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Natural Resources: Weeds

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Image Subject Name Scientific Name Description
5476272 tall vervain Verbena bonariensis
5476267 tall vervain Verbena bonariensis
5451180 reed canarygrass Phalaris arundinacea
5451181 reed canarygrass Phalaris arundinacea
5451183 reed canarygrass Phalaris arundinacea
5451184 reed canarygrass Phalaris arundinacea
5451185 reed canarygrass Phalaris arundinacea
5480431 mile-a-minute weed Persicaria perfoliata
5480260 mile-a-minute weed Persicaria perfoliata
5480269 mile-a-minute weed Persicaria perfoliata
5480259 mile-a-minute weed Persicaria perfoliata
5480257 mile-a-minute weed Persicaria perfoliata
5450897 wild parsnip Pastinaca sativa
5450898 wild parsnip Pastinaca sativa
5450899 wild parsnip Pastinaca sativa
5450900 wild parsnip Pastinaca sativa
5450901 wild parsnip Pastinaca sativa
5483714 Japanese stiltgrass Microstegium vimineum
5487354 oriental bittersweet Celastrus orbiculatus
5487355 oriental bittersweet Celastrus orbiculatus
5487356 oriental bittersweet Celastrus orbiculatus
5487357 oriental bittersweet Celastrus orbiculatus
5487358 oriental bittersweet Celastrus orbiculatus
5487359 oriental bittersweet Celastrus orbiculatus
5487277 oriental bittersweet Celastrus orbiculatus
5487282 oriental bittersweet Celastrus orbiculatus
5487283 oriental bittersweet Celastrus orbiculatus
5487299 oriental bittersweet Celastrus orbiculatus
5487300 oriental bittersweet Celastrus orbiculatus
5487284 oriental bittersweet Celastrus orbiculatus
5487278 oriental bittersweet Celastrus orbiculatus
5477718 Amur peppervine Ampelopsis brevipedunculata
5477722 Amur peppervine Ampelopsis brevipedunculata
5451849 garlic mustard Alliaria petiolata
5456568 chocolate vine Akebia quinata
5456623 chocolate vine Akebia quinata
5481438 large gray willow Salix atrocinerea
5481439 large gray willow Salix atrocinerea
5481440 large gray willow Salix atrocinerea
5481450 large gray willow Salix atrocinerea
5481451 large gray willow Salix atrocinerea
5481452 large gray willow Salix atrocinerea
5481453 large gray willow Salix atrocinerea
5481454 large gray willow Salix atrocinerea
5481455 large gray willow Salix atrocinerea
5481456 large gray willow Salix atrocinerea
5478054 large gray willow Salix cinerea
5478055 large gray willow Salix cinerea
5478056 large gray willow Salix cinerea
5478057 large gray willow Salix cinerea
5487268 oriental bittersweet Celastrus orbiculatus
5487269 oriental bittersweet Celastrus orbiculatus
5487271 oriental bittersweet Celastrus orbiculatus
5452884 ornamental jewelweed Impatiens glandulifera
5452883 ornamental jewelweed Impatiens glandulifera
5480395 mile-a-minute weed Persicaria perfoliata
5483955 Japanese stiltgrass Microstegium vimineum
5483958 Japanese stiltgrass Microstegium vimineum
5483959 Japanese stiltgrass Microstegium vimineum
5483960 Japanese stiltgrass Microstegium vimineum
5483950 Japanese stiltgrass Microstegium vimineum
5478735 Amur silvergrass Miscanthus sacchariflorus
5478736 Amur silvergrass Miscanthus sacchariflorus
5478737 Amur silvergrass Miscanthus sacchariflorus
5478738 Amur silvergrass Miscanthus sacchariflorus
5478739 Amur silvergrass Miscanthus sacchariflorus
5478740 Amur silvergrass Miscanthus sacchariflorus
5487230 common reed Phragmites australis
5449909 wine raspberry Rubus phoenicolasius
5449905 wine raspberry Rubus phoenicolasius
5483715 Japanese stiltgrass Microstegium vimineum
5483719 Japanese stiltgrass Microstegium vimineum
5483720 Japanese stiltgrass Microstegium vimineum
5483951 Japanese stiltgrass Microstegium vimineum
5483952 Japanese stiltgrass Microstegium vimineum
5483953 Japanese stiltgrass Microstegium vimineum
