Narrow Results by:

Subject Specific Filters:

  1. Category:             (show all)

    Forbs/Herbs (80)
    Grass or Grasslike (22)
    Shrub or Subshrub (11)
    Vines (7)
    Hardwood Trees (5)

  1. Order:                   (show all)

    Asterales (30)
    Cyperales (22)
    Capparales (13)
    Fabales (6)
    Caryophyllales (5)

Image Specific Filters:

  1. Descriptor:           (show all)

    Plant(s) (192)
    Flower(s) (115)
    Infestation (106)
    Fruit(s) (28)
    Foliage (25)

Person in Image:

Yes (4)

  1. Country:                

    United States (517)
    Australia (2)
    Afghanistan (1)

Orientation:

Landscape (437)
Portrait (83)

Natural Resources: Weeds

Remove Filters: Field(X) Steve Dewey(X)
520 Images of 113 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Subject Scientific Name Images
annual bluegrass Poa annua 2
annual sowthistle Sonchus oleraceus 2
babysbreath Gypsophila paniculata 2
barnyardgrass Echinochloa crus-galli 6
bermudagrass Cynodon dactylon 8
birdsrape mustard Brassica rapa 2
bittersweet nightshade Solanum dulcamara 8
black henbane Hyoscyamus niger 3
blue mustard Chorispora tenella 1
bluebuttons Knautia arvensis 1
bouncingbet Saponaria officinalis 3
bristly foxtail Setaria verticillata 3
bulbous bluegrass Poa bulbosa 1
bull thistle Cirsium vulgare 8
camelthorn Alhagi maurorum 2
Canada thistle Cirsium arvense 13
catchweed bedstraw Galium aparine 3
cattail grass Setaria pumila ssp. pallidefusca 2
cheatgrass Bromus tectorum 4
clasping pepperweed Lepidium perfoliatum 3
common chokecherry Prunus virginiana 1
common crupina Crupina vulgaris 1
common groundsel Senecio vulgaris 1
common mullein Verbascum thapsus 5
common reed Phragmites australis 1
common salsify Tragopogon porrifolius 1
common St. Johnswort Hypericum perforatum 6
common sunflower Helianthus annuus 4
common tansy Tanacetum vulgare 6
common teasel Dipsacus fullonum 12
cornflower Centaurea cyanus 1
crested wheatgrass Agropyron cristatum 2
curly dock Rumex crispus 2
cushion spurge Euphorbia epithymoides 1
cutleaf blackberry Rubus laciniatus 1
cypress spurge Euphorbia cyparissias 2
Dalmatian toadflax Linaria dalmatica 7
dandelion Taraxacum officinale 4
devil's-claw Proboscidea louisianica 1
diffuse knapweed Centaurea diffusa 3
Dyer's woad Isatis tinctoria 34
everlasting peavine Lathyrus latifolius 1
field bindweed Convolvulus arvensis 7
field pennycress Thlaspi arvense 3
field pepperweed Lepidium campestre 2
garlic mustard Alliaria petiolata 1
goatsrue Galega officinalis 8
great burdock Arctium lappa 3
green foxtail Setaria viridis 1
hairy vetch Vicia villosa 4
henbit Lamium amplexicaule 4
Himalaya blackberry Rubus armeniacus 1
hoary cress Lepidium draba 8
houndstongue Cynoglossum officinale 3
intermediate wheatgrass Thinopyrum intermedium 1
Japanese knotweed Fallopia japonica 3
johnsongrass Sorghum halepense 12
jointed goatgrass Aegilops cylindrica 7
knapweeds Centaurea spp. 2
ladysthumb Persicaria maculosa 2
large crabgrass Digitaria sanguinalis 2
leafy spurge Euphorbia esula 17
meadow salsify Tragopogon lamottei 3
Mediterranean barley Hordeum marinum ssp. gussonianum 2
medusahead Taeniatherum caput-medusae 7
Mexican fireweed Kochia scoparia 4
moist sowthistle Sonchus arvensis ssp. uliginosus 1
musk thistle Carduus nutans 19
myrtle spurge Euphorbia myrsinites 3
orchardgrass Dactylis glomerata 2
oxeye daisy Leucanthemum vulgare 6
parrot feather milfoil Myriophyllum aquaticum 1
perennial pepperweed Lepidium latifolium 7
perennial sowthistle Sonchus arvensis 4
pineapple-weed Matricaria discoidea 1
poison-hemlock Conium maculatum 4
prickly lettuce Lactuca serriola 4
puncturevine Tribulus terrestris 7
purple loosestrife Lythrum salicaria 10
purple starthistle Centaurea calcitrapa 4
quackgrass Elymus repens 5
rabbitfoot polypogon Polypogon monspeliensis 3
rattlesnake brome Bromus briziformis 1
redroot pigweed Amaranthus retroflexus 4
rush skeletonweed Chondrilla juncea 3
Russian knapweed Rhaponticum repens 6
Russian-olive Elaeagnus angustifolia 6
Russian-thistle Salsola tragus 4
saltcedar Tamarix ramosissima 2
Scotch broom Cytisus scoparius 3
Scotch thistle Onopordum acanthium 14
shepherd's-purse Capsella bursa-pastoris 4
Siberian elm Ulmus pumila 2
smallseed falseflax Camelina microcarpa 2
spiny plumeless thistle Carduus acanthoides 4
spiny sowthistle Sonchus asper 3
spotted knapweed Centaurea stoebe ssp. micranthos 8
squarrose knapweed Centaurea virgata 12
stinkgrass Eragrostis cilianensis 5
sulfur cinquefoil Potentilla recta 6
summer pheasant's eye Adonis aestivalis 5
tamarisk Tamarix spp. 11
thistle Cirsium spp. 4
tree-of-heaven Ailanthus altissima 1
twolobe speedwell Veronica biloba 3
velvetleaf Abutilon theophrasti 6
wild oat Avena fatua 4
wild parsnip Pastinaca sativa 1
yellow alyssum Alyssum alyssoides 1
yellow rocket Barbarea vulgaris 1
yellow starthistle Centaurea solstitialis 17
yellow sweetclover Melilotus officinalis 7
yellow toadflax Linaria vulgaris 8

Page: