A
Alder
Weed
Weed
Alligator weed
Alternanthera philoxeroide
Weed
Alternanthera philoxeroide
Weed
Amaranth, palmer
Amaranth palmeri
Weed
Amaranth palmeri
Weed
Amaranth, spiny
Amaranthus spinosus
Weed
Amaranthus spinosus
Weed
American lotus
Nelumbo lutea
Weed
Nelumbo lutea
Weed
Annual bluegrass weevil
Listronotus maculicollis
Insect
Listronotus maculicollis
Insect
Annual ryegrass
Lolium multiflorum
Weed
Lolium multiflorum
Weed
Annual ryegrass
Lolium multiflorum
Weed
Lolium multiflorum
Weed
Anoda, spurred
Anoda cristata
Weed
Anoda cristata
Weed
Anthracnose
Colletotrichum graminicolum
Fungus
Colletotrichum graminicolum
Fungus
Ants
Formicidae spp.
Insect
Formicidae spp.
Insect
Aphids
Aphidoidea spp.
Insect
Aphidoidea spp.
Insect
Armyworms
Spodoptera mauritia
Insect
Spodoptera mauritia
Insect
Artichoke
Weed
Weed
Ascochyta leaf blight
Boeremia exigua
Fungus
Boeremia exigua
Fungus
Assassin bugs
Pselliopus spp.
Insect
Pselliopus spp.
Insect
Aster
Aster gracillis
Weed
Aster gracillis
Weed
Aster, many flowered
Symphyotrichum ericoides
Weed
Symphyotrichum ericoides
Weed
Aster, seaside
Erigeron glaucus
Weed
Erigeron glaucus
Weed
Aster, slender
Aster gracillis
Weed
Aster gracillis
Weed
Aster, spiny
Leucosyris spinosa
Weed
Leucosyris spinosa
Weed
Aster, white heath
Symphyotrichum ericoides
Weed
Symphyotrichum ericoides
Weed
Aster, white prairie
Symphyotrichum falcatum
Weed
Symphyotrichum falcatum
Weed
Aster, wild
Aster gracillis
Weed
Aster gracillis
Weed
B
Bahiagrass
Paspalum notatum
Weed
Paspalum notatum
Weed
Balloonvine
Cardiospermum halicacabum
Weed
Cardiospermum halicacabum
Weed
Banks grass mite
Oligonychus pratensis
Insect
Oligonychus pratensis
Insect
Bark beetles
Scolytinae spp.
Insect
Scolytinae spp.
Insect
Barley, little
Hordeum pusillum
Weed
Hordeum pusillum
Weed
Barnyardgrass
Echinochloa crus-galli
Weed
Echinochloa crus-galli
Weed
Bedstraw
Galium aparine
Weed
Galium aparine
Weed
Bedstraw, annual
Galium aparine
Weed
Galium aparine
Weed
Bedstraw, catchweed
Galium aparine
Weed
Galium aparine
Weed
Bedstraw, pineywoods
Coreopsis tinctora
Weed
Coreopsis tinctora
Weed
Bedstraw, smooth
Galium mollugo
Weed
Galium mollugo
Weed
Bees
Apis spp.
Insect
Apis spp.
Insect
Beetles, green june
Cotinis nitida
Insect
Cotinis nitida
Insect
Beetles, june
Phyllophaga
Insect
Phyllophaga
Insect
Beetles, may
Phyllophaga
Insect
Phyllophaga
Insect
Beetles, oriental
Anomala orientalis
Insect
Anomala orientalis
Insect
Beetles, scarab
Scarabaeidae
Insect
Scarabaeidae
Insect
Beggarticks
Bidens frondosa
Weed
Bidens frondosa
Weed
Beggarticks, hairy
Bidens pilosa
Weed
Bidens pilosa
Weed
Beggarweed
Desmodium incanum
Weed
Desmodium incanum
Weed
Beggarweed, creeping
Desmodium canum
Weed
Desmodium canum
Weed
Beggarweed, florida
Desmodium tortuosum
Weed
Desmodium tortuosum
Weed
Bentgrass
Agrostis
Weed
Agrostis
Weed
Bentgrass
Agrostis
Weed
Agrostis
Weed
Bentgrass dead spot
Ophiosphaerella agrostis
Fungus
Ophiosphaerella agrostis
Fungus
Bermudagrass decline
Gaeumannomyces graminis
Fungus
Gaeumannomyces graminis
Fungus
Billbugs
Sphenophorus spp.
Insect
Sphenophorus spp.
Insect
Bindweed
Convolvulus spp
Weed
Convolvulus spp
Weed
Bindweed, field
Convolvulus arvensis
Weed
Convolvulus arvensis
Weed
Bindweed, hedge
Calystegia sepium
Weed
Calystegia sepium
Weed
Birdsfoot trefoil
Lotus corniculatus
Weed
Lotus corniculatus
Weed
Bittercress
Cardamine hirsuta
Weed
Cardamine hirsuta
Weed
Bittercress, hairy
Cardamine hirsuta
Weed
Cardamine hirsuta
Weed
Bittercress, smallflowered
Cardamine parviflora
Weed
Cardamine parviflora
Weed
Bitterweed
Hymenoxys odorata
Weed
Hymenoxys odorata
Weed
Black medic
Medicago lupulina
Weed
Medicago lupulina
Weed
Black turfgrass ataenius
Ataenius spretulus
Insect
Ataenius spretulus
Insect
Black-eyed susan
Rudbeckia hirta
Weed
Rudbeckia hirta
Weed
Blue toadflax
Nuttallanthus canadensis
Weed
Nuttallanthus canadensis
Weed
Bluebur
Lappula squarrosa
Weed
Lappula squarrosa
Weed
Blue-eyed mary
Collinsia verna
Weed
Collinsia verna
Weed
Bluegrass billbug
Sphenophorus parvulus
Insect
Sphenophorus parvulus
Insect
Bluegrass, annual
Poa annua
Weed
Poa annua
Weed
Bluegrass, bulbous
Poa bulbosa
Weed
Poa bulbosa
Weed
Bluegrass, roughstalk
Poa trivialis
Weed
Poa trivialis
Weed
Blueweed
Echium vulgare
Weed
Echium vulgare
Weed
Borers
Buprestidae
Insect
Buprestidae
Insect
Box elder
Weed
Weed
Boxelder bugs
Boisea trivittata
Insect
Boisea trivittata
Insect
Brassbuttons
Cotula coronopifolia
Weed
Cotula coronopifolia
Weed
Brome
Bromus spp.
Weed
Bromus spp.
Weed
Brome, downy
Bromus spp.
Weed
Bromus spp.
