Narrow Results by:

Subject Specific Filters:

Type:

  1. Category:             (show all)

  1. Order:                   (show all)

Image Specific Filters:

  1. Descriptor:           (show all)

Gender:

Image Setting:

  1. View:                     (show all)

Person in Image:

  1. Author:                  (show all)

Sizes Available:

Orientation:

Images taken in United States

Remove Filters: Miscellaneous(X)

874 Images of 299 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
1604535 tree ivy x Fatshedera lizei
5486099 Canadian lousewort Pedicularis canadensis
5485183 Bertero's tufted airplant Guzmania berteriana A bromeliad grows inside the El Yunque forest in Puerto Rico. 
5488038 pitcherplants Sarracenia spp.
5482968 roundleaf sundew Drosera rotundifolia The sundew plant has glands which secrete a tiny droplet of clear mucilaginous substance on the ends of tiny tentacles that the plant uses to trap insects. 
5487989 pitcherplants Sarracenia spp.
5482957 pricklypear/cholla Opuntia spp.
1573375 gourd Cucurbita spp. Bird houses made from cucurbit gourds. July 1997
1573374 gourd Cucurbita spp. Bird houses made from cucurbit gourds. July 1997
5488032 pricklypear/cholla Opuntia spp.
5489096 datura Datura metel Calyx of a flower
5489094 datura Datura metel
5489095 datura Datura metel
5489093 datura Datura metel For sale at a nursery
5333031 plant diagnostics
5486129 crown rust Puccinia coronata Infected foliage
5486128 crown rust Puccinia coronata Urediniospore on stalk
5486127 crown rust Puccinia coronata Urediniospores
5486126 crown rust Puccinia coronata Sectional view of urediniospores
5486125 crown rust Puccinia coronata Surface view of urediniospores
5486124 crown rust Puccinia coronata Sectional view of urediniospores
5486123 crown rust Puccinia coronata Uredinium in leaf
5486122 crown rust Puccinia coronata Sectional view of urediniospores
5486121 crown rust Puccinia coronata Vertical section of uredinium
5486120 crown rust Puccinia coronata Vertical section of uredinium
5484641 confederate jasmine Trachelospermum jasminoides
5433181 whitefly Aleurotulus spp. Aleurotulus n.sp.near anthuricola Nakahara Species is apparently undescribed. similar to A. anthuricola but rhachis very weak and A8 setae much longer Intercepted on Licuala grandis from Costa Rica by N. Ray of Customs and Border Protection at Dulles International Airport
5433183 whitefly Aleurotulus spp. Intercepted on Licuala grandis from Costa Rica by N. Ray of Customs and Border Protection at Atlanta International Airport.
5433184 whitefly Aleurotulus spp. Intercepted on Licuala grandis from Costa Rica by N. Ray of Customs and Border Protection at Atlanta International Airport.
5433185 whitefly Aleurotulus spp. Intercepted on Licuala grandis from Costa Rica by N. Ray of Customs and Border Protection at Atlanta International Airport.
5433186 whitefly Aleurotulus spp. Intercepted on Licula grandis from Costa Rica by N. Ray of Customs and Border Protection at Atlanta International Airport.
5433182 whitefly Aleurotulus spp. Intercepted on Licuala grandis from Costa Rica by N. Ray of Customs and Border Protection at Atlanta International Airport.
5479903 powdery mildew Oidium spp. Powdery mildew
5479904 powdery mildew Oidium spp. Powdery mildew
5479912 powdery mildew Oidium spp. Powdery Mildew
5479913 powdery mildew Oidium spp. Powdery Mildew
1549942 green June beetle Cotinis nitida
5461578 shield bug Dictyotus spp. Close up of evaporative area. Origin- New Zealand.
5461577 shield bug Dictyotus spp. Origin- New Zealand.
5478673 weevil Hadroplontus litura Origin- The Netherlands. ID by Jens Prena.  For A.S. & K.S.
5459371 tillandsia scale Epidiaspis tillandsiae Close up of pygidium.  Origin- Guatemala.  Slide mount by Bert Lindsey.  ID by John W. Dooley.  For J.L.P.
5459328 seed bug Dimorphopterus spp. Origin- South Africa.  ID by Thomas J. Henry.????
5461207 marsh slug Deroceras laeve Origin- Netherlands.
5459356 Ctenarytaina spatulata Ctenarytaina spatulata Origin- Colombia.
5459369 armored scale Diaspis gilloglyi Origin- Guatemala.  Slide mount by Bert Lindsey.
5459370 tillandsia scale Epidiaspis tillandsiae Origin- Guatemala.  Slide mount by Bert Lindsey.
5458962 whitefly Minutaleyrodes cherasensis Origin- Taiwan. Slide mount by Bert Lindsey.
5458963 whitefly Minutaleyrodes cherasensis Origin- Taiwan.  Live specimen host plant.
5458966 orchid scale Conchaspis angraeci Origin- Brazil.  Slide mount by Bert Lindsey.
5459327 aloe vera aphid Aloephagus myersi Origin- South Africa.  Bottom image, 2nd from right by Greg Bartman.  Slide mount by Bert Lindsey.
5460044 Wisteria Vein Mosaic Virus Potyvirus WVMV
1582024 trumpetcreeper Campsis radicans
1582025 trumpetcreeper Campsis radicans
5383333 leaf beetle Arescus spp. Intercepted from Costa Rica  on Heliconia sp.
5383334 leaf beetle Arescus spp. Intercepted from Costa Rica  on Heliconia sp.
5383332 leaf beetle Arescus spp. Intercepted from Costa Rica  on Heliconia sp.
5454754 lichen
5454587 Virginia-creeper Parthenocissus quinquefolia
5454749
5383313 silver Y moth Autographa gamma Intercepted from Israel on Anethum graveolens
5383317 leafminer fly Liriomyza spp. Intercepted from Colombia on Chrysanthemum sp.
5383318 leafminer fly Liriomyza spp. Intercepted from Colombia on Chrysanthemum sp.
1572345 cochineal scale Dactylopius confusus
5470246 Kunth's maiden fern Thelypteris kunthii Arboretum UGA Tifton Campus
5470245 Kunth's maiden fern Thelypteris kunthii Arboretum UGA Tifton Campus
5470244 Kunth's maiden fern Thelypteris kunthii Arboretum UGA Tifton Campus
5470243 Kunth's maiden fern Thelypteris kunthii Arboretum UGA Tifton Campus
5468879 cinnamon fern Osmunda cinnamomea Damage due to heavy mulching; Coastal Planis
5468880 cinnamon fern Osmunda cinnamomea Coastal Planis
5468878 cinnamon fern Osmunda cinnamomea Coastal Planis
5468877 cinnamon fern Osmunda cinnamomea Coastal Planis
1604536 tree ivy x Fatshedera lizei
1581004 agave Agave attenuata
1581005 American century plant Agave americana
1581006 American century plant Agave americana
1581007 American century plant Agave americana
1581009 Parry's agave Agave parryi
1581010 Parry's agave Agave parryi ssp. parryi
1581012 sisal Agave sisalana
1581013 royal agave Agave victoriae-reginae
1581014 agave Agave spp.
1581201 broomsedge bluestem Andropogon virginicus
5458063 plant diagnostics A technician with pipette.
1581694 blue fan palm Brahea armata
5409910 ISA EGS
1581321 giant reed Arundo donax Arundo donax 'Variegata'
1581322 giant reed Arundo donax Arundo donax 'Variegata'
1581319 giant reed Arundo donax Arundo donax 'Variegata'
5338073 plant diagnostics Processing nematode soil samples (Kienda)
5338074 plant diagnostics Elutriator for extracting nematodes from soil
5338075 plant diagnostics Extracting nematodes from soil: using sieves and sugar flotation (Kienda)
5338076 plant diagnostics Elutriation to extract nematodes from soil (Paul)
5338077 plant diagnostics Using the semi-automatic elutriator to extract nematodes from soil
5338070 plant diagnostics Compound light microscope with mounted camera
5338071 plant diagnostics Compound light microscope (Mary Ann)
5338068 plant diagnostics transfer hood
5338069 plant diagnostics Counting nematodes with stereoscope  
1582020 trumpetcreeper Campsis radicans
1582021 trumpetcreeper Campsis radicans
1581409 common bamboo Bambusa vulgaris
1581410 bamboo Bambusa spp.
5336027 root rot/damping off Rhizoctonia spp.
5439731 cold injury (low temperature) Nephrolepis exaltata bostoniensis
5439732 cold injury (low temperature) Nephrolepis exaltata bostoniensis
