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 | |
| Abrus precatorius | Leaves/photo MT | |
| Abrus precatorius | Climbing a tree I/photo MT | |
| Abrus precatorius | Climbing a tree II/photo MT | |
| Abrus precatorius | Climbing a tree III/photo MT | |
| Abutilon theophrasti | Lots of plants!/photo JMR | |
| Acacia mearnsii | A young invader/photo JMR | |
| Acer platanoides | Milky sap/photo JMR | |
| Acer platanoides | Leaf, feigning innocence/photo JMR | |
| Acer platanoides | Branch/photo JMR | |
| Acer pseudoplatanus | Leaves, see them plot/photo JMR | |
| Acroptilon repens | A young flower/photo JMR | |
| Acroptilon repens | A seedhead/photo JMR | |
| Acroptilon repens | Conniving foliage/photo JMR | |
| Acroptilon repens | Old dead stuff/photo JMR | |
| Acroptilon repens | Harrassing a tree/photo JMR | |
| Acroptilon repens | Excluding all else/photo JMR | |
| Acroptilon repens | Nasty infestation/photo JMR | |
| Acroptilon repens | Floral close-up/photo JMR | |
| Acroptilon repens | More dead stuff/photo JMR | |
| Acroptilon repens | Nice flower/photo JMR | |
| Acroptilon repens | Dessicating/photo JMR | |
| Aegilops triuncialis | Spikelets/photo BAR | |
| Aegilops triuncialis | Invading serpentine/photo BAR | |
| Aegilops triuncialis | More invasions/photo BAR | |
| Aegilops triuncialis | Sprouts/photo JMR | |
| Aegopodium podagraria | Glossy leaves/photo JMR | |
| Ageratina adenophora | On a hill/photo JMR | |
| Ageratina adenophora | Flowers/photo JMR | |
| Ageratina adenophora | Single plant/photo MT | |
| Ageratina adenophora | Flock of plants/photo MT | |
| Ageratina adenophora | Flowers? For me?/photo MT | |
| Ageratina adenophora | Flowers gone by/photo MT | |
| Ageratina adenophora | Weedy patch/photo MT | |
| Ageratina adenophora | Runners/photo MT | |
| Ageratina adenophora | Closeup of flowers/photo JMR | |
| Ageratina adenophora | Flowers side view/photo JMR | |
| Agropyron cristatum | Seedheads/photo JMR | |
| Agropyron cristatum | Closer shot of a seedhead/photo JMR | |
| Agropyron desertorum | Ominous seedhead/photo JMR | |
| Agrostis capillaris | It's dead!/photo JMR | |
| Agrostis capillaris | It's alive!/photo JMR | |
| Agrostis stolonifera | Inflorescence/photo BAR | |
| Agrostis stolonifera | Leaves/photo BAR | |
| Agrostis stolonifera | Dense growth/photo Marilyn Jordan(*) | |
| Agrostis stolonifera | Foreground weed/photo Marilyn Jordan(*) | |
| Ailanthus altissima | Characteristic leaf scars/photo JMR | |
| Ailanthus altissima | Annoying roadside plants/photo JMR | |
| Ailanthus altissima | A few bad trees/photo JMR | |
| Ailanthus altissima | Smelly, nasty flowers/photo JMR | |
| Ailanthus altissima | More flowers/photo JMR | |
| Ailanthus altissima | Blighted plants/photo JMR | |
| Ailanthus altissima | Bold tree/photo JMR | |
| Ailanthus altissima | A grove/photo JMR | |
| Ailanthus altissima | Thickets galore/photo JMR | |
| Ailanthus altissima | Note leaf base gland/photo JMR | |
| Ailanthus altissima | Native at China's Great Wall/photo JMR | |
| Albizia julibrissin | Making seed pods/photo BAR | |
| Albizia julibrissin | Seductively pretty leaves/photo BAR | |
| Alhagi maurorum | Thorns!/photo JMR | |
| Alhagi maurorum | Closeup of flowers/photo JMR | |
| Alhagi maurorum | Many plants with flowers/photo JMR | |
| Alhagi maurorum | Closeup of stems/photo JMR | |
| Alhagi maurorum | Fruit!/photo JMR | |