Weed
Broom snakeweed
Amphiachyris dracunculoides
Weed
Amphiachyris dracunculoides
Weed
Broomweed
Amphiachyris dracunculoides
Weed
Amphiachyris dracunculoides
Weed
Broomweed, annual
Amphiachyris dracunculoides
Weed
Amphiachyris dracunculoides
Weed
Brown patch
Rhizoctonia solani
Fungus
Rhizoctonia solani
Fungus
Brown ring patch
Waitea circinata
Fungus
Waitea circinata
Fungus
Buckhorn
Plantago lanceolata
Weed
Plantago lanceolata
Weed
Buckwheat, wild
Fallopia convolvulus
Weed
Fallopia convolvulus
Weed
Bullnettle
Cnidoscolus texanus
Weed
Cnidoscolus texanus
Weed
Bullthistle
Cirsium vulgare
Weed
Cirsium vulgare
Weed
Burclover
Medicago polymorpha
Weed
Medicago polymorpha
Weed
Burcucumber
Genus sicyos
Weed
Genus sicyos
Weed
Burdock
Arctium
Weed
Arctium
Weed
Burdock, common
Arctium
Weed
Arctium
Weed
Burhead
Echinodorus cordifolius
Weed
Echinodorus cordifolius
Weed
Burnweed, american
Erechtites hieraciifolia
Weed
Erechtites hieraciifolia
Weed
Burweed
Soliva sessilis
Weed
Soliva sessilis
Weed
Burweed, prickly
Xanthium spinosum
Weed
Xanthium spinosum
Weed
Buttercup
Ranunculus spp
Weed
Ranunculus spp
Weed
Buttercup, annual
Ranunculus sceleratus
Weed
Ranunculus sceleratus
Weed
Buttercup, bulbous
Ranunculus bulbosus
Weed
Ranunculus bulbosus
Weed
Buttercup, creeping
Ranunculus repens
Weed
Ranunculus repens
Weed
Buttercup, hairy
Ranunculus sardous
Weed
Ranunculus sardous
Weed
Buttercup, tall
Ranunculus acris
Weed
Ranunculus acris
Weed
Buttonweed
Diodia virginiana
Weed
Diodia virginiana
Weed
Buttonweed, virginia
Diodia virginiana
Weed
Diodia virginiana
Weed
C
California oakworm
Phryganidia californica
Insect
Phryganidia californica
Insect
Camelthorn
Alhagi maurorum
Weed
Alhagi maurorum
Weed
Canarygrass
Weed
Weed
Carelessweed
Amaranth palmeri
Weed
Amaranth palmeri
Weed
Carolina ponyfoot
Dichondra carolinesis
Weed
Dichondra carolinesis
Weed
Carpenter ants
Camponotus spp.
Insect
Camponotus spp.
Insect
Carpenter bees
Xylocopa spp.
Insect
Xylocopa spp.
Insect
Carpetgrass
Axonopus fissifolius
Weed
Axonopus fissifolius
Weed
Carpetweed
Mollugo verticillata
Weed
Mollugo verticillata
Weed
Carrot, wild
Daucus carota
Weed
Daucus carota
Weed
Caterpillars
Lepidoptera
Insect
Lepidoptera
Insect
Catnip
Nepeta cataria
Weed
Nepeta cataria
Weed
Celandine, lesser
Ficaria verna
Weed
Ficaria verna
Weed
Celery, wild
Weed
Weed
Centipedes
Chilopoda spp.
Insect
Chilopoda spp.
Insect
Chafers, european
Amphimallon majale
Insect
Amphimallon majale
Insect
Chafers, northern masked
Cyclocephala borealis
Insect
Cyclocephala borealis
Insect
Chafers, southern masked
Cyclocephala lurida
Insect
Cyclocephala lurida
Insect
Chamberbitter
Phyllanthus urinaria
Weed
Phyllanthus urinaria
Weed
Chamise
Weed
Weed
Chamomile, corn
Weed
Weed
Chamomile, false
Matricaria perforata
Weed
Matricaria perforata
Weed
Chamomile, scentless
Tripleurospermum inodorum
Weed
Tripleurospermum inodorum
Weed
Cheatgrass
Bromus spp.
Weed
Bromus spp.
Weed
Chickweed
Stellaria media
Weed
Stellaria media
Weed
Chickweed, common
Stellaria media
Weed
Stellaria media
Weed
Chickweed, mouseear
Cerastium spp.
Weed
Cerastium spp.
Weed
Chicory
Cichorium intybus
Weed
Cichorium intybus
Weed
Chiggers
Trombiculidae spp.
Insect
Trombiculidae spp.
Insect
Chinch bugs
Blissus leucopterus
Insect
Blissus leucopterus
Insect
Cinquefoil
Potentilla spp.
Weed
Potentilla spp.
Weed
Cinquefoil, rough
Potentilla norvegica
Weed
Potentilla norvegica
Weed
Cinquefoil, sulfur
Potentilla recta
Weed
Potentilla recta
Weed
Clover
Trifolium spp.
Weed
Trifolium spp.
Weed
Clover, bur
Medicago polymorpha
Weed
Medicago polymorpha
Weed
Clover, crimson
Trifolium incarnatum
Weed
Trifolium incarnatum
Weed
Clover, dutch
Trifolium repens
Weed
Trifolium repens
Weed
Clover, honeysuckle
Trifolium repens
Weed
Trifolium repens
Weed
Clover, large hop
Trifolium aureum
Weed
Trifolium aureum
Weed
Clover, purplewort
Trifolium repens
Weed
Trifolium repens
Weed
Clover, rabbitfoot
Trifolium arvense
Weed
Trifolium arvense
Weed
Clover, red
Trifolium pratense
Weed
Trifolium pratense
Weed
Clover, strawberry
Trifolium fragiferum
Weed
Trifolium fragiferum
Weed
Clover, sweet
Melilotus officinalis
Weed
Melilotus officinalis
Weed
Clover, white
Trifolium repens
Weed
Trifolium repens
Weed
Clover, white sweet
Melilotus albus
Weed
Melilotus albus
Weed
Clover, white trefoil
Trifolium repens
Weed
Trifolium repens
Weed
Clover, yellow sweet
Melilotus officinalis
Weed
Melilotus officinalis
Weed
Cockle
Lolium temulentum
Weed
Lolium temulentum
Weed
Cockle, corn
Agrostemma githago
Weed
Agrostemma githago
Weed
Cocklebur
Xanthium strumarium
Weed
Xanthium strumarium
Weed
Cocklebur, common
Xanthium strumarium
Weed
Xanthium strumarium
Weed
Cocklebur, oriental
Xanthium occidentale
Weed
Xanthium occidentale
Weed
Cocklebur, spiny
Xanthium spinosum
Weed
Xanthium spinosum
Weed
Cockroaches
Periplaneta americana
Insect
Periplaneta americana
Insect
Coffee senna
Senna occidentalis
Weed
Senna occidentalis
Weed
Coffeebean
Sesbania herbacea
Weed
Sesbania herbacea
Weed
Coffeeweed
Sesbania herbacea
Weed
Sesbania herbacea
Weed
Columbus grass
Sorghum almum
Weed
Sorghum almum
Weed
Common groundsel
Senecio vulgaris
Weed
Senecio vulgaris
Weed
Compassplant
Silphium laciniatum
Weed
Silphium laciniatum
Weed
Conical catchfly
Weed
Weed
Cool weather brown patch
Fungus
Fungus
Copper spot
Gloeocercospora sorghi
Fungus
Gloeocercospora sorghi
Fungus
Copperleaf
Ascalypha spp.
Weed
Ascalypha spp.
Weed
Copperleaf, virginia
Acalypha virginica
Weed
Acalypha virginica
Weed
Coprinus snow mold
Coprinus psychrombidus
Fungus
Coprinus psychrombidus
Fungus
Coreopsis, plains
Weed
Weed
Corn spurry
Spergula arvensis
Weed
Spergula arvensis
Weed
Cornflower
Centaurea cyanus
Weed
Centaurea cyanus
Weed
Crabgrass
Digitaria spp.
Weed
Digitaria spp.
Weed
Crabgrass, hairy
Digitaria sanguinalis
Weed
Digitaria sanguinalis
Weed
Crabgrass, large
Digitaria sanguinalis
Weed
Digitaria sanguinalis
Weed
Crabgrass, smooth
Digitaria ischaemum
Weed
Digitaria ischaemum
Weed
Crabgrass, southern
Digitaria ciliaris
Weed
Digitaria ciliaris
Weed
Crabgrass, tropical
Digitaria ciliaris
Weed
Digitaria ciliaris
Weed
Crane flies
Tipulidae spp.
Insect
Tipulidae spp.
Insect
Crazyweed
Oxytropis spp.
Weed
Oxytropis spp.
Weed
Creeper, virgina
Parthenocissus quinquefolia
Weed
Parthenocissus quinquefolia
Weed
Creeping charlie
Glechoma hederacea
Weed
Glechoma hederacea
Weed
Creeping jenny
Lysimachia nummularia
Weed
Lysimachia nummularia
Weed
Crickets
Gryllidae spp.
