812257), Inverness (3812217), Kenwood (3812245), Lakeport (3912218), Las Trampas Ridge (3712271), Laurel (3712118), Marina (3612167), Mark West Springs (3812256), Mindego Hill (3712232), Mt. George (3812232), Mt. Vaca (3812241), Napa (3812233), Novato (3812215), Petaluma River (3812225), Purdys Gardens (3912311), Richmond (3712283), Rutherford (3812244), San Geronimo (3812216), San Mateo (3712253), San Rafael (3712285), Santa Rosa (3812246), Sears Point (3812224), Sebastopol (3812247), Spreckels (3612156), St. Helena (3812254), Tomales (3812228), Two Rock (3812237), Ukiah (3912322), Valley Ford (3812238), Watsonville East (3612186), Woodside (3712243), Yountville (3812243)

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