| Alhagi maurorum | Another plant/photo JMR | |
| Alliaria petiolata | An infestation/photo JMR | |
| Alliaria petiolata | Fruit/photo JMR | |
| Alliaria petiolata | Flowering plant/photo JMR | |
| Alliaria petiolata | In a forest/photo JMR | |
| Alliaria petiolata | Young plant I/photo JMR | |
| Alliaria petiolata | Young plant II/photo JMR | |
| Alliaria petiolata | Flower/photo JMR | |
| Alliaria petiolata | In West Virginia/photo JMR | |
| Alternanthera philoxeroides | In a canal/photo JMR | |
| Alternanthera philoxeroides | Where's the beach?/photo JMR | |
| Alternanthera philoxeroides | Leafy menace/photo JMR | |
| Alternanthera philoxeroides | Biocontrol damage, hurrah!/photo JMR | |
| Amaranthus albus | Plant/photo JMR | |
| Amaranthus albus | In a field/photo JMR | |
| Ammophila arenaria | Flowers I/photo BAR | |
| Ammophila arenaria | Flowers II/photo JMR | |
| Ammophila arenaria | Flowers III/photo JMR | |
| Ammophila arenaria | A bunch/photo JMR | |
| Ammophila arenaria | On a dune/photo JMR | |
| Ammophila arenaria | Topping a dune/photo JMR | |
| Ammophila arenaria | Big bunch/photo JMR | |
| Ammophila arenaria | New bunches/photo JMR | |
| Ammophila arenaria | So many!/photo JMR | |
| Ammophila arenaria | Dune/photo JMR | |
| Ammophila arenaria | Bad weed! I/photo JMR | |
| Ammophila arenaria | Bad weed!! II/photo JMR | |
| Ammophila arenaria | Bad weed!!! III/photo JMR | |
| Ammophila arenaria | NZ beach I/photo JMR | |
| Ammophila arenaria | NZ beach II/photo JMR | |
| Ampelopsis brevipedunculata | A climbing hazard/photo JMR | |
| Ampelopsis brevipedunculata | Heavy clump/photo JMR | |
| Anchusa officinalis | Flowers I/photo MT | |
| Anchusa officinalis | Flowers II/photo MT | |
| Anchusa officinalis | Single plant/photo MT | |
| Anchusa officinalis | Big clump!/photo MT | |
| Andropogon gayanum | Plant/photo JMR | |
| Andropogon gayanum | Inflorescence/photo JMR | |
| Andropogon virginicus | Fruit/photo JMR | |
| Andropogon virginicus | Plant/photo JMR | |
| Andropogon virginicus | An infestation/photo JMR | |
| Andropogon virginicus | A few plants/photo JMR | |
| Andropogon virginicus | A big clump/photo JMR | |
| Andropogon virginicus | A bad scene/photo JMR | |
| Andropogon virginicus | Cliffside/photo JMR | |
| Andropogon virginicus | On recent lava/photo JMR | |
| Anredera cordifolia | Flowers on a vine/photo Joe DiTomaso(*) | |
| Anthemis cotula | Flowers/photo JMR | |
| Anthemis cotula | Infestation!/photo JMR | |
| Anthemis cotula | Plants/photo JMR | |
| Anthoxanthum odoratum | Spikelets I/photo JMR | |
| Anthoxanthum odoratum | Spikelets II/photo JMR | |
| Anthriscus caucalis | Young plant/photo JMR | |
| Anthriscus caucalis | Fruit/photo JMR | |
| Anthriscus caucalis | Infestation/photo JMR | |
| Aptenia cordifolia | Dense growth/photo Jo Kitz(*) | |
| Aptenia cordifolia | Flowers/photo Jo Kitz(*) | |
| Aralia elata | Fruit/photo Marilyn Jordan(*) | |
| Aralia elata | Sample leaf/photo Marilyn Jordan(*) | |
| Aralia elata | Habit/photo Marilyn Jordan(*) | |
| Aralia elata | Flowering tree/photo JMR | |
| Aralia elata | Flowers/photo JMR | |
| Aralia elata | Leaflets/photo JMR | |
| Aralia elata | Tree/photo JMR | |
| Aralia elata | Leaf/photo JMR | |
| Arctium lappa | Bur-like flowers/photo JMR | |
| Arctium lappa | Plantlet/photo JMR | |
| Arctium minus | Flowering stalk/photo JMR | |