Insect
Gryllidae spp.
Insect
Croton
Croton capitatus
Weed
Croton capitatus
Weed
Croton, tropic
L. croton glandulosus
Weed
L. croton glandulosus
Weed
Croton, woolly
Croton capitatus
Weed
Croton capitatus
Weed
Crowfootgrass
Dactyloctenium aegyptium
Weed
Dactyloctenium aegyptium
Weed
Crown rot
Phytophthora
Fungus
Phytophthora
Fungus
Crownvetch
Securigera varia
Weed
Securigera varia
Weed
Crownvetch, trailing
Securigera varia
Weed
Securigera varia
Weed
Cudweed
Gnaphalium spp.
Weed
Gnaphalium spp.
Weed
Cudweed, fragrant
Gnaphalium obtusifolium
Weed
Gnaphalium obtusifolium
Weed
Cudweed, fragrant
Gnaphalium obtusifolium
Weed
Gnaphalium obtusifolium
Weed
Cudweed, purple
Gamochaeta purpurea
Weed
Gamochaeta purpurea
Weed
Cupgrass, prairie
Eriochloa contracta
Weed
Eriochloa contracta
Weed
Cupgrass, southwestern
Eriochloa acuminata
Weed
Eriochloa acuminata
Weed
Cupgrass, woolly
Eriochloa villosa
Weed
Eriochloa villosa
Weed
Curly indigo
Weed
Weed
Cutworms
Noctuidae spp.
Insect
Noctuidae spp.
Insect
D
Daisy, american
Leucanthemum vulgare
Weed
Leucanthemum vulgare
Weed
Daisy, english
Bellis perennis
Weed
Bellis perennis
Weed
Daisy, false
Eclipta prostrata
Weed
Eclipta prostrata
Weed
Daisy, oxeye
Leucanthemum vulgare
Weed
Leucanthemum vulgare
Weed
Dallisgrass
Paspalum dilatatum
Weed
Paspalum dilatatum
Weed
Dandelion
Taraxacum
Weed
Taraxacum
Weed
Dandelion, carolina false
Pyrrhoppapus carolinianus
Weed
Pyrrhoppapus carolinianus
Weed
Dandelion, cat's ear
Hypochaeris radicata
Weed
Hypochaeris radicata
Weed
Dandelion, common
Taraxacum
Weed
Taraxacum
Weed
Dandelion, fall
Leontodon autumnalis
Weed
Leontodon autumnalis
Weed
Dandelion, false
Hypochaeris radicata
Weed
Hypochaeris radicata
Weed
Dandelion, spotted catsear
Weed
Weed
Dandelion, virginia dwarf
Krigia virginica
Weed
Krigia virginica
Weed
Dayflower
Commelina communis
Weed
Commelina communis
Weed
Dayflower, common
Commelina communis
Weed
Commelina communis
Weed
Dayflower, virginia commelina virginica
Weed
Weed
Dead nettle
Lamium purpureum
Weed
Lamium purpureum
Weed
Dead nettle, purple
Lamium purpureum
Weed
Lamium purpureum
Weed
Deergrass
Muhlenbergia rigens
Weed
Muhlenbergia rigens
Weed
Devil's claw
Harpagophytum
Weed
Harpagophytum
Weed
Dichondra
Dichondra repens
Weed
Dichondra repens
Weed
Dichondra rust
Puccinia dichondri
Fungus
Puccinia dichondri
Fungus
Dichondra, carolina
Dichondra carolinesis
Weed
Dichondra carolinesis
Weed
Dock
Rumex spp.
Weed
Rumex spp.
Weed
Dock, broadleaf
Rumex obtusifolius
Weed
Rumex obtusifolius
Weed
Dock, curly
Rumex crispus
Weed
Rumex crispus
Weed
Dock, smooth
Rumex altissimus
Weed
Rumex altissimus
Weed
Dogbane
Apocynum cannabinum
Weed
Apocynum cannabinum
Weed
Dogbane, hemp
Apocynum cannabinum
Weed
Apocynum cannabinum
Weed
Dogfennel
Eupatorium capillifolium
Weed
Eupatorium capillifolium
Weed
Dollar spot
Clarireedia homoeocarpa
Fungus
Clarireedia homoeocarpa
Fungus
Dollarweed
Hydrocotyle verticillata
Weed
Hydrocotyle verticillata
Weed
Doveweed
Croton capitatus
Weed
Croton capitatus
Weed
Downy mildew
Sclerophthora macrospora
Fungus
Sclerophthora macrospora
Fungus
E
Earwigs
Dermaptera spp.
Insect
Dermaptera spp.
Insect
Eclipta
Eclipta prostrata
Weed
Eclipta prostrata
Weed
Elderberry
Sambucus nigra spp.
Weed
Sambucus nigra spp.
Weed
Elm leaf beetles
Xanthogaleruca luteola
Insect
Xanthogaleruca luteola
Insect
Evening primrose
Oenothera spp.
Weed
Oenothera spp.
Weed
Evening primrose, cutleaf
Oenothera laciniata
Weed
Oenothera laciniata
Weed
F
Fairy ring
Lycoperdon spp., agrocybe pediades, and bovistra plumbea
Fungus
Lycoperdon spp., agrocybe pediades, and bovistra plumbea
Fungus
False flax
Camelina sativa
Weed
Camelina sativa
Weed
False flax, smallseed
Camelina microcarpa
Weed
Camelina microcarpa
Weed
Fanweed
Thlaspi arvense
Weed
Thlaspi arvense
Weed
Fiddleneck
Amsinckia spp.
Weed
Amsinckia spp.
Weed
Fiddleneck, coast
Amsinckia intermedia
Weed
Amsinckia intermedia
Weed
Fieldcress, austrian
Rorippa austriaca
Weed
Rorippa austriaca
Weed
Filaree
Erodium cicutarium
Weed
Erodium cicutarium
Weed
Filaree, redstem
Erodium cicutarium
Weed
Erodium cicutarium
Weed
Filaree, whitestem
Erodium moschatum
Weed
Erodium moschatum
Weed
Fire ants
Solenopsis spp.
Insect
Solenopsis spp.
Insect
Firebrats
Thermobia domestica
Insect
Thermobia domestica
Insect
Fireweed
Chamaenerion spp.
Weed
Chamaenerion spp.
Weed
Fivehook bassia bassia
Hyssopifolia
Weed
Hyssopifolia
Weed
Fleabane
Erigeron spp.
Weed
Erigeron spp.
Weed
Fleabane, annual
Erigeron annuus
Weed
Erigeron annuus
Weed
Fleabane, daisy
Erigeron annuus
Weed
Erigeron annuus
Weed
Fleabane, flax-leaf
Erigeron bonariensis
Weed
Erigeron bonariensis
Weed
Fleabane, hairy
Erigeron bonariensis
Weed
Erigeron bonariensis
Weed
Fleabane, philadelphia
Erigeron philadelphicus
Weed
Erigeron philadelphicus
Weed
Fleabane, rough
Erigeron strigosus
Weed
Erigeron strigosus
Weed
Fleas
Siphonaptera spp.
Insect
Siphonaptera spp.
