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151 Images of 62 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5495122 crystalline iceplant Mesembryanthemum crystallinum Mesembryanthemum crystallinum, invasive succulent weed, common names include iceplant, Hottentot fig, fig marigold
5495123 crystalline iceplant Mesembryanthemum crystallinum Mesembryanthemum crystallinum, invasive succulent weed, common names include iceplant, Hottentot fig, fig marigold
5495124 crystalline iceplant Mesembryanthemum crystallinum Mesembryanthemum crystallinum, invasive succulent weed, common names include iceplant, Hottentot fig, fig marigold
5495125 crystalline iceplant Mesembryanthemum crystallinum Mesembryanthemum crystallinum, invasive succulent weed, common names include iceplant, Hottentot fig, fig marigold
5362603 common sunflower Helianthus annuus Common sunflower (Helianthus annuus) growing as a weed in a field of dry beans.
5473984 buffalobur Solanum rostratum buffalobur plant in flower
5473986 buffalobur Solanum rostratum plant and flower characteristics of buffalobur
5473985 buffalobur Solanum rostratum plant and flower characteristics of buffalobur
5473983 buffalobur Solanum rostratum plant and flower characteristics of buffalobur
5389463 field bindweed Convolvulus arvensis A killdeer nest with eggs and a chick under a field bindweed.
5389462 field bindweed Convolvulus arvensis A killdeer nest with eggs and a chick under a field bindweed.
5389460 field bindweed Convolvulus arvensis A killdeer nest with eggs under a field bindweed.
5389461 field bindweed Convolvulus arvensis A killdeer nest with eggs under a field bindweed.
5389459 field bindweed Convolvulus arvensis A killdeer nest with eggs under a field bindweed.
5362355 showy milkweed Asclepias speciosa
5362602 showy milkweed Asclepias speciosa growing as a weed in dry beans.
5358188 field bindweed Convolvulus arvensis Field bindweed, Convolvulus arvensis, a common weed in agricultural and natural ecosystems.
5358187 foxtail barley Hordeum jubatum Foxtail barley, Hordeum jubatum, a common weed.
5358186 western salsify Tragopogon dubius Flowers of yellow salsify, Tragopogon dubius.
5358185 western salsify Tragopogon dubius Western salsify (Tragopogon dubius) growing as a weed in an alfalfa field.
5359599 puccinia rusts Puccinia spp. Aecia of rust (Puccinia sp.) on a thistle leaf.
5364438 Russian-thistle Salsola tragus Fruits and seeds
5364418 brome Bromus spp. Brome grass seed (Bromus sp.).
5360859 witchgrass Panicum capillare Witchgrass (Panicum capillare).
5360601 dodder Cuscuta spp. Dodder plants (Cuscuta sp.) growing over a carrot crop.
5360599 dodder Cuscuta spp. Dodder plants (Cuscuta sp.) growing over a carrot crop.
5360600 dodder Cuscuta spp. Dodder plants (Cuscuta sp.) growing over a carrot crop.
5360598 dodder Cuscuta spp. Dodder plants (Cuscuta sp.) growing over a carrot crop.
5360596 dodder Cuscuta spp. Dodder (Cuscuta sp.) infestation in a carrot field
5360597 dodder Cuscuta spp. Dodder (Cuscuta sp.) infestation in a carrot field
5360595 dodder Cuscuta spp. Dodder (Cuscuta sp.) infestation in a carrot field
5360594 dodder Cuscuta spp. Dodder (Cuscuta sp.) infestation in a carrot field.
5362359 yellow sweetclover Melilotus officinalis Yellow sweetclover (Melilotus officinalis) in bloom.
5362358 hairy vetch Vicia villosa Flowers of purple vetch (Vicia villosa).
5362356 clover Trifolium spp. Clover (Trifolium sp.) in bloom.
5362348 green foxtail Setaria viridis Inflorescence of green foxtail (Setaria viridis).
5362347 green foxtail Setaria viridis Green foxtail (Setaria viridis).
5362346 Mexican fireweed Kochia scoparia Young kochia plant (Kochia scoparia).
5362345 johnsongrass Sorghum halepense Johnsongrass (Sorghum halepense) -- a young plant.
5362344 black nightshade Solanum nigrum Young black nightshade plant (Solanum nigrum).
5362343 black nightshade Solanum nigrum Young black nightshade plant (Solanum nigrum).
