Weed Id guide
ALL

Common NameLatin Name
Calamint Calamintha nepeta
Calepina Calepina irregularis
Caltrop see Puncturevine
Canada Onion see Wild Onion
Canada Thistle Cirsium arvense
Canadian Garlic see Wild Onion
Cancer weed see Lyreleaf Sage
Cancer-root see Squaw-root
Caper Spurge Euphorbia lathyris
Carolina False Dandelion Pyrrhopappus carolinianus
Carolina Foxtail Alopecurus carolinianus
Carolina Geranium Geranium carolinianum
Carpet Bentgrass see Creeping Bentgrass
Carpet Bugle see Bugleweed
Carpetweed Mollugo verticillata
Castor Bean Ricinus communis
Castor Oil Plant see Castor Bean
Cat'S Clover see Birdsfoot Trefoil
Catchweed Bedstraw Galium mollugo
Catmint see Catnip
Catnip Nepeta cataria
Cattails Nympha spp.
Catwort see Catnip
Celery-Leaf Buttercup see Crowfoot Buttercup
Centipedegrass Eremochloa ophiuroides
Chara Chara spp.
Cheat Bromus secalinus
Chicory Cichorium intybus
Chinese Lantern see Apple-of-Peru
Chinese Yam Dioscorea batatas
Cinnamon Vine see Chinese Yam
Clammy Groundcherry Physallis heterophylla
Clasping Milkweed Asclepias amplexicaule
Cleavers see Catchweed Bedstraw
Climbing False Buckwheat Polygonum scandens
Climbing Rose see Prairie Rose
Cockspur Thorn Crataegus crus-galli
Coco see Purple Nutsedge
Coffee Senna Cassia occidentalis
Common Balm see Bee-balm
Common Beggarticks see Devils Beggarticks
Common Blue Violet Viola papilionacea
Common Bugleweed see Bugleweed
Common Burdock Arctium minus
Common Buttonweed see Poorjoe
Common Catsear Hypochoeris radicata
Common Chickweed Stellaria media
Common Cocklebur Xanthium strumarium
Common Dayflower see Asiatic Dayflower
Common Dewberry see Northern Dewberry
Common Duckweeds see Duckweeds
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 Saint Johnswort see Saint Johnswort
Common Sunflower Helianthus annuus
Common Tansy Tanacetum vulgare
Common Teasel Dipsacus fullonum
Common Toadflax Linaria canadensis
Common Unicorn Plant see Devil's Claw
Common Venus Looking-glass Triodanis perfoliata
Common Vetch Vicia sativa
Common Waterhemp Amaranthus tuberculatus
Common Yarrow Achillea millefolium
Compass Plant Silphium laciniatum
Coontail Ceratophyllum demersum
Coralberry see Buckbrush
Coreopsis Beggarticks Bidens polylepis
Corn Buttercup Ranunculus arvensis
Corn Campion see Corn Cockle
Corn Cockle Agrostemma githago
Corn Rose see Corn Cockle
Corn Speedwell Veronica arvensis
Corn Spurry Spergula arvensis
Cornflower Centaurea cyanus
Cornsalad Valerianella radiata
Cotton Morningglory Ipomoea cordatotriloba
Cotton thistle see Scotch Thistle
Cottonwood Populus deltoides
Cow-itch see Trumpetcreeper
Creamy Wild Indigo Baptisia leucophaea
Creeping Bentgrass Agrostis palustris
Creeping Phlox Phlox subulata
Creeping Red Woodsorrel Oxalis corniculata
Creeping Rush Juncus repens
Creeping Water Purslane see Waterpurslane
Creeping Woodsorrel see Creeping Red Woodsorrel
Creeping charlie see Ground Ivy
Cressleaf Groundsel Senecio glabellus
Crested anoda see Spurred Anoda
Crossvine Bignonia capreolata
Crow Toes see Birdsfoot Trefoil
Crowfoot Buttercup Ranunculus sceleratus
Crowfoot violet see Birds Foot Violet
Crowfootgrass Dactyloctenium aegyptium
Crownvetch Coronilla varia
Cup Plant Silphium perfoliatum
Curly Dock Rumex crispus
Curlyleaf Pondweed Potamogeton crispus
Cursed Buttercup see Crowfoot Buttercup
Cursed Crowfoot see Crowfoot Buttercup
Cutleaf Eveningprimrose Oenothera laciniata
Cutleaf Geranium Geranium dissectum
Cutleaf Teasel Dipsacus laciniatus
Cypress Spurge Euphorbia cyparissias
Cypressvine Morningglory Ipomoea quamoclit
Cypressweed see Dogfennel