Insect
Flies
Diptera
Insect
Diptera
Insect
Flixweed
Descurainia sophia
Weed
Descurainia sophia
Weed
Florida betony
Stachys floridana
Weed
Stachys floridana
Weed
Florida pulsey
Richardia scabra
Weed
Richardia scabra
Weed
Florida's paintbrush
Emilia fosbergii
Weed
Emilia fosbergii
Weed
Four-o-clock, wild
Mirabilis nyctaginea
Weed
Mirabilis nyctaginea
Weed
Foxtail
Setaria spp
Weed
Setaria spp
Weed
Foxtail, annual
Setaria viridis
Weed
Setaria viridis
Weed
Foxtail, giant
Setaria faberi
Weed
Setaria faberi
Weed
Foxtail, green
Setaria viridis
Weed
Setaria viridis
Weed
Foxtail, yellow
Setaria pumila
Weed
Setaria pumila
Weed
Frenchweed
Thlaspi arvense
Weed
Thlaspi arvense
Weed
Fusarium blight
Fusarium oxysporum
Fungus
Fusarium oxysporum
Fungus
Fusarium patch
Microdochium nivale
Fungus
Microdochium nivale
Fungus
G
Galinsoga
Galinsoga parviflora
Weed
Galinsoga parviflora
Weed
Galinsoga, hairy
Galinsoga quadriradiata
Weed
Galinsoga quadriradiata
Weed
Galinsoga, small flower
Galinsoga parviflora
Weed
Galinsoga parviflora
Weed
Garlic, wild
Allium vineale
Weed
Allium vineale
Weed
Geranium, carolina
Geranium carolinianum
Weed
Geranium carolinianum
Weed
Geranium, dovefoot
Geranium molle
Weed
Geranium molle
Weed
Geranium, wild
Geranium maculatum
Weed
Geranium maculatum
Weed
Goathead
Tribulus terrestris
Weed
Tribulus terrestris
Weed
Goatsbeard
Aruncus dioicus
Weed
Aruncus dioicus
Weed
Goatweed
Croton capitatus
Weed
Croton capitatus
Weed
Goldenrod
Solidago
Weed
Solidago
Weed
Goosefoot
Chenopodium
Weed
Chenopodium
Weed
Goosegrass
Eleusine indica
Weed
Eleusine indica
Weed
Grasshoppers
Caelifera spp.
Insect
Caelifera spp.
Insect
Gray leaf spot
Cercospora zeae-maydis
Fungus
Cercospora zeae-maydis
Fungus
Gray snow mold
Typhula incarnata
Fungus
Typhula incarnata
Fungus
Greenbriar, roundleaf
Smilax rotundifolia
Weed
Smilax rotundifolia
Weed
Gromwell , corn
Buglossoides arvensis
Weed
Buglossoides arvensis
Weed
Ground beetles
Carabidae spp.
Insect
Carabidae spp.
Insect
Ground ivy
Glechoma hederacea
Weed
Glechoma hederacea
Weed
Groundcherry, clammy
Physalis heterophylla
Weed
Physalis heterophylla
Weed
Groundcherry, cutleaf
Physalis angulata
Weed
Physalis angulata
Weed
Groundcherry, lanceleaf
Physalis angulata
Weed
Physalis angulata
Weed
Groundsel
Senecio vulgaris
Weed
Senecio vulgaris
Weed
Grubs, white
Phyllophaga
Insect
Phyllophaga
Insect
Gumweed
Grindelia squarrosa
Weed
Grindelia squarrosa
Weed
Gypsy moths
Lymantria dispar
Insect
Lymantria dispar
Insect
H
Halogeton
Halogeton glomeratus
Weed
Halogeton glomeratus
Weed
Hawksbeard, asiatic
Youngia japonica
Weed
Youngia japonica
Weed
Hawksbeard, narrowleaf
Crepis tectorum
Weed
Crepis tectorum
Weed
Hawkweed
Hieracium spp.
Weed
Hieracium spp.
Weed
Hawkweed, mouseear
Hieracium pilosella
Weed
Hieracium pilosella
Weed
Hawkweed, orange
Pilosella aurantiaca
Weed
Pilosella aurantiaca
Weed
Hawkweed, yellow
Hieracium caespitosum
Weed
Hieracium caespitosum
Weed
Healall
Prunella vulgaris
Weed
Prunella vulgaris
Weed
Heartleaf drymary
Drymaria cordata
Weed
Drymaria cordata
Weed
Hemlock
Conium maculatum
Weed
Conium maculatum
Weed
Hemp
Cannabis sativa
Weed
Cannabis sativa
Weed
Hemp, wild
Cannabis sativa
Weed
Cannabis sativa
Weed
Henbane, black
Hyoscyamus niger
Weed
Hyoscyamus niger
Weed
Henbit
Lamium amplexicaule
Weed
Lamium amplexicaule
Weed
Hoary cress
Lepidium draba
Weed
Lepidium draba
Weed
Hogweed, giant
Heracleum mantegazzianum
Weed
Heracleum mantegazzianum
Weed
Hogwort
Croton capitatus
Weed
Croton capitatus
Weed
Honeyvine milkweed
Cynanchum laeve
Weed
Cynanchum laeve
Weed
Hop clover
Trifolium aureum
Weed
Trifolium aureum
Weed
Horsenettle
Solanum carolinense
Weed
Solanum carolinense
Weed
Horsetail
Erigeron canadensis
Weed
Erigeron canadensis
Weed
Horseweed
Erigeron canadensis
Weed
Erigeron canadensis
Weed
Horseweed, sprawling
Calyptocarpus vialis
Weed
Calyptocarpus vialis
Weed
Hyperodes weevil
Listronotus maculicollis
Insect
Listronotus maculicollis
Insect
I
Innocence
Cenchrus spp.
Weed
Cenchrus spp.
Weed
Ironweed
Vernonia spp
Weed
Vernonia spp
Weed
Ironweed, tall
Vernonia gigantea
Weed
Vernonia gigantea
Weed
Ironweed, western
Vernonia baldwinii
Weed
Vernonia baldwinii
Weed
Itchgrass
Rottboellia cochinchinensis
Weed
Rottboellia cochinchinensis
Weed
J
Japanese beetles
Popillia japonica
Insect
Popillia japonica
Insect
Jerusalem artichoke
Helianthus tuberosus
Weed
Helianthus tuberosus
Weed
Jewelweed
Impatiens capensis
Weed
Impatiens capensis
Weed
Jimsonweed
Datura stramonium
Weed
Datura stramonium
Weed
Johnsongrass
Sorghum halepense
Weed
Sorghum halepense
Weed
June bugs
Phyllophaga
Insect
Phyllophaga
Insect
Junglerice
Echinochloa colona
Weed
Echinochloa colona
Weed
K
Kikuyu grass
Pennisetum clandestinum
Weed
Pennisetum clandestinum
Weed
Knapweed
Centaurea spp.
Weed
Centaurea spp.
Weed
Knapweed, diffuse
Centaurea diffusa
Weed
Centaurea diffusa
Weed
Knapweed, spotted
Centaurea stoebe
Weed
Centaurea stoebe
Weed
Knawel
Scleranthus annuus
Weed
Scleranthus annuus
Weed
Knotweed
Polygonum spp.
Weed
Polygonum spp.