5439733 cold injury (low temperature) Nephrolepis exaltata bostoniensis
5439734 cold injury (low temperature) Nephrolepis exaltata bostoniensis
5439735 cold injury (low temperature) Nephrolepis exaltata bostoniensis
5439699 cold injury (low temperature) Nephrolepis exaltata bostoniensis
5439719 cold injury (low temperature) Note discolored necrotic fronds.  Often cold damage is seen first on the top row of a multi-tierd crop where cold damage is due to radiant heat loss.
5439720 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis?'
5439721 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439722 cold injury (low temperature) Nephrolepis exaltata 'Bostoniensis'
5439723 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439724 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439725 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439726 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439727 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439728 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439729 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439730 cold injury (low temperature) Nephrolepis exaltata 'bostoniensis'
5439706 cold injury (low temperature) Nephrolepis exaltata 'Bostoniensis'
5439704 cold injury (low temperature) Nephrolepis exaltata 'Bostoniensis'
5439705 cold injury (low temperature) Nephrolepis exaltata 'Bostoniensis'
5439987 confederate jasmine Trachelospermum jasminoides Variegated leaves
5439986 confederate jasmine Trachelospermum jasminoides Variegated leaves
5439984 confederate jasmine Trachelospermum jasminoides Variegated leaves
5439985 confederate jasmine Trachelospermum jasminoides Variegated leaves
5369359 common green bottle fly Lucilia sericata
5388270 drought drought imposed by overhand and no irrigation.
5409916 ISA EGS
5409914 ISA EGS
5409913 ISA EGS
5409912 ISA EGS
5409911 ISA EGS
5372079 green alga Cephaleuros virescens algal leaf spot
5372080 green alga Cephaleuros virescens algal leaf spot
5429838 Eriophyid mite The brownish blob (out of focus) is a gall that has been cut open to release the eriophyid mites.
5429904 Eriophyid mite Acari:  Eriophyidae eriophyid mites in a gall  
5429878 twospotted spider mite Tetranychus urticae Twospotted spider mites adults and eggs
5429891 twospotted spider mite Tetranychus urticae eggs and adult
5432443 needle palm Rhapidophyllum hystrix Southwestern Georgia forest habitat
5432602 Christmas fern Polystichum acrostichoides Southwestern Georgia forest habitat
5432604 Christmas fern Polystichum acrostichoides Southwestern Georgia forest habitat
5432444 needle palm Rhapidophyllum hystrix Southwestern Georgia forest habitat
5432328 trumpet honeysuckle Lonicera sempervirens
5432327 trumpet honeysuckle Lonicera sempervirens
5432326 trumpet honeysuckle Lonicera sempervirens
5432325 trumpet honeysuckle Lonicera sempervirens
5432323 trumpet honeysuckle Lonicera sempervirens
5432324 trumpet honeysuckle Lonicera sempervirens
5432321 trumpet honeysuckle Lonicera sempervirens
5432322 trumpet honeysuckle Lonicera sempervirens
5432320 trumpet honeysuckle Lonicera sempervirens
5432319 trumpet honeysuckle Lonicera sempervirens
5432318 trumpet honeysuckle Lonicera sempervirens
5432317 trumpet honeysuckle Lonicera sempervirens vine
5432316 trumpet honeysuckle Lonicera sempervirens
5432314 trumpet honeysuckle Lonicera sempervirens
5432315 trumpet honeysuckle Lonicera sempervirens
5432313 trumpet honeysuckle Lonicera sempervirens
5432312 trumpet honeysuckle Lonicera sempervirens
5432310 trumpet honeysuckle Lonicera sempervirens
5432308 trumpet honeysuckle Lonicera sempervirens
5432309 trumpet honeysuckle Lonicera sempervirens
5432306 trumpet honeysuckle Lonicera sempervirens
5432307 trumpet honeysuckle Lonicera sempervirens
5383337 weevil Bothinodontes spp. Intercepted from Colombia on Origanum spp.
5383338 weevil Bothinodontes spp. Intercepted from Colombia on Origanum spp.
5383339 weevil Bothinodontes spp. Intercepted from Colombia on Origanum spp.
5383340 weevil Bothinodontes spp. Intercepted from Colombia on Origanum spp.
5383341 weevil Bothinodontes spp. Intercepted from Colombia on Rosmarinus spp.
5167066 midge Forcipomyia spp. Intercepted by CBP-AG Inspector Y.He  at ATL Airport.
5429821 royal palm bug Xylastodoris luteolus Adult and nymphs
5429966 people Demonstration: consulting your local nursery.
5429965 people Demontration of landscaping choices. Ask your local nursery to help.
5429964 people Demonstration of making choices for landscaping needs.
5429288 beargrass Yucca filamentosa
5429287 beargrass Yucca filamentosa dehisced seed capsules
5429286 beargrass Yucca filamentosa dehisced seed capsules
5429284 beargrass Yucca filamentosa dehisced seed capsules
5429281 beargrass Yucca filamentosa filaments
5429275 beargrass Yucca filamentosa
5429277 beargrass Yucca filamentosa
5429280 beargrass Yucca filamentosa filaments
5429278 beargrass Yucca filamentosa
5429279 beargrass Yucca filamentosa
5411426 anthracnose Colletotrichum trichellum Dark fungal setae on leaf tissue
5411427 anthracnose Colletotrichum trichellum Fungal condia
5428697 agave Agave spp.
5428694 agave Agave spp.
5428695 agave Agave spp.
5428696 agave Agave spp.
5428693 agave Agave spp.
5428692 aloe Aloe spp.
5428691 aloe Aloe spp.
5428689 aloe Aloe spp.
5428690 aloe Aloe spp.
5428353 Indian woodoats Chasmanthium latifolium
5428350 Indian woodoats Chasmanthium latifolium
5428351 Indian woodoats Chasmanthium latifolium
5428348 Indian woodoats Chasmanthium latifolium
5427010 wild yam Dioscorea villosa vine
5384903 Tomato Spotted Wilt Virus Tospovirus TSWV
5181034 growing media Dendrobium Mix
5181035 growing media Dendrobium Mix
5181036 growing media High Red Mite-T-Lite(onequarter to five eighths)
5181037 growing media High Red Mite-T-Lite (onequarter to five eighths)
5181038 growing media Oncidium Alliance Mix
5181039 growing media Oncidium Alliance Mix
5181040 growing media tree fern orchid media
5181041 growing media tree fern orchid media
5181018 growing media 70% Fir bark & 30% Coir
5181019 growing media 70% Fir bark & 30% Coir
5181020 growing media Aliflor Small
5181021 growing media Aliflor Small
5181022 growing media Bromeliad Mix
5181023 growing media Bromeliad Mix
5181024 growing media Chilean Sphagnum Moss
5181025 growing media Chilean Sphagnum Moss
5181026 growing media Coconut Chips(half to threequarter)
5181027 growing media Coconut Chips(half to threequarter)
5181028 growing media Coconut chips(onequarter)
5181029 growing media Coconut chips (onequarter)
5181030 growing media Coconut husk
5181031 growing media Coconut husk
5181032 growing media Coconut husk
5181033 growing media Coconut husk
5427017 wild yam Dioscorea villosa vine growing up into tree
5427016 wild yam Dioscorea villosa vine
5427015 wild yam Dioscorea villosa vine; fruit; foliage
5427006 wild yam Dioscorea villosa open fruit showing seed inside capsule
5427008 wild yam Dioscorea villosa seeds
5427009 wild yam Dioscorea villosa vines
5427011 wild yam Dioscorea villosa
5427012 wild yam Dioscorea villosa vine
5427013 wild yam Dioscorea villosa fruit attachment
5427014 wild yam Dioscorea villosa Stem; leaf attachment
5369894 black fern winter tick Dermacentor nigrolineatus Female with recently laid egg mass
5369855 elm sphinx Ceratomia amyntor  Pupa excavated from soil chamber
5369919 clearwing borer Melittia gloriosa Larvae develop on the tubers of the host plant, perennial cucurbits (buffalo gourd in Colorado)