| Arctium minus | Sessile flowers/photo JMR | |
| Arctium minus | Rosette/photo JMR | |
| Arctium minus | Streamside/photo JMR | |
| Arctotheca calendula | Flowers/photo JMR | |
| Arctotheca calendula | Single flower/photo JMR | |
| Arctotheca calendula | Many plants/photo JMR | |
| Arctotheca calendula | More plants/photo JMR | |
| Arctotheca calendula | Yet more plants/photo JMR | |
| Arctotheca calendula | Plant/photo JMR | |
| Ardisia elliptica | Flowers I/photo JMR | |
| Ardisia elliptica | Flowers II/photo JMR | |
| Ardisia elliptica | Fruit/photo Pat Howell(*) | |
| Arundo donax | It is big!/photo JMR | |
| Arundo donax | By a slough/photo JMR | |
| Arundo donax | Mountainside/photo JMR | |
| Arundo donax | Arundo landscape/photo JMR | |
| Arundo donax | Leaf sheaths/photo JMR | |
| Arundo donax | Variegated weed!/photo BAR | |
| Arundo donax | ...about to get lost!/photo JMR | |
| Arundo donax | Along a river/photo JMR | |
| Arundo donax | Flowering culm/photo JMR | |
| Arundo donax | Flowering plants/photo JMR | |
| Arundo donax | Landscape invasion/photo JMR | |
| Arundo donax | Woody shoots!/photo MT | |
| Arundo donax | Stalking Mandy/photo MT | |
| Arundo donax | With scientists.../photo MT | |
| Arundo donax | From above I/photo MT | |
| Arundo donax | From above II/photo MT | |
| Asparagus asparagoides | Leaves/photo JMR | |
| Asparagus asparagoides | More leaves/photo JMR | |
| Asparagus asparagoides | Leaves again/photo JMR | |
| Asphodelus fistulosus | A few flowers/photo JMR | |
| Asphodelus fistulosus | A bunch of plants/photo JMR | |
| Asphodelus fistulosus | Flower and buds/photo JMR | |
| Atriplex semibaccata | Plants/photo JMR | |
| Atriplex semibaccata | Closeup from above/photo JMR | |
| Atriplex semibaccata | Large plants/photo JMR | |
| Atriplex semibaccata | About to be eaten by goats/photo JMR | |
| Avena fatua | Raceme I/photo JMR | |
| Avena fatua | Raceme II/photo JMR | |
| Avena fatua | Spikelets/photo BAR | |
| Barbarea vulgaris | Big plant/photo JMR | |
| Berberis spp. | 3-tipped spines, CT/photo BAR | |
| Berberis spp. | Red fruit, CT/photo BAR | |
| Berberis spp. | Immature fruit, MA/photo JMR | |
| Berberis spp. | New leaves, IL/photo JMR | |
| Berberis spp. | Flowers II, PA/photo JMR | |
| Berberis spp. | Flowers III, PA/photo JMR | |
| Berberis spp. | Young leaves, MA/photo JMR | |
| Berberis spp. | One plant, MA/photo JMR | |
| Berberis spp. | In cultivation, MA/photo JMR | |
| Berberis spp. | Plantlet, MA/photo JMR | |
| Berberis spp. | Flowers I, NY/photo JMR | |
| Berteroa incana | Many plants/photo JMR | |
| Berteroa incana | Large patch/photo JMR | |
| Berteroa incana | Flowers/photo JMR | |
| Bothriochloa ischaemum | Plant/photo JMR | |
| Bothriochloa ischaemum | Inflorescence/photo JMR | |
| Bothriochloa ischaemum | Invaded field/photo JMR | |
| Bothriochloa sp. | Inflorescence/photo JMR | |
| Bothriochloa sp. | Many plants/photo JMR | |
| Bothriochloa sp. | Sunset over infestation/photo JMR | |
| Brachypodium sylvaticum | Roadside/photo Thomas Kaye, kayet(at)peak.org(*) | |
| Brachypodium sylvaticum | Young leaves/photo Thomas Kaye, kayet(at)peak.org(*) | |
| Brachypodium sylvaticum | Small clump/photo Thomas Kaye, kayet(at)peak.org(*) | |
| Brachypodium sylvaticum | Seedy heads/photo Greg Fitzpatrick, fitzpatg(at)juno.com(*) | |
| Brachypodium sylvaticum | Green patch/photo Greg Fitzpatrick, fitzpatg(at)juno.com(*) | |