Weed
Knotweed, prostrate
Polygonum aviculare
Weed
Polygonum aviculare
Weed
Knotweed, water
Polygonum amphibium
Weed
Polygonum amphibium
Weed
Kochia
Bassia scoparia
Weed
Bassia scoparia
Weed
Kudzu
Pueraria montana
Weed
Pueraria montana
Weed
Kyllinga, annual
Cyperus sesquiflorus
Weed
Cyperus sesquiflorus
Weed
Kyllinga, cockscomb
Kyllinga gracillima
Weed
Kyllinga gracillima
Weed
Kyllinga, false green
Kyllinga gracillima
Weed
Kyllinga gracillima
Weed
Kyllinga, green
Kyllinga brevifolia
Weed
Kyllinga brevifolia
Weed
L
Lady's mantle
Alchemilla mollis
Weed
Alchemilla mollis
Weed
Ladysthumb
Persicaria maculosa
Weed
Persicaria maculosa
Weed
Lambsquarters
Chenopodium album
Weed
Chenopodium album
Weed
Lambsquarters, common
Chenopodium album
Weed
Chenopodium album
Weed
Lawn burweed
Soliva sessilis
Weed
Soliva sessilis
Weed
Leaf rust
Pucciniales
Fungus
Pucciniales
Fungus
Leaf smuts
Basidiomycota
Fungus
Basidiomycota
Fungus
Leaf spot
Fungus
Fungus
Leafhoppers
Cicadellidae
Insect
Cicadellidae
Insect
Lespedeza
Lespedeza cuneata
Weed
Lespedeza cuneata
Weed
Lespedeza, annual
Lespedeza striata
Weed
Lespedeza striata
Weed
Lespedeza, common
Lespedeza cuneata
Weed
Lespedeza cuneata
Weed
Lespedeza, sericea
Lespedeza perenne
Weed
Lespedeza perenne
Weed
Lettuce, blue
Lactuca biennis
Weed
Lactuca biennis
Weed
Lettuce, prickly
Lactuca serriola
Weed
Lactuca serriola
Weed
Lettuce, wild
Lactuca virosa
Weed
Lactuca virosa
Weed
Licorice, wild
Glycyrrhiza lepidota
Weed
Glycyrrhiza lepidota
Weed
Lippia
Lippia alba
Weed
Lippia alba
Weed
Lobularia
Weed
Weed
Locoweed
Oxytropis spp.
Weed
Oxytropis spp.
Weed
Locust, black
Robinia pseudoacacia
Weed
Robinia pseudoacacia
Weed
Locust, honey
Gleditsia triacanthos
Weed
Gleditsia triacanthos
Weed
Loosestrife, purple
Lythrum salicaria
Weed
Lythrum salicaria
Weed
Lovegrass
Eragrostis
Weed
Eragrostis
Weed
Lovegrass, gophertail
Eragrostis cillaris
Weed
Eragrostis cillaris
Weed
Lovegrass, tufted
Eragrostis pectinacea
Weed
Eragrostis pectinacea
Weed
Lupine
Weed
Weed
M
Madder, field
Sherardia spp.
Weed
Sherardia spp.
Weed
Mallow
Malva neglecta
Weed
Malva neglecta
Weed
Mallow, bristly
Modiola caroliniana
Weed
Modiola caroliniana
Weed
Mallow, common
Malva neglecta
Weed
Malva neglecta
Weed
Mallow, dwarf
Malva neglecta
Weed
Malva neglecta
Weed
Mallow, indiana
Malva neglecta
Weed
Malva neglecta
Weed
Marestail
Erigeron canadensis
Weed
Erigeron canadensis
Weed
Marigold, roundleafed
Tagetes erecta
Weed
Tagetes erecta
Weed
Marigold, wild
Baileya multiradiata
Weed
Baileya multiradiata
Weed
Marijuana
Cannabis sativa
Weed
Cannabis sativa
Weed
Marshelder
Iva annua
Weed
Iva annua
Weed
Mary's grass
Microstegium vimineum
Weed
Microstegium vimineum
Weed
Matchweed
Lippia nodiflora
Weed
Lippia nodiflora
Weed
Mayweed
Anthemis cotula
Weed
Anthemis cotula
Weed
Mayweed, scentless
Matricaria perforata
Weed
Matricaria perforata
Weed
Mayweed, stinking
Anthemis cotula
Weed
Anthemis cotula
Weed
Mealybugs
Pseudococcidae
Insect
Pseudococcidae
Insect
Melting-out
Drechslera poae
Fungus
Drechslera poae
Fungus
Mesquite
Prosopis glandulosa
Weed
Prosopis glandulosa
Weed
Mexicanweed
Dysphania ambrosioides
Weed
Dysphania ambrosioides
Weed
Microdochium patch
Microdochium nivale
Fungus
Microdochium nivale
Fungus
Milkvetch
Astragalus
Weed
Astragalus
Weed
Milkweed
Asclepias
Weed
Asclepias
Weed
Milkweed, bloodflower
Asclepias curassavica
Weed
Asclepias curassavica
Weed
Milkweed, climbing
Cynanchum laeve
Weed
Cynanchum laeve
Weed
Millet, browntop
Brachiaria ramosa
Weed
Brachiaria ramosa
Weed
Millet, common
Panicum miliaceum
Weed
Panicum miliaceum
Weed
Millet, proso
Panicum miliaceum
Weed
Panicum miliaceum
Weed
Millipedes
Diplopoda
Insect
Diplopoda
Insect
Mimosa
Mimosa pudica
Weed
Mimosa pudica
Weed
Miner lettuce
Claytonia perfoliata
Weed
Claytonia perfoliata
Weed
Mites
Tetranychus urticae
Insect
Tetranychus urticae
Insect
Mole crickets
Gryllotalpidae
Insect
Gryllotalpidae
Insect
Moneywort
Lysimachia nummularia
Weed
Lysimachia nummularia
Weed
Morningglory
Ipomoea
Weed
Ipomoea
Weed
Morningglory, annual
Ipomoea
Weed
Ipomoea
Weed
Morningglory, entireleaf
Ipomea hederacea var. integriuscula
Weed
Ipomea hederacea var. integriuscula
Weed
Morningglory, ivyleaf
Ipomea hederacea
Weed
Ipomea hederacea
Weed
Morningglory, pitted
Ipomea lacunosa
Weed
Ipomea lacunosa
Weed
Morningglory, woolly
Argyreia nervosa
Weed
Argyreia nervosa
Weed
Mosquitoes
Culicidae
Insect
Culicidae
Insect
Moss
Bryophyta
Weed
Bryophyta
Weed
Mugwort
Artemisia vulgaris
Weed
Artemisia vulgaris
Weed
Mulberry weed
Fatoua villosa
Weed
Fatoua villosa
Weed
Mullein
Verbascum thapsus
Weed
Verbascum thapsus
Weed
Mullein, common
Verbascum thapsus
Weed
Verbascum thapsus
Weed
Mullien, turkey
Croton capitatus
Weed
Croton capitatus
Weed
Mustard
Sinapis arvensis
Weed
Sinapis arvensis
Weed
Mustard, black
Brassica nigra
Weed
Brassica nigra
Weed
Mustard, blue
Weed
Weed
Mustard, garlic
Alliaria petiolata
Weed
Alliaria petiolata
Weed
Mustard, hedge
Sisymbrium officinale
Weed
Sisymbrium officinale
Weed
Mustard, tansy
Descurainia pinnata
Weed
Descurainia pinnata
Weed
Mustard, tumble
Sisymbrium altissimum
Weed
Sisymbrium altissimum
Weed
Mustard, white
Brassica alba
Weed
Brassica alba
Weed
Mustard, wild
Sinapis arvensis
Weed
Sinapis arvensis
Weed
Mustard, yellow
Brassica alba
Weed
Brassica alba
Weed
N
Necrotic ring spot
Fusarium oxysporum
Fungus
Fusarium oxysporum
Fungus
Nettle, burning
Urtica urens
Weed
Urtica urens
Weed
Nettle, stinging
Urtica dioica
Weed
Urtica dioica
Weed
Nettle, tall
Urtica dioica
Weed
Urtica dioica
Weed
Nettles
Urtica dioica
Weed
Urtica dioica
Weed
Nightshade
Solanaceae spp.
Weed
Solanaceae spp.
