Weed Herbarium – by Family Name

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Asteraceae (Compositae) - Aster or Sunflower Family
Common Name Scientific Name
hawksbeard, narrowleaf Crepis tectorum
hawkweed, European Hieracium vulgatum
hawkweed, orange Hieracium aurantiacum
hawkweed, panicled Hieracium paniculatum
hawkweed Hieracium pratense
horseweed Conyza canadensis
Jerusalem artichoke Helianthus tuberosus
Joe-pye weed, eastern Eupatorium dubium
Joe-pye weed, hollow-stemmed Eupatorium fistulosum
Joe-pye weed, spotted Eupatorium maculatum
Joe-pye weed, sweet Eupatorium purpureum
knapweed, spotted Centaurea maculosa
lettuce, biennial Lactuca biennis
lettuce, prickly Lactuca serriola
lettuce, tall Lactuca canadensis
mugwort Artemisia vulgaris
nipplewort Lapsana communis
pearly-everlasting Anaphalis margaritacea
pilewort Erechtites hieraciifolia
pineappleweed Matricaria matricariodes
pussytoes, field Antennaria neglecta
ragweed , common Ambrosia artemisiifolia
ragweed, giant Ambrosia trifida
ragwort, tansy Senecio jacobaea
salsify, yellow Tragopogon dubius
snakeroot, white Eupatorium rugosum
sowthistle, annual Sonchus oleraceus
sowthistle, perennial Sonchus arvensis
sowthistle, spiny Sonchus asper
tansy Tanacetum vulgare
thistle, bull Cirsium vulgare
thistle, Canada Cirsium arvense
wingstem Verbesina alternifolia
yarrow Achillea millefolium

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