5483956 Japanese stiltgrass Microstegium vimineum
5483957 Japanese stiltgrass Microstegium vimineum
5452480 Russian-olive Elaeagnus angustifolia
5452482 Russian-olive Elaeagnus angustifolia
5449998 multiflora rose Rosa multiflora
5449999 multiflora rose Rosa multiflora
5450001 multiflora rose Rosa multiflora
5449997 multiflora rose Rosa multiflora
5449926 multiflora rose Rosa multiflora
5456893 Japanese barberry Berberis thunbergii
5457022 Japanese barberry Berberis thunbergii
5457025 Japanese barberry Berberis thunbergii
5457026 Japanese barberry Berberis thunbergii
5457027 Japanese barberry Berberis thunbergii
5457028 Japanese barberry Berberis thunbergii
5457029 Japanese barberry Berberis thunbergii
5457024 Japanese barberry Berberis thunbergii
5457021 Japanese barberry Berberis thunbergii
5448995 European barberry Berberis vulgaris
5455631 Canada bluegrass Poa compressa
5456183 European buckthorn Rhamnus cathartica
5449920 multiflora rose Rosa multiflora
5483538 kudzu Pueraria montana var. lobata
5483394 kudzu Pueraria montana var. lobata
5483427 kudzu Pueraria montana var. lobata
5483428 kudzu Pueraria montana var. lobata
5483429 kudzu Pueraria montana var. lobata
5478192 Seaside rose Rosa rugosa
5478193 Seaside rose Rosa rugosa
5478194 Seaside rose Rosa rugosa
5478199 Seaside rose Rosa rugosa
5478102 Seaside rose Rosa rugosa
5455613 Canada bluegrass Poa compressa
5455600 Canada bluegrass Poa compressa
5455601 Canada bluegrass Poa compressa
5455612 Canada bluegrass Poa compressa
5480703 common reed Phragmites australis
5480704 common reed Phragmites australis
5480705 common reed Phragmites australis
5480706 common reed Phragmites australis
5478811 Amur silvergrass Miscanthus sacchariflorus
5478812 Amur silvergrass Miscanthus sacchariflorus
5478813 Amur silvergrass Miscanthus sacchariflorus
5478781 Amur silvergrass Miscanthus sacchariflorus
5478730 Amur silvergrass Miscanthus sacchariflorus
5478731 Amur silvergrass Miscanthus sacchariflorus
5483932 Japanese stiltgrass Microstegium vimineum
5483718 Japanese stiltgrass Microstegium vimineum
5483598 Japanese stiltgrass Microstegium vimineum
5483599 Japanese stiltgrass Microstegium vimineum
5483600 Japanese stiltgrass Microstegium vimineum
5452797 giant hogweed Heracleum mantegazzianum
5452809 giant hogweed Heracleum mantegazzianum
5478791 Amur silvergrass Miscanthus sacchariflorus
5478792 Amur silvergrass Miscanthus sacchariflorus
5478799 Amur silvergrass Miscanthus sacchariflorus
5478808 Amur silvergrass Miscanthus sacchariflorus
5480432 mile-a-minute weed Persicaria perfoliata
5480428 mile-a-minute weed Persicaria perfoliata
5480709 common reed Phragmites australis
5480710 common reed Phragmites australis
5480711 common reed Phragmites australis
5480712 common reed Phragmites australis
5480224 perennial pepperweed Lepidium latifolium
5480226 perennial pepperweed Lepidium latifolium
5474387 knotweed Polygonum spp. plant stem with ocrea
5449895 wine raspberry Rubus phoenicolasius
5453267 border privet Ligustrum obtusifolium
5453268 border privet Ligustrum obtusifolium
5453203 border privet Ligustrum obtusifolium
5453204 border privet Ligustrum obtusifolium
5453205 border privet Ligustrum obtusifolium
5453206 border privet Ligustrum obtusifolium
5453210 border privet Ligustrum obtusifolium
5453211 border privet Ligustrum obtusifolium
5453212 border privet Ligustrum obtusifolium
5453213 border privet Ligustrum obtusifolium
5453214 border privet Ligustrum obtusifolium
2307217 golden bamboo Phyllostachys aurea July
5480425 mile-a-minute weed Persicaria perfoliata
1551163 perennial sowthistle Sonchus arvensis
5475480 yellow groove bamboo Phyllostachys aureosulcata Thick stumps throughout the property.
