Image Archive
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About these images
For information on image usage rights and fees, and how to attribute the photographers, go to our image inventory page. Note: Read our disclaimer regarding lists of species on our web site..
For information on image usage rights and fees, and how to attribute the photographers, go to our image inventory page. Note: Read our disclaimer regarding lists of species on our web site..
| Species | Description/Photographer | |
| See the previous set of photos | ||
| Centaurea calcitrapa | Spiny plant!/photo BAR | |
| Centaurea calcitrapa | Pokey flowers/photo BAR | |
| Centaurea calcitrapa | Ooch! Ouch!/photo BAR | |
| Centaurea calcitrapa | Pretty flowers/photo BAR | |
| Centaurea cyanus | Bachelor button flowers/photo JMR | |
| Centaurea cyanus | Flowers/photo BAR | |
| Centaurea maculosa | Flower I/photo JMR | |
| Centaurea maculosa | Flower II/photo JMR | |
| Centaurea maculosa | Flower III/photo JMR | |
| Centaurea maculosa | On a slope/photo MT | |
| Centaurea maculosa | Dried spotty seedheads/photo BAR | |
| Centaurea maculosa | Lots of seedheads/photo BAR | |
| Centaurea maculosa | Young plant/photo JMR | |
| Centaurea maculosa | Big plant/photo JMR | |
| Centaurea maculosa | Bigger plant/photo JMR | |
| Centaurea maculosa | Infestation/photo JMR | |
| Centaurea melitensis | wi/C. solstitialis/photo JMR | |
| Centaurea melitensis | A flower/photo JMR | |
| Centaurea melitensis | Two flowers/photo JMR | |
| Centaurea pratensis | One flower/photo MT | |
| Centaurea pratensis | More flowers/photo MT | |
| Centaurea pratensis | Flowers in hand/photo MT | |
| Centaurea pratensis | Many in bush/photo MT | |
| Centaurea solstitialis | A young plant/photo JMR | |
| Centaurea solstitialis | Spiny flower bud/photo JMR | |
| Centaurea solstitialis | A large plant/photo JMR | |
| Centaurea solstitialis | A mat of young plants/photo JMR | |
| Centaurea solstitialis | A dreadful patch/photo JMR | |
| Centaurea solstitialis | A seedy field/photo JMR | |
| Centaurea solstitialis | A spiny flower/photo BAR | |
| Centaurea solstitialis | Winged stems/photo BAR | |
| Centaurea solstitialis | Branches/photo BAR | |
| Centaurea solstitialis | Threatened by competition/photo by Jerry Asher(*) | |
| Centaurea solstitialis | Q-tip stage/photo JMR | |
| Centaurea solstitialis | Roadside/photo MT | |
| Ceratonia siliqua | Mature stinky pods/photo BAR | |
| Ceratonia siliqua | Flowers/photo BAR | |
| Ceratonia siliqua | Young fruit/photo BAR | |
| Ceratonia siliqua | Leaves/photo BAR | |
| Chamelaucium uncinatum | Inflorescence/photo JMR | |
| Chasmanthe floribunda | Inflorescence/photo JMR | |
| Chasmanthe floribunda | Plants/photo JMR | |
| Chenopodium album | Thick growth/photo JMR | |
| Chondrilla juncea | In bunchgrass/photo Jerry Asher(*) | |
| Chondrilla juncea | Impassible!/photo Jerry Asher(*) | |
| Chondrilla juncea | Infestation/photo Jerry Asher(*) | |
| Chondrilla juncea | Greenhouse study/photo JMR | |
| Chondrilla juncea | Bush in ID /photo JMR | |
| Chondrilla juncea | Fruiting in ID /photo JMR | |
| Chrysophyllum oliviforme | Invading Hawai'i/photo JMR | |
| Cichorium intybus | Flower I/photo BAR | |
| Cirsium arvense | Flowerheads I/photo JMR | |
| Cirsium arvense | Flowerheads II/photo JMR | |
| Cirsium arvense | View of plant/photo JMR | |
| Cirsium arvense | View of flowers/photo JMR | |
| Cirsium arvense | Seedheads/photo JMR | |
| Cirsium arvense | Sea of trouble/photo JMR | |
| Cirsium arvense | Creekside/photo JMR | |
| Cirsium arvense | Plants/photo JMR | |
| Cirsium arvense | w/white foliage/photo BAR | |
| Cirsium arvense | Male inflorescence/photo JMR | |
| Cirsium arvense | Female inflorescence 1/photo JMR | |
| Cirsium arvense | Female inflorescence 2/photo JMR | |
| Cirsium arvense | Female inflorescence 3/photo JMR | |
| Cirsium arvense | NZ flowers I/photo JMR | |
| Cirsium arvense | NZ flowers II/photo JMR | |
| Cirsium arvense | NZ flowers III/photo JMR | |
| Cirsium vulgare | Many more plants/photo JMR | |
| Cirsium vulgare | Weed in the mountains/photo JMR | |
| Cirsium vulgare | Flowers/photo JMR | |
| Cirsium vulgare | Making seed/photo JMR | |
| Cirsium vulgare | Rosette of evil/photo BAR | |
| Cirsium vulgare | White-flowered variant/photo JMR | |
| Cirsium vulgare | Many prickly plants/photo JMR | |
| Cirsium vulgare | Gone by thistles/photo JMR | |
| Cirsium vulgare | Single flower/photo MT | |
| Clerodendrum sp. | A rare escapee/photo JMR | |
| Clidemia hirta | Leaves and flowers/photo JMR | |
| Clidemia hirta | Leaves/photo JMR | |
| Clidemia hirta | Flowers/photo JMR | |
| Clidemia hirta | Fruit/photo JMR | |
| Clidemia hirta | Leaf study I/photo JMR | |
| Clidemia hirta | Leaf study II/photo JMR | |
| Coincya monensis | Evil rosette/photo Andrea Pickart(*) | |
| Coincya monensis | Dune invader/photo Andrea Pickart(*) | |
| Coincya monensis | Thick bunch/photo Andrea Pickart(*) | |
| Coincya monensis | Beaked fruit/photo Andrea Pickart(*) | |
| Coincya monensis | Flowers/photo Andrea Pickart(*) | |
| Colubrina asiatica | Leaves/photo JMR | |
| Colubrina asiatica | A bad infestation/photo JMR | |
| Colubrina asiatica | Plants/photo JMR | |
| Colubrina asiatica | One plant/photo MT | |
| Colubrina asiatica | Fruit/photo MT | |
| Colubrina asiatica | Flowers/photo MT | |
| Complaya trilobata | Plants I/photo Norma Jean Byrd(*) | |
| Complaya trilobata | Plants II/photo JMR | |
| Complaya trilobata | Close-view/photo MT | |
| Complaya trilobata | One flower/photo MT | |
| Complaya trilobata | Many flowers/photo MT | |
| Conium maculatum | Large plants/photo JMR | |
| Conium maculatum | Young fruit/photo JMR | |
| Conium maculatum | Young ferny foliage/photo BAR | |
| Conium maculatum | Big plant/photo BAR | |
| Convolvulus arvensis | A patch of plants.../photo BAR | |
| Convolvulus arvensis | Medium view/photo BAR | |
| Convolvulus arvensis | A closer view/photo BAR | |
| Convolvulus arvensis | Flowers/photo JMR | |
| Convolvulus arvensis | In a plowed field/photo JMR | |
| Convolvulus arvensis | Canyon preserve/photo JMR | |
| Coronilla varia | A flowering pagoda/photo JMR | |
| Coronilla varia | A clump of plants/photo JMR | |
| Coronilla varia | Many more plants/photo JMR | |
| Coronilla varia | Thick patch I/photo MT | |
| Coronilla varia | Thick patch II/photo MT | |
