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Scientific names

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Ranunculus abortivus
Kidneyleaf Buttercup
Ranunculus bulbosus
Bulbous Buttercup
Ranunculus caricetorum
Hispid Buttercup
Ranunculus ficaria
Lesser Celandine
Ranunculus flabellaris
Yellow Water-crowfoot
Ranunculus hispidus var. caricetorum
Hispid Buttercup
Ranunculus recurvatus var. recurvatus
Hooked Buttercup
Ranunculus repens
Creeping Buttercup
Ranunculus sceleratus var. sceleratus
Cursed Buttercup
Ranunculus septentrionalis var. caricetorum
Hispid Buttercup
Raphanus raphanistrum
Wild Radish
Ratibida columnifera
Columnar Prairie Coneflower
Reynoutria japonica
Japanese Knotweed
Rhexia mariana var. mariana
Maryland Meadowbeauty
Rhexia virginica
Virginia Meadowbeauty
Rhizomnium punctatum
Red Penny Moss
Rhododendron maximum
Great Rhododendron
Rhododendron nudiflorum
Pinxterbloom Azalea
Rhododendron periclymenoides
Pinxterbloom Azalea
Rhododendron viscosum
Swamp Azalea
Rhodotypos scandens
Jetbead
Rhus copallinum
Winged Sumac
Rhus glabra
Smooth Sumac
Rhus typhina
Hairy Sumac
Robinia hispida var. hispida
Bristly Locust
Robinia pseudoacacia
Black Locust
Rorippa islandica var. microcarpa
Bog Yellowcress
Rorippa nasturtium-aquaticum
Watercress
Rorippa palustris var. palustris
Bog Yellowcress
Rosa carolina subsp. carolina
Carolina Rose
Rosa multiflora
Multiflora Rose
Rosa palustris
Swamp Rose
Rosa rugosa
Rugosa Rose
Rubus allegheniensis
Allegheny Blackberry
Rubus enslenii
Yankee Blackberry
Rubus flagellaris
Yankee Blackberry
Rubus laciniatus
Evergreen Blackberry
Rubus occidentalis
Black Raspberry
Rubus odoratus
Purple-flowering Raspberry
Rubus parvifolius
Three-leaf Blackberry
Rubus phoenicolasius
Wineberry
Rubus triphyllus
Three-leaf Blackberry
Rudbeckia hirta var. pulcherrima
Black-eyed Susan
Rudbeckia laciniata var. laciniata
Green-head Coneflower
Ruellia caroliniensis
Carolina Wild Petunia
Rumex acetosella
Sheep Dock
Rumex crispus
Curly Dock
Rumex obtusifolius
Bitter Dock