5369891 brown felt blight of pines Neopeckia coulteri A snow mold, sometimes known as ‘bear wipe’.  Photo taken September 4, 2007.  The identification of the fungus is speculated since spores were not recovered.  However, affected trees were immediately adjacent to similarly infected lodgepole pine.
5369817 elm sphinx Ceratomia amyntor Full-grown larva, close-up of head
5369874 flatheaded pine borer Phaenops gentilis A small series collected in Colorado showing range in coloration
5369809 tulip bulb aphid Dysaphis tulipae Heavy infestation on newly emerged iris.  The insects overwintered on the belowground bulbs.
5369792 sidewalk tiger beetle Cicindela punctulata Adults mating, brown and green phase
5369867 eastern yellowjacket Vespula maculifrons Late season adult (October 30, 2008).
5369864 elm sphinx Ceratomia amyntor Last instar larva just prior to pupation
5369902 brown felt blight of pines Neopeckia coulteri A snow mold, sometimes known as ‘bear wipe’.  Photo taken September 4, 2007. The identification of the fungus is speculated since spores were not recovered.  However, affected trees were immediately adjacent to similarly infected lodgepole pine
5369941 cabbage looper Trichoplusia ni Young pupa within cocoon
5369944 whitespotted sawyer Monochamus scutellatus Male and female that were mating on pile of recently cut lodgepole pine
5369917 black swallowtail Papilio polyxenes Late season chrysalis within 24 hours after pupation.
5369918 black swallowtail Papilio polyxenes Late season chrysalis five days after pupation.
5369916 black swallowtail Papilio polyxenes Prepupa
5369877 metalic wood-boring beetles Buprestis (Cypriacis) spp. A small series collected in Colorado showing range in coloration, patterning
5369868 eastern yellowjacket Vespula maculifrons Late season adult (October 30, 2008).
5369878 metalic wood-boring beetles Buprestis (Cypriacis) spp. Pinned specimen collected in Colorado
5369882 metalic wood-boring beetles Buprestis (Cypriacis) spp. Pinned specimen collected in Colorado
5369799 golden paper wasp Polistes aurifer Shot of face showing markings of male. Late season (October 13) adult. At the time mating activities were noted and adults were moving to winter shelter.
5366847 pricklypear/cholla Opuntia spp. A Senita cactus (Pachycereus schottii)
5366848 pricklypear/cholla Opuntia spp. A Senita cactus (Pachycereus schottii)
5411330 anthracnose Colletotrichum trichellum Dark setae of the fungus on leaf tissue
1549588 multiflora rose seed chalcid Megastigmus aculeatus nigroflavus emerging
1549589 multiflora rose seed chalcid Megastigmus aculeatus nigroflavus emerging
1549923 green June beetle Cotinis nitida
1549924 green June beetle Cotinis nitida
1549925 green June beetle Cotinis nitida
1549927 green June beetle Cotinis nitida
1549930 green June beetle Cotinis nitida
1549932 green June beetle Cotinis nitida
1549934 green June beetle Cotinis nitida
1549944 green June beetle Cotinis nitida
1549999 Japanese beetle Popillia japonica
1580090 Chinese trumpet-creeper Campsis grandiflora 'Morning Calm'
1580003 giant reed Arundo donax
1580009 bushy bluestem Andropogon glomeratus
1549985 Japanese beetle Popillia japonica
5407452 Virginia-creeper Parthenocissus quinquefolia foliage
5407451 Virginia-creeper Parthenocissus quinquefolia fruit
5407450 Virginia-creeper Parthenocissus quinquefolia
5405083 English ivy Hedera helix
5405082 English ivy Hedera helix
5405109 sweet autumn virginsbower Clematis terniflora
5405110 sweet autumn virginsbower Clematis terniflora
5405107 sweet autumn virginsbower Clematis terniflora
5405108 sweet autumn virginsbower Clematis terniflora
5405106 sweet autumn virginsbower Clematis terniflora
5405104 sweet autumn virginsbower Clematis terniflora
5405102 sweet autumn virginsbower Clematis terniflora
5372081 Trentepohlia fungus Trentepohlia spp.
5403906 climbing hydrangea Hydrangea anomala ssp. petiolaris foliage
5403907 climbing hydrangea Hydrangea anomala ssp. petiolaris
5403905 climbing hydrangea Hydrangea anomala ssp. petiolaris foliage
5403897 climbing hydrangea Hydrangea anomala ssp. petiolaris
5403898 climbing hydrangea Hydrangea anomala ssp. petiolaris foliage
5395430 art work
5395429 art work
5388335 art work
5394943 broomcorn millet Panicum miliaceum ssp. miliaceum
5194066 cycad aulacaspis scale Aulacaspis yasumatsui
5194067 cycad aulacaspis scale Aulacaspis yasumatsui
5194068 cycad aulacaspis scale Aulacaspis yasumatsui
5194069 cycad aulacaspis scale Aulacaspis yasumatsui
5194070 cycad aulacaspis scale Aulacaspis yasumatsui
5194072 cycad aulacaspis scale Aulacaspis yasumatsui
5194073 cycad aulacaspis scale Aulacaspis yasumatsui
5194074 cycad aulacaspis scale Aulacaspis yasumatsui
5194075 cycad aulacaspis scale Aulacaspis yasumatsui
5194076 cycad aulacaspis scale Aulacaspis yasumatsui
5194077 cycad aulacaspis scale Aulacaspis yasumatsui
5194078 cycad aulacaspis scale Aulacaspis yasumatsui
5289082 Brazilian peppertree Schinus terebinthifolius
2178100 Leptosphaeria leaf blight Leptosphaeria spp.
2179005 Leptosphaeria leaf blight Leptosphaeria spp.
5334007 diagnostic lab sample although it may look like a diseased plant or plant part, tennis balls are not a useful diagnostic sign or symptom.
5383335 threeband gardenslug Lehmannia valentiana Intercepted from France on Nemesia sp.
5383315 leafminer fly Liriomyza spp. Intercepted from Colombia on Chrysanthemum sp.
5383316 leafminer fly Liriomyza spp. Intercepted from Colombia on Chrysanthemum sp.
5383308 leafhoppers Agallia spp. Intercepted from Colombia on Ocimum
5383309 leafhoppers Agallia spp. Intercepted from Colombia on Ocimum
5383310 leafhoppers Agallia spp. Intercepted from Colombia on Ocimum
5372606 galls
5358510 cacti Cacti in bloom at the Phoenix Botanical Garden, Phoenix, Arizona.
5334005 diagnostic lab sample improper sample preparation and packaging
5382043 cedar bark beetles Phloeosinus spp. Twig die-back from maturation feeding by adult cedar bark beetle.  The opening to the feeding site is at the center of the picture.  
5382044 cedar bark beetles Phloeosinus spp. Twig die-back from maturation feeding by adult cedar bark beetle.  The area of the feeding site has been cut away and exposed.  
5372285 American dodder Cuscuta americana
5366428 fence An old wagon wheel against a cholla fence at the Phoenix Botanical Gardens in Arizona.
5383250 nuclear polyhedrosis virus Nucleopolyhedrovirus N/A Late instar larvae infected with nucleopolyhedrosis virus (NPV)
5383314 silver Y moth Autographa gamma Intercepted from Israel on Anethum graveolens
5383311 silver Y moth Autographa gamma Intercepted from Israel on Anethum graveolens
5383312 silver Y moth Autographa gamma Intercepted from Israel on Anethum graveolens
5383336 sweetpotato whitefly Bemisia tabaci Intercepted from Israel on Thymus vulgaris
5383299 leaf worm Copitarsia spp. Intercepted from Colombia on Origanum vulgare
5192037 spotted wintergreen Chimaphila maculata
5337052 growth regulator Growth Regulator Damage (uneven branch formation)
5334096 iron deficiency parking lot island with compacted soil and high pH leading to nutrient deficiency
5336019 chemicals suspected fluoride injury
5336021 chemicals suspected fluoride injury
5336022 chemicals suspected fluoride injury
5336023 chemicals suspected fluoride injury
5336029 Pythium diseases Pythium spp.
5336031 Fusarium wilts, blights, rots and damping-off Fusarium spp.
5336081 Rhizoctonia damping-off, blight and rot Rhizoctonia solani
5336085 Pythium diseases Pythium spp.
5336098 black root rot Thielaviopsis basicola
5337007 Sclerotinia rot Sclerotinia sclerotiorum
