Search by Common Name

72 records
Common Scientific Family
rabbitbells Crotalaria rotundifolia Fabaceae
rabbit-tobacco Pseudognaphalium obtusifolium Asteraceae
racemed milkwort Polygala polygama Polygalaceae
rare loco milkvetch Astragalus leptocarpus Fabaceae
rattlebox Sesbania drummondii Fabaceae
rattlesnake fern Botrychium virginianum Ophioglossaceae
rattlesnake-master Eryngium yuccifolium Apiaceae
ravenfoot sedge Carex crus-corvi Cyperaceae
rayless sunflower Helianthus radula Asteraceae
red bay Persea borbonia Lauraceae
red buckeye Aesculus pavia Hippocastanaceae
red chokeberry Aronia arbutifolia Rosaceae
red clover Trifolium pratense Fabaceae
red honeysuckle Lonicera sempervirens Caprifoliaceae
red lovegrass Eragrostis secundiflora Poaceae
red maids Calandrinia ciliata Montiaceae
red maple Acer rubrum Aceraceae
red milkweed Asclepias rubra Asclepiadaceae
red mulberry Morus rubra Moraceae
red rattlebox Sesbania punicea Fabaceae
red rice Oryza punctata Poaceae
red spider lily Lycoris radiata Liliaceae
red spiderling Boerhavia diffusa Nyctaginaceae
redring milkweed Asclepias variegata Asclepiadaceae
redroot flatsedge Cyperus erythrorhizos Cyperaceae
redstar Ipomoea coccinea Convolvulaceae
redstem stork's bill Erodium cicutarium Geraniaceae
redtop panicgrass Coleataenia longifolia ssp. rigidula Poaceae
redwhisker clammyweed Polanisia dodecandra Capparaceae
rescuegrass Bromus catharticus Poaceae
resurrection fern Pleopeltis polypodioides Polypodiaceae
reverchon's spiderwort Tradescantia reverchonii Commelinaceae
ribbed mock bishop-weed Ptilimnium costatum Apiaceae
rice Oryza sativa Poaceae
rice button aster Symphyotrichum dumosum Asteraceae
rice cutgrass Leersia oryzoides Poaceae
ricefield flatsedge Cyperus iria Cyperaceae
ridge stem false-foxglove Agalinis oligophylla Scrophulariaceae
rio grande copperlily Habranthus tubispathus Liliaceae
river birch Betula nigra Betulaceae
riverbank grape Vitis riparia Vitaceae
riverflat hawthorn Crataegus opaca Rosaceae
riverswamp nutrush Scleria hirtella Cyperaceae
robin's plantain Erigeron pulchellus Asteraceae
romerillo Bidens alba Asteraceae
rose bluet Houstonia rosea Rubiaceae
rose mock vervain Glandularia canadensis Verbenaceae
rose of plymouth Sabatia stellaris Gentianaceae
rose of sharon Hibiscus syriacus Malvaceae
rosemallow Hibiscus lasiocarpos Malvaceae
rosemary frostweed Helianthemum rosmarinifolium Cistaceae
rosepink Sabatia angularis Gentianaceae
rosy camphor-weed Pluchea baccharis Asteraceae
rougeplant Rivina humilis Phytolaccaceae
rough dropseed Sporobolus clandestinus Poaceae
rough falsepennyroyal Hedeoma hispida Lamiaceae
rough mexican clover Richardia scabra Rubiaceae
roughleaf coneflower Rudbeckia scabrifolia Asteraceae
roughleaf dogwood Cornus drummondii Cornaceae
roughstem rosinweed Silphium radula Asteraceae
roundfruit hedgehyssop Gratiola virginiana Scrophulariaceae
round-head bushclover Lespedeza capitata Fabaceae
round-head rush Juncus validus Juncaceae
roundleaf bluet Houstonia procumbens Rubiaceae
roundleaf ragwort Packera obovata Asteraceae
roundleaf thoroughwort Eupatorium rotundifolium Asteraceae
round-pod st. john's wort Hypericum cistifolium Clusiaceae
roundseed panicum Dichanthelium sphaerocarpon Poaceae
royal fern Osmunda regalis Osmundaceae
runner oak Quercus margarettae Fagaceae
rusty blackhaw Viburnum rufidulum Caprifoliaceae
rustyseed paspalum Paspalum langei Poaceae