- Aconitum columbianum — Columbia monkshood
- Aconitum delphiniifolium — larkspur-leaf monkshood
- Aconitum x bicolor
- Actaea elata — tall bugbane
- Actaea pachypoda — white baneberry
- Actaea racemosa — black bugbane
- Actaea rubra — red baneberry
- Actaea x ludovici
- Anemone canadensis — Canada anemone
- Anemone cylindrica — long-fruited anemone
- Anemone drummondii — Drummond's anemone
- Anemone lithophila — Little Belt Mountain thimbleweed
- Anemone lyallii — little mountain thimbleweed
- Anemone multiceps — Porcupine River thimbleweed
- Anemone multifida — Hudson Bay anemone
- Anemone narcissiflora — narcissus thimbleweed
- Anemone parviflora — smallflower anemone
- Anemone piperi — Piper's anemone
- Anemone quinquefolia — wood anemone
- Anemone richardsonii — yellow anemone
- Anemone virginiana — Virginia anemone
- Aquilegia brevistyla — smallflower columbine
- Aquilegia canadensis — wild columbine
- Aquilegia flavescens — yellow columbine
- Aquilegia formosa — crimson columbine
- Aquilegia jonesii — Jones' columbine
- Caltha leptosepala — slender-sepal marsh-marigold
- Caltha natans — floating marsh-marigold
- Caltha palustris — marsh-marigold
- Clematis columbiana — Columbian virgin's-bower
- Clematis hirsutissima — clustered leather-flower
- Clematis ligusticifolia — western virgin's-bower
- Clematis occidentalis — purple clematis
- Clematis virginiana — Virginia virgin's-bower
- Coptis aspleniifolia — spleenwort-leaf goldthread
- Coptis trifolia — goldthread
- Delphinium bicolor — flathead larkspur
- Delphinium brachycentrum — northern larkspur
- Delphinium burkei — meadow larkspur
- Delphinium carolinianum — Carolina larkspur
- Delphinium distichum — two-spike larkspur
- Delphinium glareosum — rockslide larkspur
- Delphinium glaucum — pale larkspur
- Delphinium menziesii — Puget Sound larkspur
- Delphinium nuttallianum — Nuttall's larkspur
- Delphinium sutherlandii — Sutherland's larkspur
- Delphinium x occidentale — duncecap larkspur
- Enemion biternatum — false rue-anemone
- Enemion savilei — Queen Charlotte Island false rue-anemone
- Anemone hepatica — roundlobe hepatica
- Hydrastis canadensis — goldenseal
- Kumlienia cooleyae — Cooley's buttercup
- Myosurus apetalus — bristly mousetail
- Myosurus minimus — eastern mousetail
- Pulsatilla occidentalis — western pasqueflower
- Pulsatilla patens — American pasqueflower
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- Ranunculus abortivus — kidneyleaf buttercup
- Ranunculus acris — tall buttercup
- Ranunculus alismifolius — water-plantain buttercup
- Ranunculus allenii — Allen's buttercup
- Ranunculus ambigens — water-plantain spearwort
- Ranunculus aquatilis — white water buttercup
- Ranunculus californicus — California buttercup
- Ranunculus cardiophyllus — heartleaf buttercup
- Ranunculus cymbalaria — seaside crowfoot
- Ranunculus eschscholtzii — Eschscholtz' buttercup
- Ranunculus eximius — tundra buttercup
- Ranunculus fascicularis — early buttercup
- Ranunculus ficaria — figroot buttercup
- Ranunculus flabellaris — yellow water-crowfoot
- Ranunculus flammula — lesser spearwort
- Ranunculus glaberrimus — sagebrush buttercup
- Ranunculus gmelinii — small yellow water-crowfoot
- Ranunculus hexasepalus — Queen Charlotte Island buttercup
- Ranunculus hispidus — hispid buttercup
- Ranunculus hyperboreus — arctic buttercup
- Ranunculus inamoenus — graceful buttercup
- Ranunculus karelinii — Karelin's arctic buttercup
- Ranunculus lapponicus — Lapland buttercup
- Ranunculus longirostris — eastern white water-crowfoot
- Ranunculus macounii — Macoun's buttercup
- Ranunculus nivalis — snowy buttercup
- Ranunculus occidentalis — western buttercup
- Ranunculus orthorhynchus — bird's-food buttercup
- Ranunculus pallasii — Pallas' buttercup
- Ranunculus pedatifidus — northern buttercup
- Ranunculus pensylvanicus — bristly crowfoot
- Ranunculus pygmaeus — dwarf buttercup
- Ranunculus recurvatus — hooked crowfoot
- Ranunculus rhomboideus — prairie buttercup
- Ranunculus sabinei — Sardinian buttercup
- Ranunculus sceleratus — cursed crowfoot
- Ranunculus suksdorfii — Suksdorf's buttercup
- Ranunculus sulphureus — sulphur buttercup
- Ranunculus trichophyllus — northeastern white water-crowfoot
- Ranunculus turneri — Turner's buttercup
- Ranunculus uncinatus — woodland buttercup
- Ranunculus verecundus — timberline buttercup
- Ranunculus x spitzbergensis
- Thalictrum alpinum — alpine meadowrue
- Thalictrum dasycarpum — purple meadowrue
- Thalictrum dioicum — early meadowrue
- Thalictrum occidentale — western meadowrue
- Thalictrum pubescens — tall meadowrue
- Thalictrum revolutum — waxleaf meadowrue
- Thalictrum sparsiflorum — few-flower meadowrue
- Thalictrum thalictroides — windflower
- Thalictrum venulosum — veined meadowrue
- Trautvetteria caroliniensis — Carolina tassel-rue
- Trollius laxus — spreading globeflower
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