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Alisma Leaved Buttercup

Ranunculus alismifolius

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Plantainleaf Buttercup

Ranunculus alismifolius var. alismellus

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Plantainleaf Buttercup

Ranunculus alismifolius var. alismifolius

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Ranunculus alismifolius var. hartwegii

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Ranunculus alismifolius var. lemmonii

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Anderson's Buttercup

Ranunculus andersonii

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Common Water-crowfoot

Ranunculus aquatilis

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Ranunculus aquatilis var. aquatilis

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Hairleaf Water Buttercup

Ranunculus aquatilis var. diffusus

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Carter's Buttercup

Ranunculus bonariensis

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Carter's Buttercup

Ranunculus bonariensis var. trisepalus

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California Buttercup

Ranunculus californicus

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Ranunculus californicus var. californicus

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Ranunculus californicus var. cuneatus

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Sacramento Valley Buttercup

Ranunculus canus

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Ranunculus canus var. canus

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Ranunculus canus var. ludovicianus

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Desert Buttercup

Ranunculus cymbalaria

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Eschscholtz's Buttercup

Ranunculus eschscholtzii

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Eschscholtz's Buttercup

Ranunculus eschscholtzii var. eschscholtzii

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Eschscholtz's Buttercup

Ranunculus eschscholtzii var. oxynotus

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Ranunculus eschscholtzii var. suksdorfii

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Yellow Water Buttercup

Ranunculus flabellaris

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Buttercup

Ranunculus flammula

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Greater Creeping Spearwort

Ranunculus flammula var. flammula

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Ranunculus flammula var. ovalis

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Smooth Buttercup

Ranunculus glaberrimus

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Elliptical Buttercup

Ranunculus glaberrimus var. ellipticus

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Sagebrush Buttercup

Ranunculus glaberrimus var. glaberrimus

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Gorman's Buttercup

Ranunculus gormanii

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Delicate Buttercup

Ranunculus hebecarpus

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Frog's-bit Buttercup

Ranunculus hydrocharoides

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Waterfall False Buttercup

Ranunculus hystriculus

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Lobb's Buttercup

Ranunculus lobbii

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Macoun's Buttercup

Ranunculus macounii

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Western Buttercup

Ranunculus occidentalis

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Ranunculus occidentalis var. dissectus

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Ranunculus occidentalis var. howellii

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Western Buttercup

Ranunculus occidentalis var. occidentalis

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Ranunculus occidentalis var. ultramontanus

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Straightbeak Buttercup

Ranunculus orthorhynchus

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Bloomer's Buttercup

Ranunculus orthorhynchus var. bloomeri

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Straightbeak Buttercup

Ranunculus orthorhynchus var. orthorhynchus

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Ranunculus orthorhynchus var. platyphyllus

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Popular Buttercup

Ranunculus populago

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Low Spearwort

Ranunculus pusillus

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Cursed Buttercup

Ranunculus sceleratus

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Cursed Buttercup

Ranunculus sceleratus var. multifidus

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Woodland Buttercup

Ranunculus uncinatus