Weeds Identification Gallery
Weeds
| Common Name | Scientific Name | Family | Category |
|---|---|---|---|
| Amaranth, Low | Amaranthus deflexus | Amaranthaceae (Pigweed Family) | Broadleaf |
| Amaranth, Palmer | Amaranthus palmeri | Amaranthaceae (Pigweed Family) | Broadleaf |
| Arrowhead, California | Sagittaria montevidensis | Alismataceae (Waterplantain Family) | Aquatic, Broadleaf |
| Arrowhead, Gregg | Sagittaria longiloba | Alismataceae (Waterplantain Family) | Aquatic, Broadleaf |
| Barb goatgrass | Aegilops triuncialis | Poaceae (Grass Family) | Grass |
| Barley, Foxtail | Hordeum jubatum | Poaceae (Grass Family) | Grass |
| Barley, Hare | Hordeum murinum ssp. leporinum | Poaceae (Grass Family) | Grass |
| Barnyardgrass | Echinochloa crus-galli | Poaceae (Grass Family) | Grass |
| Bassia, Fivehook | Bassia hyssopifolia | Chenopodiaceae (Goosefoot Family) | Broadleaf |
| Bedstraw, Catchweed | Galium aparine | Rubiaceae (Madder Family) | Broadleaf |
| Bentgrasses | Agrostis spp. | Poaceae (Grass Family) | Grass |
| Bermudagrass | Cynodon dactylon | Poaceae (Grass Family) | Grass |
| Bindweed, Field | Convolvulus arvensis | Convolvulaceae (Morningglory Family) | Broadleaf |
| Bittercress, Little | Cardamine oligosperma | Brassicaceae (Mustard Family) | Broadleaf |
| Blackberries, Wild | Rubus spp. | Rosaceae (Rose Family) | Broadleaf |
| Bluegrass, Annual | Poa annua | Poaceae (Grass Family) | Grass |
| Bluegrass, Roughstalk | Poa trivialis | Poaceae (Grass Family) | Grass |
| Brassbuttons, Mexican | Cotula Mexicana | Asteraceae (Sunflower Family) | Broadleaf |
| Brassbuttons, Southern | Cotula australis | Asteraceae (Sunflower Family) | Broadleaf |
| Brome, Ripgut | Bromus diandrus | Poaceae (Grass Family) | Grass |
| Brome, Soft | Bromus hordeaceus | Poaceae (Grass Family) | Grass |
| Bromegrasses | Bromus spp. | Poaceae (Grass Family) | Grass |
| Broomrape, Branched | Phelipanche ramosa | Orobanchaceae (Broomrape Family) | Broadleaf |
| Buckwheat, Wild | Polygonum convolvulus | Polygonaceae (Buckwheat family) | Broadleaf |
| Bulrush, Ricefield | Scirpus mucronatus | Cyperaceae (Sedge Family) | Aquatic, Sedge |
| Bulrush, River | Scirpus fluviatilis | Cyperaceae (Sedge Family) | Aquatic, Sedge |
| Burhead, Upright | Echinodorus berteroi (E. cordifolius) | Alismataceae (Waterplantain Family) | Aquatic, Broadleaf |
| Burclover, California | Medicago polymorpha | Fabaceae (Pea or Bean Family) | Broadleaf |
| Burweed, Lawn | Soliva sessilis | Asteraceae (Sunflower Family) | Broadleaf |
| Buttercup, Bermuda (Buttercup Oxalis) | Oxalis pes-caprae | Oxalidaceae (Oxalis Family) | Broadleaf |
| Buttercup, Roughseed | Ranunculus muricatus | Ranunculaceae (Buttercup Family) | Broadleaf |
| Canarygrass, Hood | Phalaris paradoxa | Poaceae (Grass Family) | Grass |
| Canarygrass, Littleseed | Phalaris minor | Poaceae (Grass Family) | Grass |
| Carrot, Wild | Daucus carota | Apiaceae (Carrot Family) | Broadleaf |
| Catsear, Common | Hypochaeris radicata | Asteraceae (Sunflower Family) | Broadleaf |