5362342 longspine sandbur Cenchrus longispinus Sandbur (Cenchrus longispinus) -- close view of the inflorescence.
5362341 longspine sandbur Cenchrus longispinus Sandbur (Cenchrus longispinus) plant, showing the inflorescence.
5362340 longspine sandbur Cenchrus longispinus Sandbur (Cenchrus longispinus).
5362338 puncturevine Tribulus terrestris Puncturevine (Tribulus terrestris).
5362339 puncturevine Tribulus terrestris Puncturevine (Tribulus terrestris).
5362337 puncturevine Tribulus terrestris Puncturevine (Tribulus terrestris).
5366064 tall fescue Festuca arundinacea Tall fescue (Festuca arundinacea) growing as a weed along a road.
5366065 tall fescue Festuca arundinacea Tall fescue (Festuca arundinacea) growing as a weed along a road.
5366030 showy stonecrop Hylotelephium spectabile Showy stonecrop (Hylotelephium spectabile) -- an ornamental plant growing here as a weed.
5365894 common cattail Typha latifolia Dense stand of cattails (Typha latifolia).
5365893 common cattail Typha latifolia Patch of common cattail plants (Typha latifolia).
5361782 puncturevine Tribulus terrestris Puncturevine (Tribulus terrestris) -- close-up view of stem, leaves, and a flower.
5361781 puncturevine Tribulus terrestris Puncturevine (Tribulus terrestris) - plant with flowers.
5361780 puncturevine Tribulus terrestris Puncturevine (Tribulus terrestris).
5361779 puncturevine Tribulus terrestris Puncturevine (Tribulus terrestris).
5364570 common mallow Malva neglecta Common mallow plant (Malva neglecta).
5364569 wild mustard Sinapis arvensis Wild mustard (Sinapis arvensis, or Brassica kaber) in bloom.
5364567 musk thistle Carduus nutans Rosettes of musk thistle (Carduus nutans).
5364568 musk thistle Carduus nutans Seedlings of musk thistle (Carduus nutans).
5364523 giant ragweed Ambrosia trifida Young giant ragweed (Ambrosia trifida) plant.
5364522 lambsquarters Chenopodium album Seedlings of lambsquarters (Chenopodium album), with a seedling of common mallow (Malva neglecta) on the immediate right.
5364521 musk thistle Carduus nutans Rosettes of musk thistle (Carduus nutans).
5364473 dandelion Taraxacum officinale Dandelion (Taraxacum officinale) in bloom.
5364445 hoary cress Lepidium draba Seeds of whitetop (Cardaria draba).
5364442 hairy vetch Vicia villosa Seeds of hairy vetch (Vicia villosa).
5364441 common sunflower Helianthus annuus Seeds of wild sunflowers (Helianthus annuus).
5364440 sudangrass Sorghum bicolor ssp. drummondii Seeds of sudangrass (Sorghum bicolor drummondii).
5364439 longspine sandbur Cenchrus longispinus Seeds of sandbur (Cenchrus longispinus).
5364437 Russian knapweed Rhaponticum repens Seeds of Russian knapweed (Acroptilon repens).
5364436 quackgrass Elymus repens Seeds of quackgrass (Elytrigia repens).
5364435 puncturevine Tribulus terrestris Seeds of puncturevine (Tribulus terrestris).
5364434 redroot pigweed Amaranthus retroflexus Seeds of rough pigweed (Amaranthus retroflexus).
5364433 wild oat Avena fatua Seeds of wild oat (Avena fatua).
5364432 leafy spurge Euphorbia esula Seeds of leafy spurge (Euphorbia esula).
5364431 lambsquarters Chenopodium album Seeds of lambsquarters (Chenopodium album).
5364430 Mexican fireweed Kochia scoparia Seeds of kochia (Kochia scoparia).
5364429 jointed goatgrass Aegilops cylindrica Seeds of jointed goatgrass (Aegilops cylindrica).
5364428 johnsongrass Sorghum halepense Seeds of johnsongrass (Sorghum halepense).
5364427 green foxtail Setaria viridis Seeds of green foxtail (Setaria viridis).
5364426 field bindweed Convolvulus arvensis Seeds of field bindweed (Convolvulus arvensis).
5364424 curly dock Rumex crispus Seeds of curly dock (Rumex crispus).
