The Genus Ranunculus

Meadow Buttercup, Tall Buttercup: Ranunculus acris -

Dwarf Plantain-leaved Buttercup, Dwarf Plantainleaved Buttercup: Ranunculus alismifolius var. alismellus -

Plantain-leaved Buttercup: Ranunculus alismifolius var. alismifolius -

Leafy Water Buttercup, White Water Buttercup: Ranunculus aquatilis var. aquatilis -

Water Buttercup: Ranunculus aquatilis var. diffusus -

Field Buttercup, Corn Buttercup, Hungerweed: Ranunculus arvensis -

Southern Oregon Buttercup: Ranunculus austrooreganus -

California Buttercup: Ranunculus californicus -

Sacramento Valley Buttercup: Ranunculus canus -

Cooley's Buttercup: Ranunculus cooleyae -

Shore Buttercup, Seaside Buttercup, Alkali Buttercup: Ranunculus cymbalaria -

Eschscholtz's Buttercup: Ranunculus eschscholtzii var. eschscholtzii -

Lesser Celandine: Ranunculus ficaria (Synonym: Ranunculus ficaria var. bulbifera) -

Yellow Water Buttercup, Greater Creeping Spearwort: Ranunculus flabellaris -

Creeping Buttercup, Small Creeping Buttercup, Lesser Spearwort: Ranunculus flammula -

Wax Buttercup, Sagebrush Buttercup: Ranunculus glaberrimus var. glaberrimus -

Gormann's Buttercup: Ranunculus gormanii -

Downy Buttercup: Ranunculus hebecarpus -

Lobb's Buttercup, Lobb's Water Buttercup: Ranunculus lobbii -

Macoun's Buttercup: Ranunculus macounii -

Spiny-fruited Buttercup, Spiny-fruit Buttercup: Ranunculus muricatus -

Western Buttercup: Ranunculus occidentalis var. occidentalis (Synonyms: Ranunculus occidentalis var. dissectus, Ranunculus occidentalis var. eisenii, Ranunculus occidentalis var. howellii, Ranunculus occidentalis var. occidentalis, Ranunculus occidentalis var. rattanii, Ranunculus occidentalis var. ultramontanus) -

Western Swamp Buttercup, Straightbeak Buttercup, Straight-beak Buttercup, Bird's Foot Buttercup: Ranunculus orthorhynchus var. orthorhynchus -

Small-flowered Buttercup: Ranunculus parviflorus -

Mountain Buttercup, Popular Buttercup: Ranunculus populago -

Creeping Buttercup, Double-flowered Creeping Buttercup: Ranunculus repens - Flowers shiny yellow, quarter-sized, and with 5 or more petals. Leavesdark green, coarsely haired, and compound with deep lobes. Plants spread by runners across the ground. Plants to 1 foot tall.

Hairy Buttercup: Ranunculus sardous -

Blister Buttercup, Cursed Buttercup, Celery-leaved Buttercup, Celeryleaved Buttercup: Ranunculus sceleratus var. multifidus -

Suksdorf's Buttercup: Ranunculus suksdorfii -

Little Buttercup, Woodland Buttercup: Ranunculus uncinatus (Synonyms: Ranunculus bongardii, Ranunculus bongardii var. bongardii, Ranunculus bongardii var. tenellus, Ranunculus uncinatus var. parviflorus, Ranunculus uncinatus var. uncinatus) - Flowers small (less than dime-sized) and shiny yellow. flowers are found directly above the 3 lobed leaves. Plants to 2 feet tall.