| Cattails | Typha spp. | Typhaceae (Cattail Family) | Aquatic |
| Celery, Wild | Cyclospermum leptophyllum | Apiaceae (Carrot family) | Broadleaf |
| Chamomile, Mayweed | Anthemis cotula | Asteraceae (Sunflower Family) | Broadleaf |
| Chickweed, Common | Stellaria media | Caryophyllaceae (Pink Family) | Broadleaf |
| Chickweed, Mouseear | Cerastium fontanum ssp. vulgare | Caryophyllaceae (Pink Family) | Broadleaf |
| Clover, Strawberry | Trifolium fragiferum | Fabaceae (Pea or Bean Family) | Broadleaf |
| Clover, White | Trifolium repens | Fabaceae (Pea or Bean Family) | Broadleaf |
| Cocklebur, Common | Xanthium strumarium | Asteraceae (Sunflower Family) | Broadleaf |
| Crabgrasses | Digitaria spp. | Poaceae (Grass Family) | Grass |
| Crabgrass, Large | Digitaria sanguinalis | Poaceae (Grass Family) | Grass |
| Crabgrass, Smooth | Digitaria ischaemum | Poaceae (Grass Family) | Grass |
| Cudweed, Purple | Gnaphalium purpureum | Asteraceae (Sunflower Family) | Broadleaf |
| Cudweeds | Gnaphalium spp. | Asteraceae (Sunflower Family) | Broadleaf |
| Cupgrass, Southwestern | Eriochloa acuminata | Poaceae (Grass Family) | Grass |
| Cupgrass, Prairie | Eriochloa contracta | Poaceae (Grass Family) | Grass |
| Daisy, English | Bellis perennis | Asteraceae (Sunflower Family) | Broadleaf |
| Dallisgrass | Paspalum dilatatum | Poaceae (Grass Family) | Grass |
| Dandelion | Taraxacum officinale | Asteraceae (Sunflower Family) | Broadleaf |
| Dichondra, Kidney-weed | Dichondra repens | Convolvulaceae (Morningglory Family) | Broadleaf |
| Dock, Curly | Rumex crispus | Polygonaceae (Buckwheat Family) | Broadleaf |
| Dodder | Cuscuta spp. | Convolvulaceae (Morningglory Family) | Broadleaf |
| Ducksalad | Heteranthera limosa | Pontedericaceae (Pickerelweed Family) | Aquatic, Broadleaf |
| Fescue, Tall | Festuca arundinacea | Poaceae (Grass Family) | Grass |
| Fiddlenecks | Amsinckia spp. | Boraginaceae (Borage Family) | Broadleaf |
| Fiddleneck, Coast | Amsinckia menziesii var. intermedia | Boraginaceae (Borage Family) | Broadleaf |
| Filaree, Whitestem | Erodium moschatum | Geraniaceae (Geranium Family) | Broadleaf |
| Filarees | Erodium spp. | Geraniaceae (Geranium Family) | Broadleaf |
| Fleabane, Hairy | Conyza bonariensis | Asteraceae (Sunflower Family) | Broadleaf |
| Flixweed | Descurainia sophia | Brassicaceae (Mustard Family) | Broadleaf |
| Fluvellins | Kickxia spuria, K. elatine | Scrophulariaceae (Figwort Family) | Broadleaf |
| Foxtail, Yellow | Setaria pumila | Poaceae (Grass Family) | Grass |
| Foxtails | Setaria spp. | Poaceae (Grass Family) | Grass |
| Garlic, Wild | Allium vineale | Liliaceae (Lily Family) | Broadleaf |
| Geranium, Cutleaf | Geranium dissectum | Geraniaceae (Geranium Family) | Broadleaf |
| Goosefoot, Nettleleaf | Chenopodium murale | Chenopodiaceae (Goosefoot Family) | Broadleaf |
| Goosegrass | Eleusine indica | Poaceae (Grass Family) | Grass |
| Groundcherries | Physalis spp. | Solanaceae (Nightshade Family) | Broadleaf |