| Coronilla varia | Thick patch III/photo MT | |
| Cortaderia jubata | A grand plant with plumes/photo JMR | |
| Cortaderia jubata | Plants growing on a hillside/photo JMR | |
| Cortaderia jubata | Close up view of a seed plume/photo JMR | |
| Cortaderia jubata | Backlit plumes/photo MT | |
| Cortaderia jubata | Invaded hillside/photo MT | |
| Cortaderia jubata | Pretty plants I/photo MT | |
| Cortaderia jubata | Pretty plants II/photo MT | |
| Cortaderia jubata | Horrible hillside I/photo MT | |
| Cortaderia jubata | Horrible hillside II/photo MT | |
| Cortaderia jubata | Green plants/photo MT | |
| Cortaderia jubata | Spot the human!/photo BAR | |
| Cortaderia jubata | Too many plants!/photo JMR | |
| Cortaderia selloana | Attacking a home?/photo Joe DiTomaso(*) | |
| Cortaderia selloana | Single plant/photo Joe DiTomaso(*) | |
| Cortaderia selloana | Inflorescence/photo Joe DiTomaso(*) | |
| Cortaderia sp. | Big plants!/photo JMR | |
| Cortaderia sp. | On a hillside/photo JMR | |
| Cortaderia sp. | Many flags/photo JMR | |
| Crocosmia x crocosmiiflora | Flowers!/photo JMR | |
| Crocosmia x crocosmiiflora | Plants/photo JMR | |
| Cryptocoryne beckettii | Plant underwater/photo Paul Krombholz(*) | |
| Cryptocoryne beckettii | Triploid form/photo Jan D. Bastmeijer(*) | |
| Cryptocoryne beckettii | Flower/photo Jan D. Bastmeijer(*) | |
| Cryptocoryne beckettii | More flowers/photo Jan D. Bastmeijer(*) | |
| Cuscuta japonica | Strangling/photo BAR | |
| Cuscuta japonica | Choking/photo BAR | |
| Cuscuta japonica | Tangling/photo BAR | |
| Cuscuta japonica | Sucking/photo BAR | |
| Cynanchum rossicum | Reaching into a tree/photo JMR | |
| Cynanchum rossicum | Old plants/photo Bill Jacobs, bjacobs(at)tnc.org(*) | |
| Cynanchum rossicum | Flowers/photo JMR | |
| Cynanchum rossicum | Fruiting pods/photo JMR | |
| Cynanchum rossicum | Roadside/photo Bill Jacobs, bjacobs(at)tnc.org(*) | |
| Cynanchum rossicum | Infestation/photo JMR | |
| Cynanchum rossicum | Backyard badboy/photo JMR | |
| Cynanchum rossicum | Leaves and fruit/photo JMR | |
| Cynanchum rossicum | Many pods/photo Bill Jacobs, bjacobs(at)tnc.org(*) | |
| Cynanchum rossicum | In forest I/photo Bill Jacobs, bjacobs(at)tnc.org(*) | |
| Cynanchum rossicum | In forest II/photo Bill Jacobs, bjacobs(at)tnc.org(*) | |
| Cynanchum rossicum | Big field/photo Bill Jacobs, bjacobs(at)tnc.org(*) | |
| Cynara cardunculus | Rosette I/photo JMR | |
| Cynara cardunculus | Rosette II/photo JMR | |
| Cynara cardunculus | Rosette III/photo JMR | |
| Cynara cardunculus | Flower/photo JMR | |
| Cynodon dactylon | Stolons/photo JMR | |
| Cynodon dactylon | Plants/photo JMR | |
| Cynoglossum officinale | A plant I/photo JMR | |
| Cynoglossum officinale | A plant II/photo JMR | |
| Cynoglossum officinale | A plant III/photo JMR | |
| Cynoglossum officinale | Inflorescence/photo JMR | |
| Cynoglossum officinale | Roots!/photo MT | |
| Cynosurus echinatus | Strange flowers/photo BAR | |
| Cyperus entrerianus | Seeds/photo MT | |
| Cyperus entrerianus | Plants/photo MT | |
| Cyperus entrerianus | Dense growth/photo MT | |
| Cyperus entrerianus | Choked field/photo MT | |
| Cytisus multiflorus | Plant/photo JMR | |