5271083 Japanese knotweed Fallopia japonica Cross-section of Stems
1556469 joe pye weed Eupatoriadelphus spp. stem at leaf axil
5472508 golden bamboo Phyllostachys aurea
5475479 yellow groove bamboo Phyllostachys aureosulcata Mature infestation - car keys held up to large cut stump.
5472505 golden bamboo Phyllostachys aurea
5472507 golden bamboo Phyllostachys aurea
5472403 Canary Island tamarisk Tamarix canariensis reddish new stems are characteristic of Tamarix canariensis
5474477 bull thistle Cirsium vulgare Cirsium vulgare, bull thistle; upper stem
5474476 bull thistle Cirsium vulgare Cirsium vulgare, bull thistle
5474475 bull thistle Cirsium vulgare Cirsium vulgare, bull thistle; upper stem
5474256 giant hogweed Heracleum mantegazzianum Heracleum mantegazzianum (giant hogweed)
5474254 giant hogweed Heracleum mantegazzianum Heracleum mantegazzianum (giant hogweed)
5474142 blueweed Echium vulgare lower stem of Echium vulgare (Viper's bugloss)
5473544 yellow groove bamboo Phyllostachys aureosulcata Phyllostachys aureosulcata : Yellow groove invading forest * Advanced invasion
1594663 yellow starthistle Centaurea solstitialis
5473295 Canary Island tamarisk Tamarix canariensis Florida's Atlantic Northern Coastal area
5452376 dog-strangling vine, European swallowwort Cynanchum rossicum
5451530 greater celandine Chelidonium majus
5449325 narrowleaf bittercress Cardamine impatiens
5449324 narrowleaf bittercress Cardamine impatiens
5449066 cheatgrass Bromus tectorum
5449064 cheatgrass Bromus tectorum
5449048 cheatgrass Bromus tectorum
5449052 cheatgrass Bromus tectorum
5449001 cheatgrass Bromus tectorum
5450720 wall lettuce Mycelis muralis
5450478 crested latesummer mint Elsholtzia ciliata
5450605 meadow campion Silene flos-cuculi
5450606 meadow campion Silene flos-cuculi
5449962 multiflora rose Rosa multiflora
5450813 great yellowcress Rorippa amphibia
5452793 giant hogweed Heracleum mantegazzianum
5452735 giant hogweed Heracleum mantegazzianum
5452734 giant hogweed Heracleum mantegazzianum
5447706 ground ivy Glechoma hederacea
5452574 Japanese knotweed Fallopia japonica
5452576 Japanese knotweed Fallopia japonica
5452577 Japanese knotweed Fallopia japonica
5452575 Japanese knotweed Fallopia japonica
5452543 Japanese knotweed Fallopia japonica
5451385 Canada thistle Cirsium arvense
5451952 garlic mustard Alliaria petiolata
1294027 British yellowhead Inula britannica Detail of stem and leaf
5451280 reed canarygrass Phalaris arundinacea
5452810 giant hogweed Heracleum mantegazzianum
5451175 reed canarygrass Phalaris arundinacea
5451346 reed canarygrass Phalaris arundinacea
5451345 reed canarygrass Phalaris arundinacea
5450759 great yellowcress Rorippa amphibia
5450760 great yellowcress Rorippa amphibia
5450758 great yellowcress Rorippa amphibia
5449961 multiflora rose Rosa multiflora
5449960 multiflora rose Rosa multiflora
5449959 multiflora rose Rosa multiflora
5450044 multiflora rose Rosa multiflora
5449891 wine raspberry Rubus phoenicolasius
5449892 wine raspberry Rubus phoenicolasius
5449894 wine raspberry Rubus phoenicolasius
1237110 musk thistle Carduus nutans upper stem
5451925 garlic mustard Alliaria petiolata