| Groundcherry, Tomatillo | Physalis philadelphica | Solanaceae (Nightshade Family) | Broadleaf |
| Groundsel, Common | Senecio vulgaris | Asteraceae (Sunflower Family) | Broadleaf |
| Healall | Prunella vulgaris var. vulgaris | Lamiaceae (Mint Family) | Broadleaf |
| Hemlock, Poison | Conium maculatum | Apiaceae (Carrot Family) | Broadleaf |
| Henbit | Lamium amplexicaule | Lamiaceae (Mint Family) | Broadleaf |
| Horseweed | Conyza canadensis | Asteraceae (Sunflower Family) | Broadleaf |
| Jimsonweed | Datura stramonium | Solanaceae (Nightshade Family) | Broadleaf |
| Johnsongrass | Sorghum halepense | Poaceae (Grass Family) | Grass |
| Junglerice | Echinochloa colona | Poaceae (Grass Family) | Grass |
| Kikuyugrass | Pennisetum clandestinum | Poaceae (Grass Family) | Grass |
| Knapweed, Russian | Acroptilon repens | Asteraceae (Sunflower Family) | Broadleaf |
| Knotgrass | Paspalum distichum | Poaceae (Grass Family) | Grass |
| Knotweed, Common | Polygonum aviculare (formerly arenastrum) | Polygonaceae (Buckwheat Family) | Broadleaf |
| Kochia | Kochia scoparia | Chenopodiaceae (Goosefoot Family) | Broadleaf |
| Kyllinga, Green | Kyllinga brevifolia | Cyperaceae (Sedge Family) | Sedge |
| Ladysthumb | Polygonum persicaria | Chenopodiaceae (Goosefoot Family) | Broadleaf |
| Lambsquarters, Common | Chenopodium album | Chenopodiaceae (Goosefoot Family) | Broadleaf |
| Lettuce, Prickly | Lactuca serriola | Asteraceae (Sunflower Family) | Broadleaf |
| Lettuce, Miner's | Claytonia perfoliata | Portulacaceae (Purslane Family) | Broadleaf |
| Lovegrasses | Eragrostis spp. | Poaceae (Grass Family) | Grass |
| Madder, Field | Sherardia arvensis | Rubiaceae (Madder Family) | Broadleaf |
| Mallow, Alkali | Malvella leprosa | Malvaceae (Mallow Family) | Broadleaf |
| Mallow, Bristly | Modiola caroliniana | Malvaceae (Mallow Family) | Broadleaf |
| Mallow, Little | Malva parviflora | Malvaceae (Mallow Family) | Broadleaf |
| Medic, Black | Medicago lupulina | Fabaceae (Pea or Bean Family) | Broadleaf |
| Medusahead | Taeniatherum caput-medusae | Poaceae (Grass Family) | Grass |
| Milkthistle, Blessed | Silybum marianum | Asteraceae (Sunflower Family) | Broadleaf |
| Mistletoes | Phoradendron spp. | Viscaceae (Mistletoe Family) | Broadleaf |
| Morningglories | Ipomoea spp. | Convolvulaceae (Morningglory Family) | Broadleaf |
| Morningglory, Japanese | Ipomoea nil var. integriuscula also called Ipomoea hederacea var. integriuscula |
Convolvulaceae (Morningglory Family) | Broadleaf |
| Morningglory, Tall | Ipomoea purpurea | Convolvulaceae (Morningglory Family) | Broadleaf |
| Mullein, Turkey | Croton setigerus | Euphorbiaceae (Spurge Family) | Broadleaf |
| Mustard, Tumble | Sisymbrium altissimum | Brassicaceae (Mustard Family) | Broadleaf |
| Mustards | Brassica spp. | Brassicaceae (Mustard Family) | Broadleaf |
| Naiads | Najas spp. | Hydrocharitaceae (Waterweed Family) | Aquatic, Broadleaf |
| Nettle, Burning | Urtica urens | Urticaceae (Nettle Family) | Broadleaf |