Weed
Nightshade, black
Solanum nigrum
Weed
Solanum nigrum
Weed
Nightshade, cutleaf
Solanum triflorum
Weed
Solanum triflorum
Weed
Nightshade, eastern black
Solanum ptychanthum
Weed
Solanum ptychanthum
Weed
Nightshade, hairy
Solanum vilosum
Weed
Solanum vilosum
Weed
Nightshade, silverleaf
Solanum elaeagnifolium
Weed
Solanum elaeagnifolium
Weed
Nimblewill
Muhlenbergia schreberi
Weed
Muhlenbergia schreberi
Weed
Nutgrass
Cyperus esculentus
Weed
Cyperus esculentus
Weed
Nutsedge, purple
Cyperus rotundus
Weed
Cyperus rotundus
Weed
Nutsedge, yellow
Cyperus esculentus
Weed
Cyperus esculentus
Weed
O
Oat, wild
Avena fatua
Weed
Avena fatua
Weed
Old world diamond flower
Hedyotis
Weed
Hedyotis
Weed
Oxalis
Oxalis
Weed
Oxalis
Weed
Oxalis, buttercup
Oxalis pes-caprae
Weed
Oxalis pes-caprae
Weed
Oxeye, creeping
Sphagneticola trilobata
Weed
Sphagneticola trilobata
Weed
Oxtongue, bristly
Helminthotheca echioides
Weed
Helminthotheca echioides
Weed
P
Panicum
Panicum spp
Weed
Panicum spp
Weed
Panicum, browntop
Panicum fasiculatum
Weed
Panicum fasiculatum
Weed
Panicum, fall
Panicum dichotomiflorum
Weed
Panicum dichotomiflorum
Weed
Panicum, texas
Panicum texanum
Weed
Panicum texanum
Weed
Pansy, field
Viola arvensis
Weed
Viola arvensis
Weed
Parsley piert
Aphanes
Weed
Aphanes
Weed
Parsnip
Pastinaca sativa
Weed
Pastinaca sativa
Weed
Parsnip, wild
Pastinaca sativa
Weed
Pastinaca sativa
Weed
Paspalum, bull
Paspalum setaceum
Weed
Paspalum setaceum
Weed
Paspalum, thin
Paspalum setaceum
Weed
Paspalum setaceum
Weed
Pea, swainson
Sphaerophysa salsula
Weed
Sphaerophysa salsula
Weed
Pearlwort
Sagina procumbens
Weed
Sagina procumbens
Weed
Pearlwort, birdseye
Sagina procumbens
Weed
Sagina procumbens
Weed
Pennycress
Thlaspi arvense
Weed
Thlaspi arvense
Weed
Pennycress, field
Thlaspi arvense
Weed
Thlaspi arvense
Weed
Pennywort
Hydrocotyle verticillata
Weed
Hydrocotyle verticillata
Weed
Peppergrass
Lepidium virginicum
Weed
Lepidium virginicum
Weed
Pepperweed
Lepidium virginicum
Weed
Lepidium virginicum
Weed
Pepperweed, field
Lepidium campestre
Weed
Lepidium campestre
Weed
Pepperweed, perennial
Lepidium latifolium
Weed
Lepidium latifolium
Weed
Pepperweed, virginia
Lepidium virginicum
Weed
Lepidium virginicum
Weed
Pepperweed, yellowflower
Lepidium flavum
Weed
Lepidium flavum
Weed
Perennial ryegrass
Lolium perenne
Weed
Lolium perenne
Weed
Pigweed
Amaranthus spp.
Weed
Amaranthus spp.
Weed
Pigweed, prostrate
Amaranthus blitoides
Weed
Amaranthus blitoides
Weed
Pigweed, redroot
Amaranthus retroflexus
Weed
Amaranthus retroflexus
Weed
Pigweed, russian
Axyris amaranthoides
Weed
Axyris amaranthoides
Weed
Pigweed, smooth
Amaranthus hybridus
Weed
Amaranthus hybridus
Weed
Pigweed, tumble
Amaranthus albus
Weed
Amaranthus albus
Weed
Pillbugs
Oniscidea
Insect
Oniscidea
Insect
Pineapple weed
Chamomilla suaveolens
Weed
Chamomilla suaveolens
Weed
Pink patch
Limonomyses roseipelli
Fungus
Limonomyses roseipelli
Fungus
Pink snow mold
Microdochium nivale
Fungus
Microdochium nivale
Fungus
Plantain
Plantaginaceae
Weed
Plantaginaceae
Weed
Plantain, blackseed
Plantago rugelli
Weed
Plantago rugelli
Weed
Plantain, bracted
Plantago aristata
Weed
Plantago aristata
Weed
Plantain, broadleaf
Plantago major
Weed
Plantago major
Weed
Plantain, buckhorn
Plantago lanceolata
Weed
Plantago lanceolata
Weed
Plantain, hoary
Plantago media
Weed
Plantago media
Weed
Plantain, narrow-leaf
Plantago lanceolata
Weed
Plantago lanceolata
Weed
Plantain, paleseed
Plantago virginica
Weed
Plantago virginica
Weed
Plantain, slender
Plantago elongata
Weed
Plantago elongata
Weed
Plantain, water
Alisma subcordatum
Weed
Alisma subcordatum
Weed
Plantain, woolly
Plantago patagonica
Weed
Plantago patagonica
Weed
Poa patch
Magnaporthe poae
Fungus
Magnaporthe poae
Fungus
Poison hemlock
Conium maculatum
Weed
Conium maculatum
Weed
Poison ivy
Toxicodendron radicans
Weed
Toxicodendron radicans
Weed
Poison oak
Toxicodendron diversilobum
Weed
Toxicodendron diversilobum
Weed
Pokeberry
Phytolacca americana
Weed
Phytolacca americana
Weed
Pokeweed
Phytolacca americana
Weed
Phytolacca americana
Weed
Poorjoe
Diodia teres
Weed
Diodia teres
Weed
Povertyweed
Diodia teres
Weed
Diodia teres
Weed
Powdery mildew
Erysiphe graminis
Fungus
Erysiphe graminis
Fungus
Powdery mildew rusts
Fungus
Fungus
Prickly sida
Sida spinosa
Weed
Sida spinosa
Weed
Primrose
Oenothera spp.
Weed
Oenothera spp.
Weed
Puncture weed
Tribulus terrestris
Weed
Tribulus terrestris
Weed
Puncturevine
Tribulus terrestris
Weed
Tribulus terrestris
Weed
Purslane
Portulaca oleracea
Weed
Portulaca oleracea
Weed
Purslane, annual
Portulaca oleracea
Weed
Portulaca oleracea
Weed
Purslane, common
Portulaca oleracea
Weed
Portulaca oleracea
Weed
Purslane, horse
Trianthema portulacastrum
Weed
Trianthema portulacastrum
Weed
Pythium blight
Pythium aphanidermatum
Fungus
Pythium aphanidermatum
Fungus
Pythium root dysfunction
Pythium volutum
Fungus
Pythium volutum
Fungus
Pythium root rot
Pythium spp.
Fungus
Pythium spp.
Fungus
R
Rabbitbrush
Ericameria nauseosa
Weed
Ericameria nauseosa
Weed
Rabbitfoot grass
Polypogon monspeliensis
Weed
Polypogon monspeliensis
Weed
Radish, wild
Raphanus raphanistrum
Weed
Raphanus raphanistrum
Weed
Ragweed
Ambrosia artemisiifolia
Weed
Ambrosia artemisiifolia
Weed
Ragweed, bur
Ambrosia grayii
Weed
Ambrosia grayii
Weed
Ragweed, common
Ambrosia artemisiifolia
Weed
Ambrosia artemisiifolia
Weed
Ragweed, giant
Ambrosia trifida
Weed
Ambrosia trifida
Weed
Ragweed, western
Ambrosia psilostachya
Weed
Ambrosia psilostachya
Weed
Ragwort, tansy
Senecio jacobaea l.
Weed
Senecio jacobaea l.