5449908 wine raspberry Rubus phoenicolasius
5449907 wine raspberry Rubus phoenicolasius
5449836 wine raspberry Rubus phoenicolasius
5450028 multiflora rose Rosa multiflora
5449967 multiflora rose Rosa multiflora
5449966 multiflora rose Rosa multiflora
5449932 multiflora rose Rosa multiflora
5450863 great yellowcress Rorippa amphibia
5450732 wall lettuce Mycelis muralis
5450718 wall lettuce Mycelis muralis
5450719 wall lettuce Mycelis muralis
5450607 meadow campion Silene flos-cuculi
5452971 ornamental jewelweed Impatiens glandulifera
5452972 ornamental jewelweed Impatiens glandulifera
5452794 giant hogweed Heracleum mantegazzianum
5452795 giant hogweed Heracleum mantegazzianum
5452796 giant hogweed Heracleum mantegazzianum
5452770 giant hogweed Heracleum mantegazzianum
5452776 giant hogweed Heracleum mantegazzianum
5450470 crested latesummer mint Elsholtzia ciliata
5451401 Canada thistle Cirsium arvense
5449322 narrowleaf bittercress Cardamine impatiens
5449323 narrowleaf bittercress Cardamine impatiens
5451955 garlic mustard Alliaria petiolata
5451399 Canada thistle Cirsium arvense
5451521 greater celandine Chelidonium majus
5451486 greater celandine Chelidonium majus
5449238 narrowleaf bittercress Cardamine impatiens
5451957 garlic mustard Alliaria petiolata
5451958 garlic mustard Alliaria petiolata
5451956 garlic mustard Alliaria petiolata
5448999 cheatgrass Bromus tectorum
5449353 narrowleaf bittercress Cardamine impatiens
5449354 narrowleaf bittercress Cardamine impatiens
5449355 narrowleaf bittercress Cardamine impatiens
5449071 cheatgrass Bromus tectorum
5449070 cheatgrass Bromus tectorum
5449060 cheatgrass Bromus tectorum
5449061 cheatgrass Bromus tectorum
5449062 cheatgrass Bromus tectorum
5449063 cheatgrass Bromus tectorum
5449005 cheatgrass Bromus tectorum
5448806 wild chervil Anthriscus sylvestris
5448785 wild chervil Anthriscus sylvestris
5448780 wild chervil Anthriscus sylvestris
5448781 wild chervil Anthriscus sylvestris
5448782 wild chervil Anthriscus sylvestris
5448783 wild chervil Anthriscus sylvestris
5448784 wild chervil Anthriscus sylvestris
5446917 Mexican fireweed Kochia scoparia
5446642 giant reed Arundo donax
5446643 giant reed Arundo donax
5446628 giant reed Arundo donax
5446099 common valerian Valeriana officinalis
5446196 cup rosinweed Silphium perfoliatum
5446194 cup rosinweed Silphium perfoliatum
5446195 cup rosinweed Silphium perfoliatum
5446189 cup rosinweed Silphium perfoliatum
5446190 cup rosinweed Silphium perfoliatum
1459790 Russian-thistle Salsola tragus Stem
1459681 common sunflower Helianthus annuus Stem
2149093 johnsongrass Sorghum halepense Stem
2149095 johnsongrass Sorghum halepense Stem
1383036 jimsonweed Datura stramonium Stem
1391204 Brazilian vervain Verbena incompta Stem
1459050 catchweed bedstraw Galium aparine Stem
5437451 tall ironweed Vernonia gigantea
5437956 musk thistle Carduus nutans
5436704 bull thistle Cirsium vulgare
5438627 wild mustard Sinapis arvensis ssp. arvensis
5437452 tall ironweed Vernonia gigantea
5437454 tall ironweed Vernonia gigantea
5437455 tall ironweed Vernonia gigantea
5443348 smooth crabgrass Digitaria ischaemum seed stem