| Cytisus multiflorus | On a hill/photo JMR | |
| Cytisus scoparius | A field of young plants/photo JMR | |
| Cytisus scoparius | Dense growth on hill/photo JMR | |
| Cytisus scoparius | A band of plants on a hillside/photo JMR | |
| Cytisus scoparius | Flower closeup/photo BAR | |
| Cytisus scoparius | On a dune/photo JMR | |
| Dactylis glomerata | Nasty spikelets/photo JMR | |
| Daucus carota | Fruit/photo BAR | |
| Daucus carota | Flowers I/photo BAR | |
| Daucus carota | Flowers II/photo JMR | |
| Delairea odorata | Leaves and flowers/photo JMR | |
| Delairea odorata | Leaves/photo BAR | |
| Delairea odorata | Crawling up a hill/photo BAR | |
| Delairea odorata | at Featherbed (South Africa)/photo Greg Archbald(*) | |
| Delairea odorata | at Giant's Castle I (South Africa)/photo Greg Archbald(*) | |
| Delairea odorata | at Giant's Castle II (South Africa)/photo Greg Archbald(*) | |
| Delairea odorata | Many leaves/photo BAR | |
| Delairea odorata | Evil swathe/photo JMR | |
| Delairea odorata | Inflorescences/photo JMR | |
| Delairea odorata | Lost hillside I/photo JMR | |
| Delairea odorata | Lost hillside II/photo JMR | |
| Delairea odorata | Ascending forbs/photo JMR | |
| Delairea odorata | Tree draperies/photo JMR | |
| Digitalis purpurea | Flowers/photo BAR | |
| Digitalis purpurea | More flowers/photo BAR | |
| Digitalis purpurea | Many flowers/photo JMR | |
| Digitalis purpurea | Several plants/photo JMR | |
| Digitalis purpurea | Infestation/photo JMR | |
| Dioscorea bulbifera | A climbing plant/photo JMR | |
| Dioscorea bulbifera | Aerial bulbil/photo JMR | |
| Dioscorea bulbifera | Double dense!/photo BAR | |
| Dioscorea bulbifera | Dense growth/photo BAR | |
| Dioscorea oppositifolia | Obscuring light/photo Peter Whan(*) | |
| Dioscorea oppositifolia | Obscuring light/photo Peter Whan(*) | |
| Dipsacus fullonum ssp. sylvestris | Rosettes/photo JMR | |
| Dipsacus fullonum ssp. sylvestris | Crack in asphalt/photo JMR | |
| Dipsacus fullonum ssp. sylvestris | Pre-bloom/photo JMR | |
| Dipsacus fullonum ssp. sylvestris | In flower/photo JMR | |
| Dipsacus fullonum ssp. sylvestris | Infested meadow/photo JMR | |
| Dipsacus fullonum | Infested slope/photo MT | |
| Dipsacus fullonum | Big plant/photo BAR | |
| Dipsacus fullonum | Leaf axil I/photo BAR | |
| Dipsacus fullonum | Leaf axil II/photo BAR | |
| Dipsacus sp. | Spiny inflorescence/photo MT | |
| Dipsacus sp. | D. sativus(?) head/photo JMR | |
| Dipsacus sp. | D. sativus(?) invasion/photo JMR | |
| Dipsacus sp. | Landscape invasion/photo JMR | |
| Dissotis rotundifolia | Pretty flowers/photo JMR | |
| Echium candicans | Plants/photo JMR | |
| Echium candicans | Tall spike/photo JMR | |
| Echium candicans | Short spike/photo JMR | |
| Echium candicans | On ocean cliff/photo JMR | |
| Echium plantagineum | Purple flowers/photo JMR | |
| Echium plantagineum | Another look/photo JMR | |
| Echium spp. | New invasion I/photo JMR | |
| Echium spp. | New invasion II/photo JMR | |
| Echium spp. | Flowers/photo JMR | |
| Egeria densa | Leafy plants/photo BAR | |
| Ehrharta calycina | Infestation/photo JMR | |
| Ehrharta longiflora | Inflorescence/photo JMR | |