5338080 redhot poker Kniphofia uvaria healthy plants growing in Virginia Tech Horticultural Gardens, 1992
5336061 powdery mildew Oidium spp.
5336075 foliar nematodes Aphelenchoides spp.
5337002 Rhizoctonia damping-off, blight and rot Rhizoctonia solani
5337003 scab of poinsettia Sphaceloma poinsettiae
5337005 scab of poinsettia Sphaceloma poinsettiae
5337014 leaf distortion Physiological Leaf Distortion
5337015 leaf distortion Physiological Leaf Distortion
5337016 downy mildew Peronospora antirrhini
5337056 gray mold Botrytis cinerea
5337057 Sclerotinia rot Sclerotinia sclerotiorum
5337058 Sclerotinia rot Sclerotinia sclerotiorum
5338085 hibiscus Hibiscus spp. healthy plant in greenhouse
1525213 dahlia smut Entyloma dahliae
5382332 spruce bud scale Physokermes piceae
5383996 leaffooted bug Leptoglossus phyllopus
5383249 nuclear polyhedrosis virus Nucleopolyhedrovirus N/A Typical position of gypsy moth larvae infected with nucleopolyhedrosis virus (NPV)
5383232 periodical cicada Magicicada septendecim Newly emerged adult, wings fully expanded. Still light in color
5383234 periodical cicada Magicicada septendecim Side view of newly emerged adult on nymphal shell.
5383235 periodical cicada Magicicada septendecim Oak trees in pasture with flagging damage
5383236 periodical cicada Magicicada septendecim Oak tree in yard with flagging damage
5383237 periodical cicada Magicicada septendecim Closeup of eggs in twig.
5383238 periodical cicada Magicicada septendecim Closeup of eggs in twig.
5383239 periodical cicada Magicicada septendecim Cicada eggs on penny to show size.
5383240 periodical cicada Magicicada septendecim Nymph just prior to emergence of adult.
5383241 periodical cicada Magicicada septendecim Closeup of oviposition site on twig.
5383230 periodical cicada Magicicada septendecim Adult emerging from nymphal shell
5383231 periodical cicada Magicicada septendecim Newly emerged adult, beginning to inflate wings. Still light in color
5383251 Tachinid flies Late instar gypsy moth larvae with 4 tacinid eggs on back
5383242 periodical cicada Magicicada septendecim
5383243 periodical cicada Magicicada septendecim Close up of oviposition site on twig
5383244 gypsy moth Lymantria dispar Late instar larvae on white oak
5383245 gypsy moth Lymantria dispar Head shot of late instar gypsy moth feeding on white oak
5383246 Ichneumonid wasps Close-up of Ichneumon wasp laying egg in gypsy moth pupae.
5383247 gypsy moth Lymantria dispar Group of late first instar larvae on oak.
5383248 nuclear polyhedrosis virus Nucleopolyhedrovirus N/A Typical position of gypsy moth larvae infected with nucleopolyhedrosis virus (NPV)
5383995 leaffooted bug Leptoglossus phyllopus This population had about 17 nymphs and adults.
5383997 leaffooted bug Leptoglossus phyllopus
5383998 leaffooted bug Leptoglossus phyllopus host searching and orientation behavior
5383999 leaffooted bug Leptoglossus phyllopus
5169016 amber snail Succinea costaricana On Chamaedorea sp. from Colombia
5169015 amber snail Succinea costaricana On Chamaedorea sp. from Colombia
5164072 foxglove aphid Aulacorthum solani The cornicle or siphunculi.
5368533 root rot/damping off Rhizoctonia spp. The plant has had too much water and the roots are rotting due to the fungus, Rhizoctonia.
5368534 root rot/damping off Rhizoctonia spp. The plant has had too much water and the roots are rotting due to the fungus, Rhizoctonia.
5368535 root rot/damping off Rhizoctonia spp. The plant has had too much water and the roots are rotting due to the fungus, Rhizoctonia.
5368536 root rot/damping off Rhizoctonia spp. Leaflets show what appears to be Potassium deficiency symptoms (light brown areas near the margin of the leaf or just inside the margin). The problem is not a potassium deficiency in the medium but a lack of enough healthy roots to take up required nutrients.
5334030 mulching
5334031 mulching
5334032 mulching
5382591 glassy-winged sharpshooter Homalodisca vitripennis
5382582 predatory stink bug Euthyrhynchus floridanus
5382550 twolined spittlebug Prosapia bicincta
5382546 tussock moths Dasychira spp.
5382547 whitemarked tussock moth Orgyia leucostigma
5382545 fourlined plant bug Poecilocapsus lineatus
5382544 forest tent caterpillar Malacosoma disstria
5382543 flower fly Milesia virginensis
5382539 Palmedes swallowtail Papilio palamedes
5382524 carpenter bee Xylocopa virginica
5382523 carpenter bee Xylocopa virginica
5382521 large milkweed bug Oncopeltus fasciatus
5382515 leaf-footed bug Euthochtha galeator
5369808 lupine aphid Macrosiphum albifrons mixed apterous forms
5371792 Cylindrocladium fungus Cylindrocladium clavatum
5373119 Phyllosticta leaf spots Phyllosticta spp.
5373120 Phyllosticta leaf spots Phyllosticta spp.
5373118 Phyllosticta leaf spots Phyllosticta spp.
5373017 Nectria canker Nectria spp.
5276063 narrow swordfern Nephrolepis cordifolia Exotic, invasive fern for sale
5191069 mulching Mulch can be used to control weeds in a variety of areas to limit the amount of trimming required. 
5366419 Engelmann's hedgehog cactus Echinocereus engelmannii Engelmann's hedgehog cactus at the Phoenix Botanical Gardens in Arizona.
5366418 Engelmann's hedgehog cactus Echinocereus engelmannii Engelmann's hedgehog cactus plants at the Phoenix Botanical Gardens in Arizona.
5366417 mother-of-hundreds Mammillaria compressa A mother-of-hundreds cactus at the Phoenix Botanical Gardens in Arizona.
5366416 mother-of-hundreds Mammillaria compressa A mother-of-hundreds cactus at the Phoenix Botanical Gardens in Arizona.
5366412 firecracker cactus Cleistocactus baumannii Firecracker cactus plants at the Phoenix Botanical Gardens in Arizona.
5366411 firecracker cactus Cleistocactus baumannii Firecracker cactus plants at the Phoenix Botanical Gardens in Arizona.
5366410 cactus Cleistocactus sextonianus Cleistocactus plants at the Phoenix Botanical Gardens in Arizona.
5366409 cactus Cleistocactus sextonianus Cleistocactus plants at the Phoenix Botanical Gardens in Arizona.
5366403 whitecolumn foxtail cactus Escobaria tuberculosa Whitecolumn foxtail cacti at the Phoenix Botanical Gardens in Arizona.
5366401 cactus Gymnocalycium bayrianum A flowering Gymnocactus at the Phoenix Botanical Gardens in Arizona.
5366878 desert willow Chilopsis linearis A desert willow at the Phoenix Botanical Gardens in Arizona.
5366870 tabardillo Calliandra californica   Tabardillo plants at the Phoenix Botanical Gardens in Arizona.
1499095 ladies'-tresses Spiranthes spp.
5358498 yucca Yucca spp. A yucca plant (Yucca spp.) at the Phoenix Botanical Garden in Arizona.
5358497 yucca Yucca spp. A yucca plant (Yucca spp.) at the Phoenix Botanical Garden in Arizona.
5372754 lightning
5357474 frost and winter injury (general) Winter injury on the ornamental Canadian Yew.
5360773 sage Salvia officinalis Garden sage seeds during a seed quality inspection exercise.
5358509 old-man of the Andes Oreocereus celsianus An Old-man of the Andes cactus Oreocereus celsianus at the Phoenix Botanical Garden in Arizona.
5358508 old-man of the Andes Oreocereus celsianus An Old-man of the Andes cactus Oreocereus celsianus at the Phoenix Botanical Garden in Arizona.
5358506 old-man cactus Cephalocereus senilis Old-man cactus Cephalocereus senilis at the Phoenix Botanical Garden in Arizona.
5358507 old-man cactus Cephalocereus senilis Old-man cactus Cephalocereus senilis at the Phoenix Botanical Garden in Arizona.
5358503 senita cactus Pachycereus schottii Totem Pole cactus, also known as senita cactus, at the Phoenix Botanical Garden in Arizona.
