Common Weed Names: C

Common Name Scientific Name
Calamint Calamintha nepeta
Calepina Calepina irregularis
Campion, Bladder Silene vulgaris
Campion, White Silene alba
Canada Goldenrod Solidago canadensis
Canada Thistle Cirsium arvense
Cancer-root Conopholis americana
Caper Spurge Euphorbia lathyris
Carolina Geranium Geranium carolinianum
Carpetweed Mollugo verticillata
Carrot, Wild Daucus carota
Catnip Nepeta cataria
Catsear, Common Hypochoeris radicata
Cattails Typha spp.
Centipedegrass Eremochloa ophiuroides
Chara Chara spp.
Chickweed, common Stellaria media
Chickweed, mouse-ear Cerastium vulgatum
Chicory Cichorium intybus
Chinese Yam Dioscorea batatas
Cinnamon Vine Dioscorea batatas
Cinquefoil, Sulfur Potentilla recta
Clammy Groundcherry Physalis heterophylla
Clover, Japanese Lespedeza striata
Clover, Rabbitfoot Trifolium arvense
Clover, Red Trifolium pratense
Clover, White Trifolium repens
Clover, White Sweet Melilotus alba
Cocklebur, Common Xanthium strumarium
Cocklebur, Spiny Xanthium spinosum
Coffee Senna Senna occidentalis
Common Blue Violet Viola papilionacea
Common Burdock Arctium minus
Common Buttonweed Diodia teres
Common Catsear Hypochoeris radicata
Common Cocklebur Xanthium strumarium
Common Dayflower Commelina communis
Common Eveningprimrose Oenothera biennis
Common Groundsel Senecio vulgaris
Common Lambsquarters Chenopodium album
Common Lespedeza Lespedeza striata
Common Mallow Malva neglecta
Common Milkweed Asclepias syriaca
Common Mullein Verbascum thapsus
Common Pokeweed Phytolacca americana
Common Purslane Portulaca oleracea
Common Ragweed Ambrosia artemisiifolia
Common Reed Phragmites australis
Common Teasel Dipsacus fullonum
Common Toadflax Linaria canadensis
Common Venus' Looking-glass Triodanis perfoliata
Common Vetch Vicia sativa
Common Yarrow Achillea millefolium
Coontail Ceratophyllum demersum
Copperleaf, Hophornbeam Acalypha ostryifolia
Copperleaf, Virginia Acalypha virginica
Coral-Berry Smphoricarpos orbiculatus
Coreopsis Beggarticks Bidens polylepis
Corn Buttercup Ranunculus arvensis
Cornflower Centaurea cyanus
Corn Salad Valerianella radiata
Corn Spurry Spergula arvensis
Cotton Morningglory Ipomoea cordatotriloba*
Cow-itch Campsis radicans
Crabgrass, Large Digitaria sanguinalis
Crabgrass, Smooth Digitaria ischaemum
Creeping Phlox Phlox subulata
Creeping Primrose Ludwigia palustris
Creeping Rush Juncus repens
Creeping Woodsorrel Oxalis corniculata
Cress, Mouse-ear Arabidopsis thaliana
Crossvine Bignonia capreolata
Croton, Tropic Croton glandulosus
Crowfootgrass Dactyloctenium aegyptium
Crowfoot, Small-flowered Ranunculus abortivus
Crownbeard, Yellow Verbesina occidentalis
Crownvetch Coronilla varia
Cudweed, Purple Gnaphalium purpureum
Curly Dock Rumex crispus
Curlyleaf Pondweed Potamogeton crispus
Cutleaf Eveningprimrose Oenothera laciniata
Cutleaf Geranium Geranium dissectum
Cypress Spurge Euphorbia cyparissias
Cypressvine Morningglory Ipomoea quamoclit
*The full scientific name is Ipomoea cordatotriloba var. torreyana