5364425 dodder Cuscuta spp. Seeds of dodder (Cuscuta sp.).
5364423 castorbean Ricinus communis Seeds of castor bean (Ricinus communis).
5364422 Canada thistle Cirsium arvense Seeds of Canada thistle (Cirsium arvense).
5364420 buckhorn plantain Plantago lanceolata Seeds of buckhorn plantain (Plantago lanceolata).
5364419 cheatgrass Bromus tectorum Seeds of downy brome (Bromus tectorum).
5364417 barnyardgrass Echinochloa crus-galli Seeds of barnyardgrass (Echinocloa crus-galli).
5363588 tall morningglory Ipomoea purpurea Close-up view of the flowers of tall morningglory (Ipomoea purpurea).
5363587 tall morningglory Ipomoea purpurea Tall morningglory (Ipomoea purpurea).
5363586 tall morningglory Ipomoea purpurea Tall morningglory (Ipomoea purpurea).
5362702 dodder Cuscuta spp. Dodder plant (Cuscuta sp.) on weeds - field bindweed (Convolvulus arvensis) in the background.
5359305 cabbage collards and kale Brassica oleracea A variety of weed species growing among cabbage plants in a field.
5359263 dill Anethum graveolens Close-up view of buds, flowers and seeds of dill (Anethum graveolens).
5358460 Canada thistle Cirsium arvense Rosettes of Canada thistle (Cirsium arvense).
5358459 devil's-claw Proboscidea louisianica Close-up of drooping flowers and foliage of devil's claw (Proboscidea sp.).
5358458 devil's-claw Proboscidea louisianica Flower of devil's claw (Proboscidea sp.).
5358457 devil's-claw Proboscidea louisianica Devil's claw (Proboscidea sp.).
5358325 field bindweed Convolvulus arvensis Field bindweed (Convolvulus arvensis) in flower.
5357630 cattail Typha spp. Cattails (Typha sp.) growing in a waterway.
5357629 cattail Typha spp. Cattails (Typha sp.) growing in a waterway.
5359865 common bean Phaseolus vulgaris Canopy of bean plants with a weedy grass growing among them.
5364444 crested wheatgrass Agropyron cristatum Seeds of crested wheatgrass (Agropyron cristatum).
5364421 wild buckwheat Fallopia convolvulus Seeds of the weed, wild buckwheat (Polygonum convolvulus).
5358371 field pennycress Thlaspi arvense Seed pods of field pennycress (Thlaspi arvense) plants growing in a field of winter wheat.
5358370 field pennycress Thlaspi arvense Seed pods of field pennycress (Thlaspi arvense) plants growing in a field of winter wheat.
5357240 common sunflower Helianthus annuus Common sunflower (Helianthus annuus) growing as a weed in a field of winter wheat.
5365377 toothed spurge Euphorbia dentata Toothed spurge (Euphorbia dentata) growing as a weed in a dry bean field.
5361787 johnsongrass Sorghum halepense Close-up view of the flower head of johnsongrass (Sorghum halepense) emerging from the boot. Plant is growing in a field of dry beans.
5361786 johnsongrass Sorghum halepense Johnsongrass (Sorghum halepense) growing as a weed in a field of dry beans.
5361785 Mexican fireweed Kochia scoparia Kochia (Kochia scoparia) plant growing in a field of dry beans.
5361611 toothed spurge Euphorbia dentata View of the underside of a leaf of toothed spurge (Euphorbia dentata), showing symptoms of rust. The plant is growing as a weed in a field of dry beans.
5361609 black nightshade Solanum nigrum Black nightshade (Solanum nigrum) growing as a weed in a field of dry beans.
5361610 black nightshade Solanum nigrum Black nightshade (Solanum nigrum) growing as a weed in a field of dry beans.
5361608 buffalobur Solanum rostratum Buffalobur (Solanum rostratum) plants growing as weeds in a bean field.
5363867 velvetleaf Abutilon theophrasti Velvetleaf (Abutilon theophrasti) growing as a weed in a dry bean field.
5363866 velvetleaf Abutilon theophrasti Velvetleaf (Abutilon theophrasti), as well as pigweed (Amaranthus retroflexus), growing as weeds in a dry bean field.
5362606 field bindweed Convolvulus arvensis Field bindweed (Convolvulus arvensis) growing as a weed among dry bean plants.