5358502 senita cactus Pachycereus schottii Totem Pole cactus, also known as senita cactus, at the Phoenix Botanical Garden in Arizona.
5367091 bird-of-paradise Strelitzia reginae The flowers of a bird-of-paradise plant.
5371695 Cercospora fungus Cercospora salicina
5372793 chemicals
5372792 chemicals
5372791 chemicals
5371694 Cercospora fungus Cercospora salicina
5372787 chemicals
5371693 Cercospora fungus Cercospora salicina
5371692 Cercospora fungus Cercospora salicina
5372763 chemicals
5372762 chemicals
5371691 Cercospora fungus Cercospora salicina
5371690 Cercospora fungus Cercospora salicina
5371689 Cercospora fungus Cercospora salicina
5371688 Cercospora fungus Cercospora salicina
5371687 Cercospora fungi Cercospora spp.
5371685 Cercospora fungus Cercospora rhoina
5371683 Cercospora fungus Cercospora rhizophorae
5371682 Cercospora fungus Cercospora rhizophorae
5372718 herbicides (general)
5372716 herbicides (general)
5372708 chemicals
5372709 chemicals
5372707 chemicals
5372680 Rostratum leaf spot Exserohilum rostratum
5371678 Cercospora fungus Cercospora querci
5372675 Rostratum leaf spot Exserohilum rostratum
5372667 Helminthosporium leaf spot Helminthosporium spp.
5372666 Helminthosporium leaf spot Helminthosporium spp.
5372659 Gynosporanium rusts Gymnosporangium spp.
5371673 Pseudocercospora fungus Pseudocercospora pancratii
5372624 Gibberella fungus Gibberella tricincta
5371671 Pseudocercospora fungus Pseudocercospora pancratii
5371670 Pseudocercospora fungus Pseudocercospora pancratii
5371669 Pseudocercospora fungus Pseudocercospora pancratii
5371668 Pseudocercospora fungus Pseudocercospora pancratii
5372594 Fusarium root rot and wilt Fusarium oxysporum
5372573 mimosa wilt Fusarium oxysporum f.sp. perniciosum
5372570 mimosa wilt Fusarium oxysporum f.sp. perniciosum
5372571 mimosa wilt Fusarium oxysporum f.sp. perniciosum
5372572 mimosa wilt Fusarium oxysporum f.sp. perniciosum
5372569 mimosa wilt Fusarium oxysporum f.sp. perniciosum
5371659 Cercospora fungus Cercospora nerii-indici
5371658 Cercospora fungus Cercospora nerii-indici
5222016 Bakanae Disease of Rice / cotton boll rot Gibberella fujikuroi
5372567 Gibberella canker Gibberella baccata
5371657 Cercospora fungus Cercospora neriella
5372566 Gibberella canker Gibberella baccata
5372565 Gibberella canker Gibberella baccata
5372564 Gibberella canker Gibberella baccata
5372563 Gibberella canker Gibberella baccata
5371656 Cercospora fungus Cercospora neriella
5371646 Cercospora fungus Cercospora mali
5371647 Cercospora fungus Cercospora mali
5372514 bacterial black stalk Erwinia spp. 17 days after inoculation
5372513 Entomosporium leaf spot Diplocarpon mespili
5372499 Entomosporium leaf spot Diplocarpon mespili
5372496 Entomosporium leaf spot Diplocarpon mespili
5372497 Entomosporium leaf spot Diplocarpon mespili
5372498 Entomosporium leaf spot Diplocarpon mespili
5371641 Entomosporium leaf spot Diplocarpon mespili
5371635 Cercospora fungus Cercospora liriopes
5371634 Cercospora fungus Cercospora liriopes
5372295 Cercospora fungus Cercospora liriopes
5372294 Cercospora fungus Cercospora liriopes
5372259 southern cone rust Cronartium strobilinum
5372253 zonate leaf spot Grovesinia pyramidalis
5372254 zonate leaf spot Grovesinia pyramidalis
5372252 zonate leaf spot Grovesinia pyramidalis
5371629 Cercospora fungus Cercospora ixorae
5372246 zonate leaf spot Grovesinia pyramidalis
5372244 zonate leaf spot Grovesinia pyramidalis
5372245 zonate leaf spot Grovesinia pyramidalis
5372243 zonate leaf spot Grovesinia pyramidalis
5371628 Cercospora fungus Cercospora ixorae
5371625 Cercospora fungus Cercospora ixorae
5372234 Corynespora blight Corynespora cassiicola
5372233 Corynespora blight Corynespora cassiicola
5372232 Corynespora blight Corynespora cassiicola
5372186 stem canker Leptosphaeria coniothyrium
5372187 stem canker Leptosphaeria coniothyrium
5371618 Armillaria root rot Armillaria tabescens
5372185 stem canker Leptosphaeria coniothyrium
5372184 stem canker Leptosphaeria coniothyrium
5372174 anthracnose Colletotrichum spp.
5372172 anthracnose Colletotrichum spp.
5372173 anthracnose Colletotrichum spp.
5372170 anthracnose Colletotrichum spp.
5372171 anthracnose Colletotrichum spp.
5372168 anthracnose Colletotrichum spp.
5372169 anthracnose Colletotrichum spp.
5372164 anthracnose Colletotrichum spp.
5372161 anthracnose Colletotrichum spp.
5372162 anthracnose Colletotrichum spp.
5372160 anthracnose Colletotrichum spp.
5372159 anthracnose Colletotrichum spp.
5372158 anthracnose Colletotrichum spp.
5372157 anthracnose Colletotrichum spp.
5372156 anthracnose Colletotrichum spp.
5372155 anthracnose Colletotrichum spp.
5372154 anthracnose Colletotrichum spp.
5372153 anthracnose Colletotrichum spp.
5371604 Cercospora leaf spot Cercospora fici
5372151 anthracnose Colletotrichum spp.
5372152 anthracnose Colletotrichum spp.
5371603 Cercospora leaf spot Cercospora fici
5371602 Armillaria root rot Armillaria tabescens
5371601 Cercospora leaf spot Cercospora fici
5371600 Cercospora fungus Cercospora eucalypti
5372134 Cercosporella leaf spot Cercosporella mori
5372111 Cercospora fungi Cercospora spp.
5372109 Cercospora fungi Cercospora spp.
5372110 Cercospora fungi Cercospora spp.
5371598 Cercospora fungi Cercospora spp.
5372108 Cercospora fungi Cercospora spp.
5372107 Cercospora fungi Cercospora spp.
5372106 Cercospora fungi Cercospora spp.
5371597 Cercospora fungus Cercospora chenopodii
5372102 Cercospora fungi Cercospora spp.
5372101 Cercospora fungi Cercospora spp.
5372100 Cercospora fungi Cercospora spp.
5371595 Cercospora fungus Cercospora chenopodii
5372099 Cercospora fungi Cercospora spp.
5372095 Cercospora fungus Cercospora chenopodii
5372093 Cercospora fungi Cercospora spp.
5371594 Cercospora fungus Cercospora chenopodii
5372077 green alga Cephaleuros virescens
5372040 Alternaria black molds / stem cankers Alternaria spp.
5372038 Alternaria black molds / stem cankers Alternaria spp.
5372039 Alternaria black molds / stem cankers Alternaria spp.
5372037 Alternaria black molds / stem cankers Alternaria spp.
5371586 Cercospora fungus Cercospora chrysanthemi
5372036 Alternaria black molds / stem cankers Alternaria spp.
5372035 Alternaria black molds / stem cankers Alternaria spp.
5372034 Alternaria black molds / stem cankers Alternaria spp.
5372032 Ascochyta fungi Ascochyta spp.
5372030 Ascochyta fungi Ascochyta spp.
5372031 Ascochyta fungi Ascochyta spp.
5371585 Cercospora fungus Cercospora cercidicola
5371583 cacti
5371584 cacti
5367365 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367364 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367362 agave Agave spp. Agave plants in bloom in the field.
5367353 pricklypear/cholla Opuntia spp. Several types of cactus species in the field.
5367359 pricklypear/cholla Opuntia spp. A cactus plant in the field.
5366408 pricklypear/cholla Opuntia spp. A cactus plant in the field.
5366407 pricklypear/cholla Opuntia spp. A cactus plant in the field.
5277059 bamboo Bambusa spp.
5277043 portia tree Thespesia populnea
5276097 sheoak Casuarina spp.
5276065 burmareed Neyraudia reynaudiana
5367361 pricklypear/cholla Opuntia spp. Different types of cactus species in the field.
5367360 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367358 pricklypear/cholla Opuntia spp. A flowering cactus plant in the field.
5367357 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367355 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367356 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367354 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367352 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367351 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367350 pricklypear/cholla Opuntia spp. Cactus plants in the field.