1459110 sulfur cinquefoil Potentilla recta Stem
2189041 Japanese knotweed Fallopia japonica Stem
1196062 meadow hawkweed Hieracium caespitosum Stem
1196101 ornamental jewelweed Impatiens glandulifera Stem
5439995 broadleaf signalgrass Urochloa platyphylla
5439996 broadleaf signalgrass Urochloa platyphylla
5439959 oneflowered broomrape Orobanche uniflora
5439955 apple-of-Peru Nicandra physalodes Leaves are alternate
5439950 apple-of-Peru Nicandra physalodes
5437057 cheatgrass Bromus tectorum
5436701 bull thistle Cirsium vulgare
5438322 false chamomile Tripleurospermum perforatum
5438324 false chamomile Tripleurospermum perforatum
5438266 red sorrel Rumex acetosella
5438189 purple loosestrife Lythrum salicaria
5438705 yellow nutsedge Cyperus esculentus
5438704 yellow nutsedge Cyperus esculentus
5438683 woolly cupgrass Eriochloa villosa
5438682 woolly cupgrass Eriochloa villosa
5438597 wild garlic Allium vineale
5438591 Queen Anne's lace, wild carrot Daucus carota
5438734 yellow rocket Barbarea vulgaris
5438454 spotted knapweed Centaurea stoebe
5438429 spiny sowthistle Sonchus asper
5438236 quackgrass Elymus repens
5438347 sorghum Sorghum bicolor
5438331 sericea lespedeza Lespedeza cuneata
5438311 false chamomile Tripleurospermum perforatum
5438312 false chamomile Tripleurospermum perforatum
5438286 redroot pigweed Amaranthus retroflexus
5438105 prickly lettuce Lactuca serriola
5438029 reed Phragmites spp.
5438004 Pennsylvania smartweed Polygonum pensylvanicum
5437955 musk thistle Carduus nutans
5438065 poison-hemlock Conium maculatum
5437983 Palmer amaranth Amaranthus palmeri
5437527 jimsonweed Datura stramonium
5437529 johnsongrass Sorghum halepense
5437873 mexicantea Dysphania ambrosioides
5437876 mile-a-minute weed Persicaria perfoliata
5436645 broadleaf plantain Plantago major
5436577 Asiatic dayflower Commelina communis
5436896 common sunflower Helianthus annuus
5436860 common milkweed Asclepias syriaca
5436836 lambsquarters Chenopodium album
5436644 broadleaf plantain Plantago major
5436809 common cocklebur Xanthium strumarium
5436718 burcucumber Sicyos angulatus
5437053 cheatgrass Bromus tectorum
5437572 Mexican fireweed Kochia scoparia
5437258 green foxtail Setaria viridis
5437237 goosegrass Eleusine indica
5437233 giant ragweed Ambrosia trifida
5437218 giant foxtail Setaria faberi
5437170 longspine sandbur Cenchrus longispinus
5437169 longspine sandbur Cenchrus longispinus
5437113 fall panicum Panicum dichotomiflorum
5437118 fall panicum Panicum dichotomiflorum
5437114 fall panicum Panicum dichotomiflorum
5437576 Korean lespedeza Kummerowia stipulacea
5437548 jointed goatgrass Aegilops cylindrica
5437541 johnsongrass Sorghum halepense
5437542 johnsongrass Sorghum halepense
5437354 hemp sesbania Sesbania exaltata
5437255 green foxtail Setaria viridis
5436522 annual bluegrass Poa annua
5436757 rye brome Bromus secalinus
5436627 bristly foxtail Setaria verticillata
5436656 brown knapweed Centaurea jacea
5436592 barnyardgrass Echinochloa crus-galli
5436659 brown knapweed Centaurea jacea
5436567 Asiatic dayflower Commelina communis
5436533 Italian ryegrass Festuca perennis
5436584 saltbush Atriplex spp.
