Weed Herbarium – by Scientific Name

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
Abutilon
Abutilon theophrasti velvetleaf Malvaceae - Mallow Family
Acalypha
Acalypha rhomboidea copper-leaf, rhombic Euphorbiaceae - Spurge Family
Achillea
Achillea millefolium yarrow Asteraceae (Compositae) - Aster or Sunflower Family
Actinomeris
Actinomeris alternifolia see - Verbesina alternifolia
Aegopodium
Aegopodium podagraria goutweed, bishops Apiaceae (Umbelliferae) - Carrot Family
Ageratina
Ageratina altissima see - Eupatorium rugosum
Agrimonia
Agrimonia gryposepala agrimony Rosaceae - Rose Family
Agropyron
Agropyron repens see - Elytrigia repens
Agrostis
Agrostis palustris see - Agrostis stolonifera
Agrostis stolonifera bentgrass, creeping Poaceae (Graminae) - Grass Family
Ailanthus
Ailanthus altissima tree-of-Heaven Simaroubaceae - Quassia Family
Akebia
Akebia quinata akebia, five-leaf Lardizabalaceae - Lardizabala Family
Alliaria
Alliaria petiolata mustard, garlic Brassicaceae (Cruciferae) - Mustard Family
Allium
Allium vineale garlic, wild Liliaceae - Lily Family
Alopecurus
Alopecurus pratensis foxtail, meadow Poaceae (Graminae) - Grass Family
Amaranthus
Amaranthus lividus pigweed, livid Amaranthaceae - Amaranth Family
Amaranthus retroflexus pigweed, red root Amaranthaceae - Amaranth Family
Amaranthus spinosus amaranth, spiny Amaranthaceae - Amaranth Family
Ambrosia
Ambrosia artemisiifolia ragweed , common Asteraceae (Compositae) - Aster or Sunflower Family
Ambrosia trifida ragweed, giant Asteraceae (Compositae) - Aster or Sunflower Family
Ampelopsis
Ampelopsis brevipedunculata porcelainberry Vitaceae - Grape Family
Amphicarpaea
Amphicarpaea bracteata hog-peanut Fabaceae (Leguminosae) - Pea or Bean Family
Anagallis
Anagallis arvensis pimpernel, scarlet Primulaceae - Primrose Family
Anaphalis
Anaphalis margaritacea pearly-everlasting Asteraceae (Compositae) - Aster or Sunflower Family
Andropogon
Andropogon gerardii big bluestem Poaceae (Graminae) - Grass Family
Andropogon scoparius bluestem, little Poaceae (Graminae) - Grass Family
Angelica
Angelica atropurpurea angelica, purplestem Apiaceae (Umbelliferae) - Carrot Family
Anoda
Anoda cristata anoda, spurred Malvaceae - Mallow Family
Antennaria
Antennaria neglecta pussytoes, field Asteraceae (Compositae) - Aster or Sunflower Family
Anthoxanthum
Anthoxanthum odoratum vernalgrass, sweet Poaceae (Graminae) - Grass Family
Apios
Apios americana groundnut Fabaceae (Leguminosae) - Pea or Bean Family
Apocynum
Apocynum androsaemifolium dogbane, spreading Apocynaceae - Dogbane Family
Apocynum cannabinum dogbane, hemp Apocynaceae - Dogbane Family
Arabidopsis
Arabidopsis thaliana cress, mouse-ear Brassicaceae (Cruciferae) - Mustard Family
Arabis
Arabis glabra mustard, tower Brassicaceae (Cruciferae) - Mustard Family
Aralia
Aralia spinosa devil's walkingstick Araliaceae - Aralia Family
Arctium
Arctium lappa burdock, great Asteraceae (Compositae) - Aster or Sunflower Family
Arctium minus burdock, common Asteraceae (Compositae) - Aster or Sunflower Family
Arenaria
Arenaria serpyllifolia sandwort, thymeleaf Caryophyllaceae - Pink Family
Artemisia
Artemisia vulgaris mugwort Asteraceae (Compositae) - Aster or Sunflower Family
Asclepias
Asclepias incarnata milkweed, swamp Asclepiadaceae - Milkweed Family
Asclepias syriaca milkweed, common Asclepiadaceae - Milkweed Family
Aster
Aster acuminatus see - Oclemena acuminata
Aster divaricatus aster, white wood Asteraceae (Compositae) - Aster or Sunflower Family