5367349 pricklypear/cholla Opuntia spp. A cactus plant in the field.
5366433 agave Agave spp. Lechuguilla (Agave lechuguilla) plants at the Phoenix Botanical Gardens in Arizona.
5366434 agave Agave spp. Lechuguilla (Agave lechuguilla) plants at the Phoenix Botanical Gardens in Arizona.
5366427 fence An old wagon wheel against a cholla fence at the Phoenix Botanical Gardens in Arizona.
5366425 pricklypear/cholla Opuntia spp. Pencil Cholla Cactus  (Opuntia ramosissima Engelm.) at the Phoenix Botanical Gardens in Arizona.
5366426 pricklypear/cholla Opuntia spp. Pencil Cholla Cactus  (Opuntia ramosissima Engelm.) at the Phoenix Botanical Gardens in Arizona.
5366424 pricklypear/cholla Opuntia spp. Pencil Cholla Cactus  (Opuntia ramosissima Engelm.) at the Phoenix Botanical Gardens in Arizona.
5366420 barrel cactus Ferocactus spp. Fishhook Barrel Cactus  (Ferocactus wislizeni) at the Phoenix Botanical Gardens in Arizona. Please note that the Ferocactus genera may sometimes be referred to as Echinocactus.
5366415 hamatocactus Hamatocactus spp. Thelocactus  cactus (Thelocactus leucacanthus) plants at the Phoenix Botanical Gardens in Arizonia. Please note that the genera Thelocactus is synonymous to Hamatocactus.
5366414 barrel cactus Ferocactus spp. A Golden Barrel Cactus  (Echinocactus grusonii) at the Phoenix Botanical Gardens in Arizona. Please note that the Echinocactus genera may sometimes be referred to as Ferocactus.
5366413 barrel cactus Ferocactus spp. Golden Barrel Cacti  (Echinocactus grusonii) at the Phoenix Botanical Gardens in Arizona. Please note that the Echinocactus genera may sometimes be referred to as Ferocactus.
5366406 melocactus Melocactus spp. Melocactus (Melocactus spp.) plants at the Phoenix Botanical Gardens in Arizonia.
5366405 pricklypear/cholla Opuntia spp. Some cactus plants at the Phoenix Botanical Gardens in Arizonia.
5366404 pricklypear/cholla Opuntia spp. Some cactus plants at the Phoenix Botanical Gardens in Arizonia.
5366402 hamatocactus Hamatocactus spp. Thelocactus  cactus (Thelocactus tulensis) plants at the Phoenix Botanical Gardens in Arizonia. Please note that the genera Thelocactus is synonymous to Hamatocactus.
5366400 aloe Aloe spp. Aloe (Aloe castanea) plants at the Phoenix Botanical Gardens in Arizonia.
5366399 aloe Aloe spp. Aloe (Aloe dorotheae) at the Phoenix Botanical Gardens in Arizonia.
5366395 pricklypear/cholla Opuntia spp. Cactus plants in bloom at the Phoenix Botanical Gardens in Arizonia.
5366394 blanketflower Gaillardia spp. Blanket flower (Gaillardia pulchella) at the Phoenix Botanical Gardens in Arizonia.
5366391 kingcup cactus Echinocereus triglochidiatus Englemen's Hedgehog Cactus at the Phoenix Botanical Gardens in Arizonia.
5366387 paloverde Parkinsonia spp. Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum.
5366388 paloverde Parkinsonia spp. Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum.
5366389 paloverde Parkinsonia spp. Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum.
5366390 paloverde Parkinsonia spp. Little leaf Palo Verde at the Phoenix Botanical Gardens in Arizonia. Please note that this genus is synonymous to Cercidium. This image is of Cercidium microphyllum.
5366386 pricklypear/cholla Opuntia spp. Chain fruit cholla (Cylindropuntia fulgida), also known as hanging chain cholla or jumping cholla, at the Phoenix Botanical Gardens in Arizonia.
5366385 saguaro Carnegiea gigantea Saguaros at the Phoenix Botanical Gardens in Arizonia.
5366384 organ pipe cactus Stenocereus thurberi Organ Pipe Cactus plants at the Phoenix Botanical Gardens in Arizonia.
5366383 pricklypear/cholla Opuntia spp. Cactus plants at the Phoenix Botanical Gardens in Arizonia.
5366836 pricklypear/cholla Opuntia spp. The long spike of a cactus plant at the Phoenix Botanical Gardens in Arizonia.
5366837 cactus Stenocereus spp. An octopus cactus at the Phoenix Botanical Gardens in Arizona.
5366382 pricklypear/cholla Opuntia spp. Boxing glove cactus (Opuntia fulgida var. mammillata) at the Phoenix Botanical Gardens in Arizona.
5366381 pricklypear/cholla Opuntia spp. Boxing glove cactus (Opuntia fulgida var. mammillata) at the Phoenix Botanical Gardens in Arizona.
5366876 sage Salvia spp. Texas red sage at the Phoenix Botanical Gardens in Arizona.
5366875 agave Agave spp. An agave (Agave datylio var vexans) plant at the Phoenix Botanical Gardens in Arizona.
5366874 lady's slippers Cypripedium spp. Lady's slipper plants at the Phoenix Botanical Gardens in Arizona.
5366873 lady's slippers Cypripedium spp. Lady's slipper plants at the Phoenix Botanical Gardens in Arizona.
5366872 lady's slippers Cypripedium spp. Lady's slipper plants at the Phoenix Botanical Gardens in Arizona.
5366869 ocotillo Fouquieria splendens Ocotillos at the Phoenix Botanical Gardens in Arizona.
5366868 agave Agave spp. The long flower spike of a mescal agave (Agave parryi) plant at the Phoenix Botanical Gardens in Arizona. This is also sometimes called Palmer's agave (A. palmeri).
5366867 agave Agave spp. A Mescal agave (Agave parryi) plant at the Phoenix Botanical Gardens in Arizona. This is also sometimes called Palmer's agave (A. palmeri).
5366866 agave Agave spp. A Murphy's agave (Agave murpheyi) plant at the Phoenix Botanical Gardens in Arizona.
5366865 agave Agave spp. An agave plant at the Phoenix Botanical Gardens in Arizona.
5366864 agave Agave spp. An agave plant at the Phoenix Botanical Gardens in Arizona.
5366863 agave Agave spp. Agave plants at the Phoenix Botanical Gardens in Arizona.
5366862 pricklypear/cholla Opuntia spp. Cactus plants at the Phoenix Botanical Gardens in Arizona.
5366861 pricklypear/cholla Opuntia spp. Cactus plants at the Phoenix Botanical Gardens in Arizona.
5366860 pricklypear/cholla Opuntia spp. A flower of a  cactus plant at the Phoenix Botanical Gardens in Arizona.
5366859 pricklypear/cholla Opuntia spp. A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona.
5366858 pricklypear/cholla Opuntia spp. Cactus plants in bloom at the Phoenix Botanical Gardens in Arizona.
5366857 pricklypear/cholla Opuntia spp. Cactus plants in bloom at the Phoenix Botanical Gardens in Arizona.
5366856 pricklypear/cholla Opuntia spp. Cactus plants in bloom at the Phoenix Botanical Gardens in Arizona.
5366854 pricklypear/cholla Opuntia spp. A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona.
5366855 pricklypear/cholla Opuntia spp. A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona.
5366853 pricklypear/cholla Opuntia spp. A cactus plant in bloom at the Phoenix Botanical Gardens in Arizona.
5366851 barrel cactus Ferocactus spp. Golden Barrel Cacti at the Phoenix Botanical Gardens in Arizona. Please note that these may sometimes be referred to as Echinocactus grusonii.
5366850 barrel cactus Ferocactus spp. A Golden Barrel Cactus at the Phoenix Botanical Gardens in Arizona. Please note that these may sometimes be referred to as Echinocactus grusonii.
5366849 barrel cactus Ferocactus spp. A Golden Barrel Cactus at the Phoenix Botanical Gardens in Arizona. Please note that these may sometimes be referred to as Echinocactus grusonii.
5366846 pricklypear cactus Opuntia macrorhiza A Beavertail prickly pear cactus (Opuntia basilaris) at the Phoenix Botanical Gardens in Arizona.
5366845 pricklypear cactus Opuntia macrorhiza A Beavertail prickly pear cactus (Opuntia basilaris) at the Phoenix Botanical Gardens in Arizona.
