Taxon Report

Ranunculus lobbii (Heirn) Gray

Lobb's aquatic buttercup

Print Report


  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:

Ecology and Life History
Lifeform: annual herb (aquatic)
Blooming Period: Feb-May Feb-May
Elevation: 15-470 (50-1540)
General Habitats: Cismontane woodland, North Coast coniferous forest, Valley and foothill grassland, Vernal pools
Microhabitat: Mesic
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 4.2
Global Rank: G4
State Rank:
 S3
State List: None
Fed List: None
Other Status: IUCN_LC
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:  False
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)

Threat List Data from the CNDDB

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

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

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].