| Eichhornia crassipes | Flower spike/photo BAR | |
| Eichhornia crassipes | Flowers/photo JMR | |
| Eichhornia crassipes | A lake!/photo JMR | |
| Eichhornia crassipes | Infested waterway I/photo MT | |
| Eichhornia crassipes | Infested waterway II/photo MT | |
| Eichhornia crassipes | Leaves I/photo BAR | |
| Eichhornia crassipes | Leaves II/photo BAR | |
| Eichhornia crassipes | "Bull" form I/photo BAR | |
| Eichhornia crassipes | "Bull" form II/photo BAR | |
| Elaeagnus angustifolia | Fruit/photo JMR | |
| Elaeagnus angustifolia | Flowers/photo JMR | |
| Elaeagnus angustifolia | Red cultivar I/photo BAR | |
| Elaeagnus angustifolia | Red cultivar II/photo BAR | |
| Elaeagnus angustifolia | Encroaching trees/photo JMR | |
| Elaeagnus angustifolia | Along a river/photo JMR | |
| Elaeagnus angustifolia | View from a bridge/photo JMR | |
| Elaeagnus angustifolia | In fruit/photo JMR | |
| Elaeagnus umbellata | Twigs/photo BAR | |
| Elaeagnus umbellata | Leaves and flowers/photo JMR | |
| Elaeagnus umbellata | Fruit!/photo JMR | |
| Eragrostis lehmanniana | A carpet/photo JMR | |
| Eragrostis lehmanniana | Arizona infestation/photo JMR | |
| Eragrostis lehmanniana | Nasty inflorescence/photo JMR | |
| Eragrostis curvula | Weepy plant/photo JMR | |
| Eragrostis curvula | Infestation/photo JMR | |
| Eragrostis curvula | Inflorescence/photo JMR | |
| Eragrostis curvula | Three of them/photo JMR | |
| Eragrostis curvula | Infesting a field/photo JMR | |
| Erechtites minima | Setting seed/photo JMR | |
| Erodium botrys | Flowers/photo JMR | |
| Erodium botrys | Dense patch/photo JMR | |
| Erodium botrys | Flowers & fruit/photo JMR | |
| Erodium cicutarium | Flowers I/photo JMR | |
| Erodium cicutarium | Flowers II/photo JMR | |
| Erodium cicutarium | Flowers III/photo JMR | |
| Erodium moschatum | Flowers/photo JMR | |
| Erodium moschatum | Plant/photo JMR | |
| Eucalyptus globulus | A dangerously large tree/photo JMR | |
| Eucalyptus globulus | Dimorphic leaves/photo BAR | |
| Eucalyptus globulus | Fruit and flowers/photo JMR | |
| Eucalyptus globulus | Young trees/photo BAR | |
| Eucalyptus globulus | Entering a dark grove/photo JMR | |
| Eucalyptus globulus | Inside a dark grove/photo JMR | |
| Eucalyptus globulus | Dark grove II/photo JMR | |
| Eucalyptus globulus | Wicked grove/photo JMR | |
| Euonymus alatus | Fall fruit & leaves/photo BAR | |
| Euonymus alatus | Winged stems/photo BAR | |
| Euonymus alatus | Escaping seedlings/photo BAR | |
| Euonymus alatus | Fall foliage/photo BAR | |
| Euonymus alatus | Unwinged stems/photo BAR | |
| Euonymus fortunei | Leaves & fruit/photo JMR | |
| Euphorbia cyparissias | Many plants/photo JMR | |
| Euphorbia cyparissias | With ruler/photo JMR | |
| Euphorbia cyparissias | In a planting/photo JMR | |
| Euphorbia cyparissias | From above/photo Marilyn Jordan (mjordan(at)tnc.org)* | |
| Euphorbia cyparissias | From the side/photo Marilyn Jordan (mjordan(at)tnc.org)* | |
| Euphorbia cyparissias | Many flowers/photo Marilyn Jordan (mjordan(at)tnc.org)* | |
| Euphorbia esula | A few plants/photo BAR | |
| Euphorbia esula | A single plant/photo BAR | |
| Euphorbia esula | A field of woe!/photo BAR | |