Weed
Rape, wild
Brassica rapa
Weed
Brassica rapa
Weed
Rapid blight
Labyrinthula terrestris
Fungus
Labyrinthula terrestris
Fungus
Rattail fescue
Vulpia myuros
Weed
Vulpia myuros
Weed
Red fescue
Festuca rubra
Weed
Festuca rubra
Weed
Red thread
Laetisaria fuciformis
Fungus
Laetisaria fuciformis
Fungus
Redbud
Cercis canadensis
Weed
Cercis canadensis
Weed
Redmaids
Calandrinia ciliata
Weed
Calandrinia ciliata
Weed
Redstem
Erodium cicutarium
Weed
Erodium cicutarium
Weed
Redweed
Phytolacca americana
Weed
Phytolacca americana
Weed
Rescuegrass
Bromus catharticus
Weed
Bromus catharticus
Weed
Rhizoctonia large patch
Rhizoctonia solani
Fungus
Rhizoctonia solani
Fungus
Rhizoctonia leaf blight
Rhizoctonia zeae
Fungus
Rhizoctonia zeae
Fungus
Rice flatsedge
Cyperus iria
Weed
Cyperus iria
Weed
Rocket, london
Sisymbrium irio
Weed
Sisymbrium irio
Weed
Rose, wild southern
Weed
Weed
Rush
Juncus effusus
Weed
Juncus effusus
Weed
Rush skeletonweed
Chondrilla juncea
Weed
Chondrilla juncea
Weed
Rush, path
Juncus tenuis
Weed
Juncus tenuis
Weed
Rush, slender
Juncus tenuis
Weed
Juncus tenuis
Weed
Rust
Pucciniales
Fungus
Pucciniales
Fungus
Ryegrass, italian
Festuca perennis
Weed
Festuca perennis
Weed
S
Sage, mediterranean
Salvia aethiopis
Weed
Salvia aethiopis
Weed
Sage, whiteleaf
Salvia leucophylla
Weed
Salvia leucophylla
Weed
Sagebrush
Artemisia tridentata
Weed
Artemisia tridentata
Weed
Salsify
Tragopogon porrifolius
Weed
Tragopogon porrifolius
Weed
Salsify, meadow
Tragopogon pratensis
Weed
Tragopogon pratensis
Weed
Salsify, western
Tragopogon dubius
Weed
Tragopogon dubius
Weed
Salt cedar
Tamarix spp
Weed
Tamarix spp
Weed
Sand shinnery oak
Quercus havardii
Weed
Quercus havardii
Weed
Sandbur
Cenchrus echinatus
Weed
Cenchrus echinatus
Weed
Sandbur, field
Cenchrus echinatus
Weed
Cenchrus echinatus
Weed
Sandbur, southern
Cenchrus echinatus
Weed
Cenchrus echinatus
Weed
Scarlet pimpernel
Anagallis arvensis
Weed
Anagallis arvensis
Weed
Scorpions
Scorpiones
Insect
Scorpiones
Insect
Seashore paspalum
Paspalum vaginatum
Weed
Paspalum vaginatum
Weed
Sedge
Cyperus spp.
Weed
Cyperus spp.
Weed
Sedge, annual
Cyperus compressus
Weed
Cyperus compressus
Weed
Sedge, cylindrical
Cyperus retrorsus
Weed
Cyperus retrorsus
Weed
Sedge, globe
Carex perglobosa
Weed
Carex perglobosa
Weed
Sedge, surinam
Cyperus surinamensis
Weed
Cyperus surinamensis
Weed
Sedge, texas
Carex texensis
Weed
Carex texensis
Weed
Septoria leaf spot
Septoria
Fungus
Septoria
Fungus
Sesbania, hemp
Sesbania herbacea
Weed
Sesbania herbacea
Weed
Shattercane
Sorghum bicolor
Weed
Sorghum bicolor
Weed
Shepherd's purse
Capsella bursa-pastoris
Weed
Capsella bursa-pastoris
Weed
Sicklepod
Senna obtusifolia
Weed
Senna obtusifolia
Weed
Signalgrass
Brachiaria spp.
Weed
Brachiaria spp.
Weed
Signalgrass, broadleaf
Urochloa platyphylla
Weed
Urochloa platyphylla
Weed
Silver hairgrass
Aira caryophyllea
Weed
Aira caryophyllea
Weed
Silverfish
Lepisma saccharina
Insect
Lepisma saccharina
Insect
Smartgrass
Polygonum pensylvanicum
Weed
Polygonum pensylvanicum
Weed
Smartweed
Polygonum pensylvanicum
Weed
Polygonum pensylvanicum
Weed
Smartweed, pale
Persicaria lapathifolia
Weed
Persicaria lapathifolia
Weed
Smartweed, pennslyvania
Polygonum pensylvanicum
Weed
Polygonum pensylvanicum
Weed
Smutgrass
Sporobolus indicus
Weed
Sporobolus indicus
Weed
Sneezeweed
Hymenoxys odorata
Weed
Hymenoxys odorata
Weed
Sneezeweed, bitter
Hymenoxys odorata
Weed
Hymenoxys odorata
Weed
Sod webworms
Crambus
Insect
Crambus
Insect
Soda apple, tropical
Solanum viarum
Weed
Solanum viarum
Weed
Sorrel
Rumex acetosa
Weed
Rumex acetosa
Weed
Sorrel, heartwing
Rumex hastatulus
Weed
Rumex hastatulus
Weed
Sorrel, red
Rumex acetosella
Weed
Rumex acetosella
Weed
Sorrel, sheep
Rumex acetosella
Weed
Rumex acetosella
Weed
Southern blight
Sclerotium rolfsii
Fungus
Sclerotium rolfsii
Fungus
Sowbugs
Oniscidea
Insect
Oniscidea
Insect
Sowthistle
Sonchus oleraceus
Weed
Sonchus oleraceus
Weed
Sowthistle, annual
Sonchus oleraceus
Weed
Sonchus oleraceus
Weed
Sowthistle, common
Sonchus oleraceus
Weed
Sonchus oleraceus
Weed
Sowthistle, perennial
Sonchus arvensis
Weed
Sonchus arvensis
Weed
Sowthistle, prickly
Sonchus asper
Weed
Sonchus asper
Weed
Sowthistle, spiny
Sonchus asper
Weed
Sonchus asper
Weed
Spanish needles
Bidens alba
Weed
Bidens alba
Weed
Spatterdock
Weed
Weed
Speedwell
Veronica officinalis
Weed
Veronica officinalis
Weed
Speedwell, corn
Veronica arvensis
Weed
Veronica arvensis
Weed
Speedwell, field
Veronica persica
Weed
Veronica persica
Weed
Speedwell, persian
Veronica persica
Weed
Veronica persica
Weed
Speedwell, purslane
Veronica peregrina
Weed
Veronica peregrina
Weed
Speedwell, slender
Veronica filiformis
Weed
Veronica filiformis
Weed
Speedwell, thymeleaf
Veronica serpyllifolia
Weed
Veronica serpyllifolia
Weed
Spiders
Araneae
Insect
Araneae
Insect
Spiderwort
Weed
Weed
Spotted catsear
Weed
Weed
Sprangletop
Leptochloa
Weed
Leptochloa
Weed
Spring dead spot
Ophiosphaerella
Fungus
Ophiosphaerella
Fungus
Springtails
Collembola
Insect
Collembola
Insect
Spurge
Euphorbia
Weed
Euphorbia
Weed
Spurge, annual
Euphorbia maculata
Weed
Euphorbia maculata
Weed
Spurge, garden
Euphorbia hirta
Weed
Euphorbia hirta
Weed
Spurge, leafy
Euphorbia esula
Weed
Euphorbia esula
Weed
Spurge, prostrate
Euphorbia maculata
Weed
Euphorbia maculata
Weed
Spurge, spotted
Euphorbia maculata
Weed
Euphorbia maculata
Weed
Spurge, thyme-leaf
Euphorbia serpyllifolia
Weed
Euphorbia serpyllifolia
Weed
Spurweed
Soliva sessilis
Weed
Soliva sessilis
Weed
St. johnswort
Hypericum perforatum
Weed
Hypericum perforatum
Weed
St. johnswort, common
Hypericum perforatum
Weed
Hypericum perforatum
Weed
Star of bethlehem
Ornithogalum
Weed
Ornithogalum
Weed
Starthistle, malta
Centaurea melitensis
Weed
Centaurea melitensis
Weed
Starthistle, purple
Centaurea calcitrapa
Weed
Centaurea calcitrapa
Weed
Starthistle, yellow
Centaurea solstitialis
Weed
Centaurea solstitialis
Weed
Starwort, little
Weed
Weed
Stem rust
Puccinia graminis
Fungus
Puccinia graminis
Fungus
Stiltgrass, japanese
Microstegium vimineum
Weed
Microstegium vimineum
Weed
Stink bugs
Pentatomidae
Insect
Pentatomidae
Insect
Stinkgrass
Eragrostis cilianesis
Weed
Eragrostis cilianesis
Weed
Stinkweed
Thlaspi arvense
Weed
Thlaspi arvense
Weed
Stitchwort
Stellaria holostea
Weed
Stellaria holostea
Weed
Strawberry, indian mock
Duchesnea indica
Weed
Duchesnea indica
Weed
Strawberry, wild
Fragaria vesca
Weed
Fragaria vesca
Weed
Stripe rust
Puccinia spp.