5366839 pricklypear/cholla Opuntia spp. A teddy bear cholla cactus (Cylindropuntia bigelovii) at the Phoenix Botanical Gardens in Arizona. Please note that its synonym is Opuntia bigelovii.
5366840 pricklypear/cholla Opuntia spp. A teddy bear cholla cactus (Cylindropuntia bigelovii) at the Phoenix Botanical Gardens in Arizona. Please note that its synonym is Opuntia bigelovii.
5366843 pricklypear cactus Opuntia macrorhiza An Englemen's prickly pear cactus at the Phoenix Botanical Gardens in Arizona.
5366844 pricklypear cactus Opuntia macrorhiza An Englemen's prickly pear cactus at the Phoenix Botanical Gardens in Arizona.
5366842 barrel cactus Ferocactus spp. A compass barrel cactus at the Phoenix Botanical Gardens in Arizona.
5366841 barrel cactus Ferocactus spp. A compass barrel cactus at the Phoenix Botanical Gardens in Arizona.
5366838 cactus Stenocereus spp. An octopus cactus at the Phoenix Botanical Gardens in Arizona.
5371026 skunkcabbage Symplocarpus foetidus
5371025 skunkcabbage Symplocarpus foetidus
5361656 zinnia Zinnia spp. Zinnia plants on a zinnia seed production field at Rocky Ford in Colorado.
5361654 zinnia Zinnia spp. A zinnia seed production field at Rocky Ford in Colorado.
5361655 zinnia Zinnia spp. A zinnia seed production field at Rocky Ford in Colorado.
5361653 zinnia Zinnia spp. A zinnia seed production field at Rocky Ford in Colorado.
5361652 zinnia Zinnia spp. A zinnia seed production field at Rocky Ford in Colorado.
5361651 zinnia Zinnia spp. A zinnia seed production field at Rocky Ford in Colorado.
5369785 stilt bug Jalysus wickhami Adult
1540021 oak stem borer Aneflomorpha subpubescens oak-stem borer dug
1540015 banded ash borer Neoclytus caprea
1540004 mourning cloak butterfly Nymphalis antiopa
5369400 treehoppers
5369397 tussock moths Orgyia spp.
5369396 gypsy moth Lymantria dispar
5369395 gypsy moth Lymantria dispar
5369394 gypsy moth Lymantria dispar
5369393 plant bug Lygus spp.
5369391 Ichneumonid wasps
5369390 Ichneumonid wasps
5369384 brown marmorated stink bug Halyomorpha halys
5369382 brown marmorated stink bug Halyomorpha halys
5369380 brown marmorated stink bug Halyomorpha halys
5369381 brown marmorated stink bug Halyomorpha halys
5369365 hairy rove beetle Creophilus maxillosus
5369345 Texas leafcutting ant Atta texana
5369346 Texas leafcutting ant Atta texana
5369344 Texas leafcutting ant Atta texana
5369343 Texas leafcutting ant Atta texana
5369342 wheel bug Arilus cristatus
5369341 wheel bug Arilus cristatus
5369826 Texas palmetto Sabal mexicana Trees growing in a plantation along the coast of Oaxaca, Mexico. Locally the primary use of the tree is foliage that is harvested for thatched roofing.
5369827 Texas palmetto Sabal mexicana Trees growing in a plantation along the coast of Oaxaca, Mexico. Locally the primary use of the tree is foliage that is harvested for thatched roofing and the base of the leaves remain attached to the trunk.
5369825 Texas palmetto Sabal mexicana Trees growing in a plantation along the coast of Oaxaca, Mexico. Locally the primary use of the tree is foliage that is harvested for thatched roofing.
5369901 Virginia wood cockroach Parcoblatta virginica Caught at light trap at fort Sill, Oklahoma. July, 15 2007.
5369879 flatheaded cone borer Chrysophana placida A small series collected in Colorado showing range in coloration, patterning
5369881 green metalic wood borer Buprestis confluenta Pinned specimen collected in Colorado
5369876 flatheaded pine borer Phaenops gentilis Typical green form adult
5369875 flatheaded pine borer Phaenops gentilis Typical green form adult
5369844 elm sphinx Ceratomia amyntor Pupa excavated from soil chamber
5369842 cochineal insect Dactylopius coccus A small cultivated patch of napl cactus used for production of cochinilla (cochineal) in the town of San Bartolo Coyotepec, Oaxaca, Mexico
5369841 cochineal insect Dactylopius coccus A small cultivated patch of napl cactus used for production of cochinilla (cochineal) in the town of San Bartolo Coyotepec, Oaxaca, Mexico
5369813 aphid Acyrthosiphon lactucae Colony destroyed by syrphid larva
5369812 aphid Acyrthosiphon lactucae Heavy infestation of mixed stages on flower stalk
5369811 aphid Acyrthosiphon lactucae heavy infestation of mixed stages on flower stalk
5369807 lupine aphid Macrosiphum albifrons Mixed apterous forms
5369806 lupine aphid Macrosiphum albifrons
5369798 large grassland tiger beetle Cicindela obsoleta Adult
5369797 beautiful tiger beetle Cicindela pulchra Adult
5369789 tarantula hawk Pepsis angustimarginata Adult female
5369790 tarantula hawk Pepsis mildei Adult male
5369786 scentless plant bugs Aufeius spp. Adult
5369783 ornate checkered beetle Trichodes ornatus Adult
5369784 ornate checkered beetle Trichodes ornatus Adult
5369781 Largus bug Largus succinctus Adult
5369782 Coreid bug Chariesterus antennator Adult
5369780 lupine bug Megalotomus quinquespinosus Adult and late instar nymph
5369771 stink bug Chlorochroa faceta Adult
5369773 plant bug Coquillettia insignis Adult
5369769 century plant Agave angustifolia A field of young plants in oaxaca, Mexico. This species is the most common Agave used in production of mezcal. It is locally known as maguey
5369758 tussock moth Dasychira mescalera Pinned adult
5369740 twospotted spider mite Tetranychus urticae Stippling injuries to leaves
5369942 cat-faced spider Araneus gemmoides Egg mass
5369943 cat-faced spider Araneus gemmoides Egg mass
5369935 fall webworm Hyphantria cunea Extensive infestation with webbing covering trunk
5369904 honeysuckle aphid Hyadaphis tataricae Witches’ broom in spring from previous season injury
5369890 hollyhock weevil Rhopalapion longirostre Two males and a female (longer proboscis)
5369823 redlegged grasshopper Melanoplus femurrubrum
5369818 elm sphinx Ceratomia amyntor Frass
5369816 elm sphinx Ceratomia amyntor Full-grown larva
5369814 banded woollybear Pyrrharctia isabella Larva
5369796 sidewalk tiger beetle Cicindela punctulata Adult aggregation near edge of small pool.
5369794 sidewalk tiger beetle Cicindela punctulata Mating pair joined by a second male
5369776 black grass bug Irbisia spp. Adult
5369754 blue beetle Gibbifer californicus Adult
5369746 blues Plebejus spp. Adult male
5359732 Dutch elm disease Ophiostoma ulmi Dutch elm disease fungus (described here as Ceratocystis ulmi) growing in a petri dish in the laboratory.
5359733 Dutch elm disease Ophiostoma ulmi Dutch elm disease fungus (described here as Ceratocystis ulmi) growing in a petri dish in the laboratory.
5360912 fence Wire mesh deer fencing enclosing a pasture.
5358505 cactus Isolatocereus spp. Candelabra cactus on display at the Phoenix Botanical Garden in Arizona.
5358504 cactus Isolatocereus spp. Candelabra cactus on display at the Phoenix Botanical Garden in Arizona.
5358500 ocotillo Fouquieria splendens A Madagascan ocotillo at the Phoenix Botanical Garden.
5358501 ocotillo Fouquieria splendens A Madagascan ocotillo at the Phoenix Botanical Garden.
5358499 ocotillo Fouquieria splendens A Madagascan ocotillo at the Phoenix Botanical Garden.
5365640 lilac Syringa x hyacinthiflora The lilac as an ornamental plant.
5365639 lilac Syringa x hyacinthiflora The lilac as an ornamental plant.
5366075 Woods' rose Rosa woodsii The Wood's Rose as an ornamental shrub.
5366072 cedar Cedrus spp. The Blue Cedar as an ornamental tree.
5366037 red valerian Centranthus ruber The Jupiter's beard/red valerian as an ornamental plant.
5366036 catnip Nepeta cataria The cat mint/catnip as an ornamental plant.
5366035 blanketflower Gaillardia spp. The Burgundy blanket flower as an ornamental plant.