| Nightshade, Black | Solanum physalifolium | Solanaceae (Nightshade Family) | Broadleaf |
| Nightshade, Hairy | Solanum physalifolium | Solanaceae (Nightshade Family) | Broadleaf |
| Nightshade, Silverleaf | Solanum elaeagnifolium | Solanaceae (Nightshade Family) | Broadleaf |
| Nutsedge | Cyperus spp. | Cyperaceae (Sedge Family) | Sedge |
| Nutsedge, Purple | Cyperus rotundus | Cyperaceae (Sedge Family) | Sedge |
| Nutsedge, Yellow | Cyperus esculentus | Cyperaceae (Sedge Family) | Sedge |
| Oat, Wild | Avena fatua | Poaceae (Grass Family) | Grass |
| Orchardgrass | Dactylis glomerata | Poaceae (Grass Family) | Grass |
| Oxtongue, Bristly | Picris echioides | Asteraceae (Sunflower Family) | Broadleaf |
| Panicum, Fall | Panicum dichotomiflorum | Poaceae (Grass Family) | Grass |
| Pearlwort, Birdseye | Sagina procumbens | Caryophyllaceae (Pink Family) | Broadleaf |
| Pennywort | Hydrocotyle ssp. | Apiaceae (Carrot Family) | Broadleaf |
| Pepperweed, Perennial | Lepidium latifolium | Brassicaceae (Mustard Family) | Broadleaf |
| Pigweed, Redroot | Amaranthus retroflexus | Amaranthaceae (Pigweed Family) | Broadleaf |
| Pigweeds | Amaranthus spp. | Amaranthaceae (Pigweed Family) | Broadleaf |
| Pimpernel, Scarlet | Anagallis arvensis | Primulaceae (Primrose Family) | Broadleaf |
| Pineappleweed | Chamomilla suaveolens | Asteraceae (Sunflower Family) | Broadleaf |
| Plantain, Broadleaf | Plantago major | Plantaginaceae (Plantain Family) | Broadleaf |
| Plantain, Buckhorn | Plantago lanceolata | Plantaginaceae (Plantain Family) | Broadleaf |
| Poison-oak, Pacific | Toxicodendron diversilobum | Anacardiaceae (Sumac Family) | Broadleaf |
| Pokeweed, Common | Phytolacca americana | Phytolaccaceae (Pokeweed Family) | Broadleaf |
| Polypogon, Rabbitfoot | Polypogon monspeliensis | Poaceae (Grass Family) | Grass |
| Puncturevine | Tribulus terrestris | Zygophyllaceae (Caltrop Family) | Broadleaf |
| Purslane, Common | Portulaca oleracea | Portulacaceae (Purslane Family) | Broadleaf |
| Quackgrass | Elytrigia repens | Poaceae (Grass Family) | Grass |
| Radish, Wild | Raphanus raphanistrum | Brassicaceae (Mustard Family) | Broadleaf |
| Redmaids | Calandrinia ciliata | Portulacaceae (Purslane Family) | Broadleaf |
| Redstems | Ammannia spp. | Lythraceae (Loosestrife Family) | Broadleaf |
| Rocket, London | Sisymbrium irio | Brassicaceae (Mustard Family) | Broadleaf |
| Ryegrass, Italian | Lolium multiflorum | Poaceae (Grass Family) | Grass |
| Ryegrasses | Lolium spp. | Poaceae (Grass Family) | Grass |
| Salsify, Common | Tragopogon porrifolius | Asteraceae (Sunflower Family) | Broadleaf |
| Sandbur, Longspine | Cenchrus longispinus | Poaceae (Grass Family) | Grass |
| Sedge, Smallflower Umbrella | Cyperus difformis | Cyperaceae (Sedge Family) | Aquatic, Sedge |
| Shattercane | Sorghum bicolor | Poaceae (Grass family) | Grass |
| Shepherd's-purse | Capsella bursa-pastoris | Brassicaceae (Mustard Family) | Broadleaf |
| Smartweed, Pale | Polygonum lapathifolium | Polygonaceae (Buckwheat Family) | Broadleaf |