| Brachypodium sylvaticum | Pale green, on a road/photo Thomas Kaye, kayet(at)peak.org(*) | |
| Brassica nigra | In asphalt crack/photo JMR | |
| Brassica tournefortii | Flowers/photo JMR | |
| Brassica tournefortii | Flower detail/photo JMR | |
| Brassica tournefortii | A few flowers/photo JMR | |
| Brassica tournefortii | Plant in flower/photo JMR | |
| Brassica spp. | Infestation/photo JMR | |
| Brassica spp. | Patches/photo JMR | |
| Brassica spp. | Flowers/photo JMR | |
| Briza maxima | Fresh flowers/photo BAR | |
| Briza maxima | Rattling fruit/photo BAR | |
| Briza maxima | Spikelets close up/photo BAR | |
| Briza maxima | Lots of flowers/photo JMR | |
| Briza minor | Dangly flowers/photo BAR | |
| Briza minor | Insideous spikelets/photo BAR | |
| Bromus catharticus | Close-up of seedhead/photo BAR | |
| Bromus diandrus | Close-up of seedhead/photo BAR | |
| Bromus diandrus | Wind-tossed seedheads/photo JMR | |
| Bromus hordeaceus | Close-up of seedhead/photo BAR | |
| Bromus hordeaceus | Florets at anthesis/photo JMR | |
| Bromus hordeaceus | More florets/photo JMR | |
| Bromus inermis | Close-up of seedhead/photo JMR | |
| Bromus inermis | Full view of panicle/photo JMR | |
| Bromus inermis | The panicle later on/photo JMR | |
| Bromus inermis | Impetuous anthers/photo JMR | |
| Bromus japonicus | Dried flowers/photo JMR | |
| Bromus madritensis subsp. rubens | A greenish seed head/photo JMR | |
| Bromus madritensis subsp. rubens | A red seed head/photo JMR | |
| Bromus madritensis subsp. rubens | Flower portrait/photo BAR | |
| Bromus madritensis subsp. rubens | A bunch/photo JMR | |
| Bromus madritensis subsp. rubens | Hedge/photo JMR | |
| Bromus madritensis subsp. rubens | A landscape/photo JMR | |
| Bromus tectorum | A plant making seed/photo JMR | |
| Bromus tectorum | Brown field/photo JMR | |
| Bromus tectorum | An infestation/photo JMR | |
| Bromus tectorum | Hillside horror infestation/photo JMR | |
| Bromus tectorum | Dangly fruit/photo JMR | |
| Bromus tectorum | Weeds as far as the eye can see.../photo JMR | |
| Bromus tectorum | Infesting sagebrush scrub/photo JMR | |
| Bromus tectorum | Crowding out greasewood scrub/photo JMR | |
| Broussonetia papyrifera | Invading tree/photo JMR | |
| Buddleja davidii | Flowers/photo JMR | |
| Buddleja davidii | Leaves/photo JMR | |
| Buddleja davidii | Flower/photo JMR | |
| Buddleja davidii | Foreground plant/photo JMR | |
| Buddleja davidii | In the mist/photo JMR | |
| Butomus umbellatus | Flowers/photo JMR | |
| Butomus umbellatus | Inflorescence I/photo JMR | |
| Butomus umbellatus | Inflorescence II/photo MT | |
| Butomus umbellatus | Streamside/photo MT | |
| Butomus umbellatus | Dense patch/photo MT | |
| Calluna vulgaris | Wetland invasion/photo JMR | |
| Calluna vulgaris | w/native Cortaderia/photo JMR | |
| Calluna vulgaris | In tussocks/photo JMR | |
| Calluna vulgaris | In shrubland/photo JMR | |
| Calluna vulgaris | Alpine/photo JMR | |
| Calluna vulgaris | Among shrubs/photo JMR | |
| Calluna vulgaris | Tall plants/photo JMR | |
| Calluna vulgaris | Clump/photo JMR | |
| Calluna vulgaris | Alpine clump/photo JMR | |
| Calluna vulgaris | Flowers I/photo JMR | |
| Calluna vulgaris | Flowers II/photo JMR | |
| Caragana arborescens | Plant close-up/photo JMR | |
| Caragana arborescens | Branch/photo JMR | |
| Caragana arborescens | Big patch/photo JMR | |