| Euphorbia esula | Flowers yield seed/photo JMR | |
| Euphorbia esula | Flowers/photo JMR | |
| Euphorbia esula | Hillside/photo by Jerry Asher(*) | |
| Euphorbia esula | A small clump I/photo JMR | |
| Euphorbia esula | A small clump II/photo JMR | |
| Euphorbia esula | A storm of weeds/photo JMR | |
| Euphorbia esula | Green patch/photo JMR | |
| Euphorbia esula | Biocontrol release/photo JMR | |
| Euphorbia lathyris | Fruity/photo Marilyn Jordan, mjordan(at)tnc.org | |
| Euphorbia lathyris | Tall plant!/photo Marilyn Jordan, mjordan(at)tnc.org | |
| Euphorbia lathyris | VERY tall plant!/photo Marilyn Jordan, mjordan(at)tnc.org | |
| Euphorbia lathyris | Seedling/photo Marilyn Jordan, mjordan(at)tnc.org | |
| Euphorbia terracina | Flower closeup/photo JMR | |
| Ferraria crispa | Flower/photo JMR | |
| Festuca arundinacea | Inflorescence/photo JMR | |
| Festuca arundinacea | Plant I/photo JMR | |
| Festuca arundinacea | Plant II/photo JMR | |
| Ficus carica | Muddy resprouts/photo JMR | |
| Ficus carica | In Hawai'i/photo JMR | |
| Ficus carica | Hillside plant/photo JMR | |
| Foeniculum vulgare | A young stand/photo JMR | |
| Foeniculum vulgare | Flowering plant/photo JMR | |
| Foeniculum vulgare | Flower/photo JMR | |
| Foeniculum vulgare | Fennel boulevard/photo JMR | |
| Foeniculum vulgare | Climbing a hill/photo JMR | |
| Foeniculum vulgare | Young plant/photo JMR | |
| Foeniculum vulgare | Dense fennel patch/photo JMR | |
| Foeniculum vulgare | At a preserve/photo JMR | |
| Foeniculum vulgare | At Big Sur, CA/photo JMR | |
| Fraxinus uhdei | Big weed!/photo JMR | |
| Fraxinus uhdei | Leaf/photo JMR | |
| Fraxinus uhdei | Seedlings/photo JMR | |
| Fraxinus uhdei | Trunks/photo JMR | |
| Freesia sp. | Invading Australia/photo JMR | |
| Freesia sp. | Pink flower/photo JMR | |
| Freesia sp. | Yellow flower/photo JMR | |
| Freesia sp. | White flower/photo JMR | |
| Fumaria capreolata | Leaves and flower/photo JMR | |
| Fumaria capreolata | Another shot/photo JMR | |
See the next set of photos
(*)Image rights are not available for this image through The Nature Conservancy. Contact the image owner for image use guidelines.
WYSIWYG--Higher resolution images are not available for this file.
(*)Image rights are not available for this image through The Nature Conservancy. Contact the image owner for image use guidelines.
WYSIWYG--Higher resolution images are not available for this file.
Other site resources
Invasive plant management
Research the information we have on the management of a particular species of invasive plant here.
Research the information we have on the management of a particular species of invasive plant here.
Invasive animal & pathogen management
Research the information we have on the management of a particular species of invasive animal or pathogen here.
Research the information we have on the management of a particular species of invasive animal or pathogen here.
Gallery of pests
A rogue's gallery of many of the invasive pests and pathogens that have invaded North America, or that have the potential to do so.
A rogue's gallery of many of the invasive pests and pathogens that have invaded North America, or that have the potential to do so.