Fungus
Puccinia spp.
Fungus
Stripe smut
Ustilago striiformis
Fungus
Ustilago striiformis
Fungus
Sumac
Weed
Weed
Summer patch
Magnaporthe poae
Fungus
Magnaporthe poae
Fungus
Sunflower
Helianthus
Weed
Helianthus
Weed
Sunflower, common
Helianthus
Weed
Helianthus
Weed
Sunflower, false
Heliopsis helianthoides
Weed
Heliopsis helianthoides
Weed
Sunflower, prairie
Helianthus petiolaris
Weed
Helianthus petiolaris
Weed
Sweet potato, wild
Ipomoea pandurata
Weed
Ipomoea pandurata
Weed
Swinecress
Coronopus
Weed
Coronopus
Weed
Switchgrass
Panicum virgatum
Weed
Panicum virgatum
Weed
T
Take-all patch
Gaeumannomyces graminis var. avenae
Fungus
Gaeumannomyces graminis var. avenae
Fungus
Tall fescue
Festuca arundinacea
Weed
Festuca arundinacea
Weed
Tanweed
Polygonum amphibium
Weed
Polygonum amphibium
Weed
Tarweed
Weed
Weed
Teasel
Dipsacus
Weed
Dipsacus
Weed
Teasel, common
Dipsacus
Weed
Dipsacus
Weed
Termites
Isoptera
Insect
Isoptera
Insect
Texasweed
Caperonia palustris
Weed
Caperonia palustris
Weed
Thistle
Cirsium spp.
Weed
Cirsium spp.
Weed
Thistle, artichoke
Cynara cardunculus
Weed
Cynara cardunculus
Weed
Thistle, blessed milk
Silybum marianum
Weed
Silybum marianum
Weed
Thistle, bull
Cirsium vulgare
Weed
Cirsium vulgare
Weed
Thistle, canada
Cirsium arvense
Weed
Cirsium arvense
Weed
Thistle, italian
Carduus pycnocephalus
Weed
Carduus pycnocephalus
Weed
Thistle, musk
Carduus nutans
Weed
Carduus nutans
Weed
Thistle, nodding
Carduus nutans
Weed
Carduus nutans
Weed
Thistle, plumeless
Carduus acanthoides
Weed
Carduus acanthoides
Weed
Thistle, russian
Salsola
Weed
Salsola
Weed
Thistle, scotch
Onopordum acanthium
Weed
Onopordum acanthium
Weed
Thistle, wavyleaf bull
Cirsium undulatum
Weed
Cirsium undulatum
Weed
Thistle, woolly distaff
Carthamus lanatus
Weed
Carthamus lanatus
Weed
Ticks
Ixodida
Insect
Ixodida
Insect
Tickseed
Weed
Weed
Toadflax
Linaria vulgaris
Weed
Linaria vulgaris
Weed
Toadflax, canada
Nuttallanthus canadensis
Weed
Nuttallanthus canadensis
Weed
Torpedograss
Panicum repens
Weed
Panicum repens
Weed
Trampweed, facelis
Facelis retusa
Weed
Facelis retusa
Weed
Tree of heaven
Ailanthus altissima
Weed
Ailanthus altissima
Weed
Trefoil, tick
Weed
Weed
Tumbleweed
Weed
Weed
Turnip, wild
Brassica rapa
Weed
Brassica rapa
Weed
Typhula blight
Typhula incarnata
Fungus
Typhula incarnata
Fungus
V
Velvetleaf
Abutilon theophrasti
Weed
Abutilon theophrasti
Weed
Venice mallow
Hibiscus trionum
Weed
Hibiscus trionum
Weed
Venus' looking-glass
Triodanis perfoliata
Weed
Triodanis perfoliata
Weed
Verbena
Verbena officinalis
Weed
Verbena officinalis
Weed
Veronica
Veronica officinalis
Weed
Veronica officinalis
Weed
Vervain
Vebena spp
Weed
Vebena spp
Weed
Vervain, blue
Verbena hastata
Weed
Verbena hastata
Weed
Vervain, hoary
Verbena stricta
Weed
Verbena stricta
Weed
Vervain, prostrate
Verbena bracteata
Weed
Verbena bracteata
Weed
Vervain, tall
Verbena bonariensis
Weed
Verbena bonariensis
Weed
Vetch
Vicia sativa
Weed
Vicia sativa
Weed
Vetch, bird
Vicia cracca
Weed
Vicia cracca
Weed
Vetch, common
Vicia sativa
Weed
Vicia sativa
Weed
Vetch, narrowleaf
Vicia sativa
Weed
Vicia sativa
Weed
Vetch, wild
Vicia sativa
Weed
Vicia sativa
Weed
Violet, field
Viola arvensis
Weed
Viola arvensis
Weed
Violet, johnny-jump-up
Viola rafinesquii
Weed
Viola rafinesquii
Weed
Violet, wild
Viola sororia
Weed
Viola sororia
Weed
W
Wasps
Vespidae
Insect
Vespidae
Insect
Waterhemp, common
Amaranthus rudis
Weed
Amaranthus rudis
Weed
Weedy red rice
Oryza sativa l.
Weed
Oryza sativa l.
Weed
Western clematis
Clematis ligusticifolia
Weed
Clematis ligusticifolia
Weed
Wild onion
Allium
Weed
Allium
Weed
Willow
Weed
Weed
Willowherb
Weed
Weed
Willowweed, panicle
Epilobium brachycarpum
Weed
Epilobium brachycarpum
Weed
Windmillgrass
Chloris
Weed
Chloris
Weed
Wintercress, bitter
Barbarea vulgaris
Weed
Barbarea vulgaris
Weed
Wiregrass
Weed
Weed
Wirestem muhly
Muhlenbergia frondosa
Weed
Muhlenbergia frondosa
Weed
Wisteria
Weed
Weed
Wisteria
Wisteria sinensis
Weed
Wisteria sinensis
Weed
Witchgrass
Panicum capillare
Weed
Panicum capillare
Weed
Witchweed
Weed
Weed
Woodsorrel
Oxalis
Weed
Oxalis
Weed
Woodsorrel, creeping
Oxalis corniculata
Weed
Oxalis corniculata
Weed
Woodsorrel, yellow
Oxalis stricta
Weed
Oxalis stricta
Weed
Wormseed
Dysphania ambrosioides
Weed
Dysphania ambrosioides
Weed
Wormwood, absinth
Artemisia absinthium
Weed
Artemisia absinthium
Weed
Wormwood, biennial
Artemisia biennis
Weed
Artemisia biennis
Weed
Wormwood, louisiana
Artemisia ludoviciana
Weed
Artemisia ludoviciana
Weed