5366034 sage Salvia spp. The Azure sage as an ornamental plant.
5366032 black-eyed susan Rudbeckia hirta The Black-eyed Susan as an ornamental plant.
5366031 chrysanthemum Chrysanthemum spp. The Blue Daisy as an ornamental plant.
5366029 Small's skullcap Scutellaria multiglandulosa   The skullcap as an ornamental plant.
5365306 rose Rosa spp. The 'Carefree Delight' type of rose in a garden.
5365305 marigold Tagetes spp. The 'Discovery Orange' type of African marigold at the CSU Horticultural Demonstration Garden in Colorado.
5365304 marigold Tagetes spp. The 'Antique Primrose' type of African marigold at the CSU Horticultural Demonstration Garden in Colorado.
5365303 marigold Tagetes spp. The 'Zenith Red' type of marigold at the CSU Horticultural Demonstration Garden in Colorado.
5359016 Celosia Celosia spp. The 'New Look' type of the ornamental flower Celosia plumosa.
5364483 chrysanthemum Chrysanthemum spp. Some daisy plants in bloom in a garden.
5364475 tulip Tulipa spp. Some tulip plants in bloom in a garden.
5364474 tulip Tulipa spp. Some tulip plants in bloom.
5359012 common zinnia Zinnia violacea The 'Crystal White' type of the ornamental flower Zinnia elegans.
5359035 marigold Tagetes spp. The 'Luna Lemon' type of the ornamental marigold Tagetes tenuifolia.
5359034 verbena Verbena spp. The 'Quartz White' type of the ornamental flower Verbena spp..
5359033 begonia Begonia spp. The 'Dragon Wings Pel' type of the ornamental flower Begonia spp..
5359032 begonia Begonia spp. The 'Senator Scarlet' type of the ornamental flower Begonia spp..
5359031 begonia Begonia spp. The 'Varsity Formula Mix' type of the ornamental flower Begonia spp..
5359030 begonia Begonia spp. The 'Harmony Mix' type of the ornamental flower Begonia spp..
5359029 carnation Dianthus spp. The 'Floral Lace-Violet Picotee' type of the ornamental flower Dianthus spp..
5359028 carnation Dianthus spp. The 'Diamond Scarlet' type of the ornamental flower Dianthus spp..
5359027 phlox Phlox spp. The 'Purple/White Edge' type of the ornamental flower Phlox spp..
5359026 Transvaal daisy Gerbera spp. The 'Festival' type of the ornamental flower Gerbera spp..
5359025 babysbreath Gypsophila paniculata The 'Garden Bride' type of the ornamental flower Gypsophila muralis.
5359024 petunia Petunia spp. The 'Fantasy Blue' type of the ornamental flower Petunia milliflora.
5359023 petunia Petunia spp. The 'Fantasy Crystal Red' type of the ornamental flower Petunia milliflora.
5359022 petunia Petunia spp. The 'Fantasy Pink Mom' type of the ornamental flower Petunia milliflora.
5359021 petunia Petunia spp. The 'Ultra Peppermint' type of the ornamental flower Petunia grandiflora.
5359020 periwinkle Vinca spp. The 'Pacific Apricot' type of the ornamental flower Vinca spp..
5359019 periwinkle Vinca spp. The 'Peppermint Cooler Improved' type of the ornamental flower Vinca spp..
5359018 periwinkle Vinca spp. The 'Rose Cooler Improved' type of the ornamental flower Vinca spp..
5359015 Celosia Celosia spp. The Prestige Scarlet type of the ornamental flower Celosia cristata.
5359013 common zinnia Zinnia violacea   The Profusion Cherry type of Zinnia elegans in flower.
5359014 common zinnia Zinnia violacea The Profusion Cherry type of Zinnia elegans in flower.
5359010 fountaingrass Pennisetum spp. Ornamental grass Pennisetum spp. in flower.
5357467 sooty mold Sooty mold symptoms caused by Dibotryon morbosum on an ornamental shrub.
5364228 alfalfa webworm Loxostege cereralis Eggs of the alfalfa webworm (Loxostege cereralis), a pest of many plant species.
5364141 European earwig Forficula auricularia Adult male and female European earwigs (Forficula auricularia) on a flower.
5360749 San Jose scale Diaspidiotus perniciosus Apple fruit infested with San Jose scale (Quadraspidiotus perniciosus).
5358512 gardens Sign in the Phoenix Botanical Garden, quoting James Russell Lowell on weeds.
5358515 onions Allium spp. Close-up view of the bulblets on an Egyptian Walking Onion in the Phoenix Botanical Garden.
5358514 onions Allium spp. Close-up view of bulblets on an Egyptian Walking Onion (Allium x proliferum) in the Phoenix Botanical Garden.
5358513 onions Allium spp. Egyptian Walking Onion (Allium x proliferum) in the Phoenix Botanical Garden.
1739012 brown lacewings brown lacewing pupa, unknown genus
5211072 leaf and flower gall Exobasidium vaccinii 6/5/07
5211073 leaf and flower gall Exobasidium vaccinii 6/5/07
5211086 meadow spittlebug Philaenus spumarius 6/16/07
5211088 klamathweed beetle Chrysolina quadrigemina 6/16/07
5211089 klamathweed beetle Chrysolina quadrigemina 6/16/07
5211099 meadow spittlebug Philaenus spumarius 6/23/07
5249071 eupatorium gall fly Procecidochares utilis Ageratina_adenophora_gall
5249072 eupatorium gall fly Procecidochares utilis Ageratina_adenophora_gall
5224011 Cercospora leaf spot Cercospora capsici
5224031 crown gall Rhizobium radiobacter
5263097 daylily rust Puccinia hemerocallidis
5263098 daylily rust Puccinia hemerocallidis
5263099 daylily rust Puccinia hemerocallidis
5263100 daylily rust Puccinia hemerocallidis
5264001 daylily rust Puccinia hemerocallidis
5264002 daylily rust Puccinia hemerocallidis
5264003 daylily rust Puccinia hemerocallidis
5264004 daylily rust Puccinia hemerocallidis
5264005 daylily rust Puccinia hemerocallidis
5264006 daylily rust Puccinia hemerocallidis
5264007 daylily rust Puccinia hemerocallidis
5264008 daylily rust Puccinia hemerocallidis
5264009 daylily rust Puccinia hemerocallidis
5264010 daylily rust Puccinia hemerocallidis
5264011 daylily rust Puccinia hemerocallidis
5264012 daylily rust Puccinia hemerocallidis
5264013 daylily rust Puccinia hemerocallidis
5264014 daylily rust Puccinia hemerocallidis
5264015 daylily rust Puccinia hemerocallidis
5264016 daylily rust Puccinia hemerocallidis
5264017 daylily rust Puccinia hemerocallidis
5264018 daylily rust Puccinia hemerocallidis
5264022 daylily rust Puccinia hemerocallidis
5264023 daylily rust Puccinia hemerocallidis
5264024 daylily rust Puccinia hemerocallidis
5264025 daylily rust Puccinia hemerocallidis
5264026 daylily rust Puccinia hemerocallidis
5264027 daylily rust Puccinia hemerocallidis
5264028 daylily rust Puccinia hemerocallidis
5264029 daylily rust Puccinia hemerocallidis
5264030 daylily rust Puccinia hemerocallidis
5264031 daylily rust Puccinia hemerocallidis
5264032 daylily rust Puccinia hemerocallidis
5264033 daylily rust Puccinia hemerocallidis
5264034 daylily rust Puccinia hemerocallidis
5264035 daylily rust Puccinia hemerocallidis
5264036 daylily rust Puccinia hemerocallidis
5264037 daylily rust Puccinia hemerocallidis
5264082 Stigmina leaf spot Stigmina palmivora
5267053 anthracnose Colletotrichum spp.
5267054 anthracnose Colletotrichum spp.
5267055 anthracnose Colletotrichum spp.
5267056 anthracnose Colletotrichum spp.
5267057 anthracnose Colletotrichum spp.
5267058 anthracnose Colletotrichum spp.
5267059 anthracnose Colletotrichum spp.
5267060 anthracnose Colletotrichum spp.
5267061 anthracnose Colletotrichum spp.
5223084 Alternaria blight Alternaria panax
5223085 Alternaria blight Alternaria panax
5223095 gray mold Botrytis cinerea
5223096 gray mold Botrytis cinerea
5223098 gray mold Botrytis cinerea
5223100 gray mold Botrytis cinerea
5224010 gray mold Botrytis cinerea
5263075 daylily rust Puccinia hemerocallidis
5028025 leatherleaf Chamaedaphne calyculata Chamaedaphne calyculata (leatherleaf) in blume.
5142010 art work "Dora" by Marshall M. Fredricks
5142011 art work "Dora" by Marshall M. Fredricks
5142061 art work "Leaping Gazelle" by Marshall M. Fredricks

Page: