UMass Extension Weed Herbarium

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Common Name Scientific Name Family Name
hawkweed, European Hieracium vulgatum Asteraceae (Compositae) - Aster or Sunflower Family
hawkweed, field see - hawkweed
hawkweed, orange Hieracium aurantiacum Asteraceae (Compositae) - Aster or Sunflower Family
hawkweed, panicled Hieracium paniculatum Asteraceae (Compositae) - Aster or Sunflower Family
hayfever weed see - ragweed , common
heal-all Prunella vulgaris Lamiaceae (Labiatae) - Mint Family
heliotrope, garden see - valerian , common
hellebore, false or Indian see - false hellebore, green
hemp, American see - dogbane, hemp
hemp, Indian see - dogbane, hemp
hempnettle, common Galeopsis tetrahit Lamiaceae (Labiatae) - Mint Family
henbit Lamium amplexicaule Lamiaceae (Labiatae) - Mint Family
herdgrass see - timothy
hog-peanut Amphicarpaea bracteata Fabaceae (Leguminosae) - Pea or Bean Family
honeysuckle, Japanese Lonicera japonica Caprifoliaceae - Honeysuckle Family
hops, Japanese Humulus japonicus Cannabaceae - Hemp Family
horsebalm Collinsonia canadensis Lamiaceae (Labiatae) - Mint Family
horsenettle Solanum carolinense Solanaceae - Nightshade Family
horsetail, field Equisetum arvense Equisetaceae - Horsetail Family
horsetail, scouringrush see - scouring rush
horseweed Conyza canadensis Asteraceae (Compositae) - Aster or Sunflower Family
Indian poke see - false hellebore, green
Indiangrass, yellow Sorghastrum nutans Poaceae (Graminae) - Grass Family
inkberry see - pokeweed, common
ironweed see - wingstem
ivy, ground Glechoma hederacea Lamiaceae (Labiatae) - Mint Family
ivy-leaved toadflax see - Kenilworth ivy
jacob's-ladder see - carrion flower
jamestownweed see - jimsonweed
Jerusalem artichoke Helianthus tuberosus Asteraceae (Compositae) - Aster or Sunflower Family
jewelweed see - touch-me-not, spotted
jewelweed, pale see - touch-me-not, pale
jewgrass see - stiltgrass, Japanese
jimsonweed Datura stramonium Solanaceae - Nightshade Family
Joe-pye weed, eastern Eupatorium dubium Asteraceae (Compositae) - Aster or Sunflower Family
Joe-pye weed, hollow-stemmed Eupatorium fistulosum Asteraceae (Compositae) - Aster or Sunflower Family
Joe-pye weed, purple-node see - Joe-pye weed, sweet
Joe-pye weed , purple-stem see - Joe-pye weed, sweet
Joe-pye weed, spotted Eupatorium maculatum Asteraceae (Compositae) - Aster or Sunflower Family
Joe-pye weed, sweet Eupatorium purpureum Asteraceae (Compositae) - Aster or Sunflower Family
Joe-pye weed, sweet-scented see - Joe-pye weed, sweet
johnny-jump-ups see - violet, common blue
Johnson grass Sorghum halepense Poaceae (Graminae) - Grass Family
jumpseed see - knotweed, Virginia
Kenilworth ivy Cymbalaria muralis Scrophulariaceae - Figwort Family
king devil see - hawkweed
king-of-the-meadow see - meadow rue, tall
knapweed, spotted Centaurea maculosa Asteraceae (Compositae) - Aster or Sunflower Family
knawel Scleranthus annuus Caryophyllaceae - Pink Family
knotweed, black fringed Polygonum cilinode Polygonaceae - Smartweed or Buckwheat Family

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