Virginia Tech Weed Identification Guide

Wildflowers:

(Species that rarely occur as 'weeds' but are more commonly recognized by their attractive flowers.)
Common Name Scientific Name
Artichoke, Jerusalem Helianthus tuberosus
Asiatic Dayflower Commelina communis
Bachelor's Buttons Centaurea cyanus
Bear-grass Yucca filamentosa
Bearsfoot Smallanthus uvedalia
Beggarticks, Coreopsis Bidens polylepis
Bird's Foot Violet Viola pedata
Bloodroot Sanguinaria canadensis
Blue Phlox Phlox divaricata
Bluebells, Virginia Mertensia virginica
Blueweed Echium vulgare
Butterfly Weed Asclepias tuberosa
Cancer-root Conopholis americana
Carrot, Wild Daucus carota
Chicory Cichorium intybus
Common Blue Violet Viola papilionacea
Common Dayflower Commelina communis
Common Mullein Verbascum blattaria
Common St. Johnswort Hypericum perforatum
Common Toadflax Linaria canadensis
Common Venus' Looking-glass Triodanis perfoliata
Common Yarrow Achillea millefolium
Coreopsis Beggarticks Bidens polylepis
Cornflower Centaurea cyanus
Cowslip, Virginia Mertensia virginica
Crossvine Bignonia capreolata
Crowfoot Violet Viola pedata
Crownbeard, Yellow Verbesina occidentalis
Daisy, Oxeye Chrysanthemum leucanthemum
Dame's Rocket Hesperis matronalis
Dayflower, Common Commelina communis
Deptford Pink Dianthus armeria
Dutchman's Breeches Dicentra cucullaria
Dwarf Larkspur Delphinium tricorne
Field Poppy Papaver dubium
Fire Pink Silene virginica
Garlic Mustard Allaria petiolata
Honeysuckle, Japanese Lonicera japonica
Honeysuckle, Morrow's Bush Lonicera morrowii
Indian Mock-Strawberry Duchesnea indica
Ironweed, New York Vernonia noveboracensis
Japanese Honeysuckle Lonicera japonica
Jerusalem Artichoke Helianthus tuberosus
Jewelweed Impatiens capensis
Knapweed, Spotted Centaurea maculosa
Larkspur, Dwarf Delphinium tricorne
Leaf Cup, Yellow-flowered Smallanthus uvedalia
Lupine, Perennial Lupinus perennis
Mayapple Podophyllum peltatum
Mayweed Chamomile Anthemis cotula
Milkweed, Butterfly Asclepias tuberosa
Morrow's Bush-Honeysuckle Lonicera morrowii
Moth Mullein Verbascum blattaria
Mullein, Common Verbascum blattaria
Mullein, Moth Verbascum blattaria
Multiflora Rose Rosa multiflora
Mustard, Garlic Allaria petiolata
New York Ironweed Vernonia noveboracensis
Oxeye Daisy Chrysanthemum leucanthemum
Partridgepea Cassia fasciculata
Perennial Lupine Lupinus perennis
Phacelia Phacelia dubia
Phlox, Blue Phlox divaricata
Poppy, Field Papaver dubium
Queen Anne's Lace Daucus carota
Ragwort, Wooly Senecio tomentosus
Rose, Multiflora Rosa multiflora
Spanishneedles Bidens bipinnata
Spotted Knapweed Centaurea maculosa
Squaw-root Conopholis americana
Stickweed Verbesina occidentalis
St. Johnswort Hypericum perforatum
Strawberry, Indian-Mock Duchesnea indica
Thistle, Star Centaurea maculosa
Toadflax, Common Linaria canadensis
Touch-me-not Impatiens capensis
Trumpetcreeper Campsis radicans
Venus' Looking-glass Triodanis perfoliata
Violet, Crowfoot Viola pedata
Violet, Common Blue Viola papilionacea
Viper's Blugoss Echium vulgare
Virginia Bluebells Mertensia virginica
Wild Carrot Daucus carota
Wingstem Verbesina alternifolia
Wooly Ragwort Senecio tomentosus
Yarrow, Common Achillea millefolim
Yellow Crownbeard Verbesina occidentalis
Yellow-flowered Leaf Cup Smallanthus uvedalia
Yucca Yucca filamentosa