Weed Herbarium – by Scientific Name

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Hackelia
Hackelia virginiana beggarslice Boraginaceae - Borage Family
Helianthus
Helianthus tuberosus Jerusalem artichoke Asteraceae (Compositae) - Aster or Sunflower Family
Heracleum
Heracleum maximum see - Heracleum lanatum
Heracleum lanatum cow parsnip Apiaceae (Umbelliferae) - Carrot Family
Hesperis
Hesperis matronalis damesrocket Brassicaceae (Cruciferae) - Mustard Family
Hibicus
Hibicus tronium Venice mallow Malvaceae - Mallow Family
Hieracium
Hieracium lachenalii see - Hieracium vulgatum
Hieracium caespitosum see - Hieracium pratense
Hieracium aurantiacum orange hawkweed Asteraceae (Compositae) - Aster or Sunflower Family
Hieracium paniculatum panicled hawkweed Asteraceae (Compositae) - Aster or Sunflower Family
Hieracium pratense hawkweed Asteraceae (Compositae) - Aster or Sunflower Family
Hieracium vulgatum European hawkweed Asteraceae (Compositae) - Aster or Sunflower Family
Holcus
Holcus lanatus common velvet grass Poaceae (Graminae) - Grass Family
Houstonia
Houstonia caerulea bluets Rubiaceae - Madder Family
Humulus
Humulus japonicus Japanese hops Cannabaceae - Hemp Family
Hypericum
Hypericum perforatum St. Johnswort Hyperiacaceae - St. Johnswort Family
Hypochaeris
Hypochaeris radicata cat's ear Asteraceae (Compositae) - Aster or Sunflower Family