| Smutgrass | Sporobolus indicus | Poaceae (Grass Family) | Grass |
| Sorrel, Red | Rumex acetosella | Polygonaceae (Buckwheat Family) | Broadleaf |
| Sowthistle, Annual | Sonchus oleraceus | Asteraceae (Sunflower Family) | Broadleaf |
| Sowthistles | Sonchus spp. | Asteraceae (Sunflower Family) | Broadleaf |
| Speedwell, Persian | Veronica persica | Scrophulariaceae (Figwort Family) | Broadleaf |
| Speedwell, Thymeleaf | Veronica serpyllifolia | Scrophulariaceae (Figwort Family) | Broadleaf |
| Spikerush, Blunt | Eleocharis obtusa | Cyperaceae (Sedge Family) | Aquatic, Sedge |
| Sprangletop, Bearded | Leptochloa fascicularis | Poaceae (Grass Family) | Aquatic, Grass |
| Spurge, Creeping | Euphorbia serpens | Euphorbiaceae (Spurge Family) | Broadleaf |
| Spurge, Petty | Euphorbia peplus | Euphorbiaceae (Spurge Family) | Broadleaf |
| Spurge, Spotted | Euphorbia maculata | Euphorbiaceae (Spurge Family) | Broadleaf |
| Spurry, Corn | Spergula arvensis | Caryophyllaceae (Pink Family) | Broadleaf |
| Starthistle, Yellow | Centaurea solstitialis | Asteraceae (Sunflower Family) | Broadleaf |
| Stickleaf | Mentzelia dispersa | Loasaceae (Loasa Family) | Broadleaf |
| Sunflowers | Helianthus spp. | Asteraceae (Sunflower Family) | Broadleaf |
| Sweetclover, Yellow | Melilotus officinalis | Fabaceae (Pea or Bean Family) | Broadleaf |
| Swinecress, Greater | Lepidium coronopus | Brassicaceae (Mustard Family) | Broadleaf |
| Swinecress, Lesser | Lepidium didymum | Brassicaceae (Mustard Family) | Broadleaf |
| Tarweeds | Hemizonia spp. | Asteraceae (Sunflower Family) | Broadleaf |
| Thistle, Canada | Cirsium arvense | Asteraceae (Sunflower Family) | Broadleaf |
| Thistle, Italian | Carduus pycnocephalus | Asteraceae (Sunflower Family) | Broadleaf |
| Thistle, Russian | Salsola spp. | Chenopodiaceae (Goosefoot Family) | Broadleaf |
| Thistle, Slenderflower | Carduus tenuiflorus | Asteraceae (Sunflower Family) | Broadleaf |
| Thornapple, Sacred | Datura wrightii | Solanaceae (Nightshade Family) | Broadleaf |
| Tobacco, Indian | Nicotiana quadrivalis | Solanaceae (Nightshade family) | Broadleaf |
| Velvetgrass, German | Holcus mollis | Poaceae (Grass Family) | Grass |
| Velvetleaf | Abutilon theophrasti | Malvaceae (Mallow Family) | Broadleaf |
| Vetch | Vicia spp. | Fabaceae (Pea or Bean) Family | Broadleaf |
| Waterhyssops | Bacopa spp. | Scrophulariaceae (Figwort Family) | Aquatic, Broadleaf |
| Waterplantain, Common | Alisma plantago-aquatica | Alismataceae (Waterplantain Family) | Aquatic, Broadleaf |
| Wheat, Volunteer | Triticum sp. | Poaceae (Grass Family) | Grass |
| Wild Cucumber | Marah spp. | Cucurbitaceae (Squash Family) | Broadleaf |
| Willowherbs | Epilobium spp. | Onagraceae (Evening Primrose Family) | Broadleaf |
| Witchgrass | Panicum capillare | Poaceae (Grass Family) | Grass |
| Woodsorrel, Creeping | Oxalis corniculata | Oxalidaceae (Oxalis Family) | Broadleaf |
| Yarrow, Common | Achillea millefolium | Asteraceae (Sunflower Family) | Broadleaf |