| Cardaria chalapensis | Seductive flowers/photo JMR | |
| Cardaria chalepensis | Bulging fruit/photo JMR | |
| Cardaria chalepensis | Choked field/photo JMR | |
| Cardaria draba | A young nasty beast/photo BAR | |
| Cardaria draba | Wanton floral display/photo BAR | |
| Cardaria draba | Roadside infestation/photo Jerry Asher(*) | |
| Cardaria draba | Mature plant/photo JMR | |
| Cardaria draba | Infested field/photo MT | |
| Cardaria draba | Single plant/photo MT | |
| Carduus nutans | Young flowerhead/photo JMR | |
| Carduus nutans | Flowerhead I/photo JMR | |
| Carduus nutans | Flowerhead II/photo JMR | |
| Carduus nutans | Mature plant I/photo JMR | |
| Carduus nutans | Mature plant II/photo JMR | |
| Carduus nutans | At Grand Tetons I/photo JMR | |
| Carduus nutans | At Grand Tetons II/photo JMR | |
| Carduus pycnocephalus | Flowers/photo JMR | |
| Carduus pycnocephalus | A plant/photo JMR | |
| Carduus pycnocephalus | Setting seed/photo JMR | |
| Carica papaya | Small plant/photo JMR | |
| Carica papaya | Leaves/photo JMR | |
| Carica papaya | Flowers/photo JMR | |
| Carpobrotus chilensis | Flower/photo BAR | |
| Carpobrotus chilensis | Dune infestation/photo BAR | |
| Carpobrotus edulis | Flower/photo BAR | |
| Carpobrotus edulis | Landscape of weeds/photo JMR | |
| Carpobrotus edulis | Patches of yellow native survivors/photo JMR | |
| Carpobrotus sp. | Cliff edge at Big Sur/photo MT | |
| Carpobrotus sp. | Red plants/photo MT | |
| Carpobrotus sp. | More red plants/photo MT | |
| Carpobrotus sp. | Sprawling plant in NZ/photo JMR | |
| Casuarina equisetifolia | A close-up of fruit/photo JMR | |
| Casuarina equisetifolia | A close-up of a male catkin/photo JMR | |
| Casuarina equisetifolia | In a grove of malevolent trees/photo JMR | |
| Casuarina equisetifolia | On a hillside/photo JMR | |
| Casuarina equisetifolia | Big big trees/photo Norma Jean Byrd(*) | |
| Casuarina equisetifolia | Foul forest/photo Norma Jean Byrd(*) | |
| Catalpa bignonioides | Leaves/photo JMR | |
| Catalpa bignonioides | Fruit/photo JMR | |
| Catalpa spp. | Landscape tree/photo JMR | |
| Catharanthus roseus | Two flowers/photo MT | |
| Catharanthus roseus | A plant/photo MT | |
| Catharanthus roseus | Another plant/photo MT | |
| Cayratia japonica | Leaves/photo Mary S. Bowen, LSU(*) | |
| Cayratia japonica | Leaf detail/photo Mary S. Bowen, LSU(*) | |
| Cayratia japonica | Flowers/photo Mary S. Bowen, LSU(*) | |
| Cayratia japonica | Leaf surfaces/photo Justin Thayer, LSU(*) | |
| Cayratia japonica | Invading plants/photo Justin Thayer, LSU(*) | |
| Celastrus orbiculatus | The plant/photo JMR | |
| Celastrus orbiculatus | Fruit/photo JMR | |
| Celastrus orbiculatus | Leaves/photo JMR | |
| Celastrus orbiculatus | Fruiting branches/photo JMR | |
| Celastrus orbiculatus | Blanketing natives/photo JMR | |
| Celastrus orbiculatus | Climbing a tree/photo JMR | |
| Celastrus orbiculatus | Draping a tree/photo JMR | |
| Celastrus orbiculatus | Red fruit/photo JMR | |
| Cenchrus ciliaris | Spikelets/photo JMR | |
| Cenchrus ciliaris | Bunches/photo JMR | |
| Cenchrus ciliaris | In Arizona/photo JMR | |
| Cenchrus ciliaris | More in Arizona/photo JMR | |
| Cenchrus ciliaris | At Uluru I/photo BAR | |
| Cenchrus ciliaris | At Uluru II/photo BAR | |
| Cenchrus ciliaris | At Uluru III/photo BAR |
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.