5362605 Mexican fireweed Kochia scoparia Kochia plant (Kochia scoparia) growing as a weed in a field of dry beans.
5362604 Mexican fireweed Kochia scoparia Kochia (Kochia scoparia) growing as a weed among dry beans.
5362601 woollyleaf bursage Ambrosia grayi Wollyleaf bursage (Ambrosia grayi) growing as a weed among dry bean plants.
5362600 lambsquarters Chenopodium album Lambsquarters (Chenopodium album) growing as a weed in a dry bean field.
5362599 common purslane Portulaca oleracea Purslane (Portulaca oleracea) growing as a weed in a field of dry beans.
5362598 black nightshade Solanum nigrum Black nightshade (Solanum nigrum) growing as a weed in a field of dry bean plants.
5362597 Virginia groundcherry Physalis virginiana Ground cherry (Physalis virginiana) growing as a weed among dry bean plants.
5362596 johnsongrass Sorghum halepense Johnsongrass (Sorghum halepense) growing as a weed in a field of dry beans.
5362595 toothed spurge Euphorbia dentata Toothed spurge (Euphorbia dentata) growing as a weed among dry bean plants.
5362594 toothed spurge Euphorbia dentata Toothed spurge (Euphorbia dentata) growing as a weed in a dry bean field.
5362593 lanceleaf sage Salvia reflexa Lanceleaf sage (Salvia reflexa) growing as a weed among dry beans.
5362592 redroot pigweed Amaranthus retroflexus Redroot pigweed (Amaranthus retroflexus) growing as a weed in a field of dry beans.
5362591 buffalobur Solanum rostratum Buffalobur (Solanum rostratum) growing as a weed among dry beans.
5362590 buffalobur Solanum rostratum Buffalobur (Solanum rostratum) -- and the flower of puncturevine (Tribulus terrestris) -- growing as weeds in a dry bean field.
5358977 common bean Phaseolus vulgaris Weeds sprouting as a result of no carryover of herbicides applied in a dry bean field.
5362322 garden onion Allium cepa Onion plants infested with black nightshade, Solanum nigrum.
5362321 garden onion Allium cepa Onion plants being smothered by field bindweed, Convolvulus arvensis.
5362320 garden onion Allium cepa Puncturevine (Tribulus terrestris) growing among onion plants.
5362319 garden onion Allium cepa Velvetleaf seedling (Abutilon theophrasti), a weed among onions.
5366487 yellow nutsedge Cyperus esculentus Yellow nutsedge (Cyperus esculentus) growing in an onion field.
5359275 yellow nutsedge Cyperus esculentus Overview of mature ellow nutsedge (Cyperus esculentus) plants growing in an onion field.
5359274 yellow nutsedge Cyperus esculentus Yellow nutsedge (Cyperus esculentus) growing in onions.
5359273 yellow nutsedge Cyperus esculentus Yellow nutsedge (Cyperus esculentus) growing in onions.
5358456 johnsongrass Sorghum halepense Johnsongrass (Sorghum halepense) seedlings in an onion field.
5358454 johnsongrass Sorghum halepense Johnsongrass (Sorghum halepense) seedlings in an onion field.
5358455 johnsongrass Sorghum halepense Johnsongrass (Sorghum halepense) seedlings in an onion field.
5358448 chufa flatsedge Cyperus esculentus var. leptostachyus Yellow nutsedge (Cyperus esculentus) growing as a weed in an onion field.
5358449 chufa flatsedge Cyperus esculentus var. leptostachyus Yellow nutsedge (Cyperus esculentus) growing as a weed in an onion field.
5358450 chufa flatsedge Cyperus esculentus var. leptostachyus Yellow nutsedge (Cyperus esculentus) growing as a weed in an onion field.
5358451 chufa flatsedge Cyperus esculentus var. leptostachyus Yellow nutsedge (Cyperus esculentus) growing as a weed in an onion field.
5358452 chufa flatsedge Cyperus esculentus var. leptostachyus Yellow nutsedge (Cyperus esculentus) growing as a weed in an onion field.
5358453 chufa flatsedge Cyperus esculentus var. leptostachyus Tubers of yellow nutsedge (Cyperus esculentus) growing as a weed in an onion field.
5358447 chufa flatsedge Cyperus esculentus var. leptostachyus Yellow nutsedge (Cyperus esculentus) growing as a weed in an onion field.

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