5436586 saltbush Atriplex spp.
5436587 saltbush Atriplex spp.
5436570 Asiatic dayflower Commelina communis
5436572 Asiatic dayflower Commelina communis
5350085 Japanese hedgeparsley Torilis japonica
5434971 Cherokee rose Rosa laevigata invasive in this state
5434964 Cherokee rose Rosa laevigata thorns; invasive in this state
5434939 Macartney rose Rosa bracteata Thorns
5434759 thorny olive Elaeagnus pungens
5433980 crimson clover Trifolium incarnatum
5432639 golden bamboo Phyllostachys aurea spreading infestation
5345068 coco yam, wild taro Colocasia esculenta
1353057 black henbane Hyoscyamus niger
1196230 perennial sowthistle Sonchus arvensis
2149083 johnsongrass Sorghum halepense
2152029 vaseygrass Paspalum urvillei
2155017 Brazilian vervain Verbena incompta
2189040 Japanese knotweed Fallopia japonica
2152028 vaseygrass Paspalum urvillei Lower stem
5238088 American bugleweed Lycopus americanus
9005077 garlic mustard Alliaria petiolata stems in May
2152036 vaseygrass Paspalum urvillei
1237113 bull thistle Cirsium vulgare
5428753 Brazilian vervain Verbena incompta leaf attachment
1237111 tawny daylily Hemerocallis fulva Stem and bract
1459106 sulfur cinquefoil Potentilla recta
1196061 meadow hawkweed Hieracium caespitosum
2152037 vaseygrass Paspalum urvillei
5428744 paper-mulberry Broussonetia papyrifera
5428743 paper-mulberry Broussonetia papyrifera leaf attachment
5428741 paper-mulberry Broussonetia papyrifera
5428443 Amur peppervine Ampelopsis brevipedunculata
5428442 Amur peppervine Ampelopsis brevipedunculata
5428435 Amur peppervine Ampelopsis brevipedunculata young stems reddish
5428427 Amur peppervine Ampelopsis brevipedunculata
5428472 Oriental paperbush Edgeworthia chrysantha
5428473 Oriental paperbush Edgeworthia chrysantha
5428389 paper-mulberry Broussonetia papyrifera
5428387 paper-mulberry Broussonetia papyrifera
5427793 tree-of-heaven Ailanthus altissima leaf attachment
1380173 golden bamboo Phyllostachys aurea
5427334 oriental bittersweet Celastrus orbiculatus
5427336 oriental bittersweet Celastrus orbiculatus
5427337 oriental bittersweet Celastrus orbiculatus
5427338 oriental bittersweet Celastrus orbiculatus
5427331 oriental bittersweet Celastrus orbiculatus
5392866 ravennagrass Ripidium ravennae
5392867 ravennagrass Ripidium ravennae
5392868 ravennagrass Ripidium ravennae
5387107 foxtail pricklegrass Crypsis alopecuroides collar and sheath.
5387625 Himalaya blackberry Rubus armeniacus prickly and angled stem
5387620 fiddleleaf dock Rumex pulcher inflorescence with fruit.
5387585 marshpepper smartweed Polygonum hydropiper node with ocrea.
5387562 California cordgrass Spartina foliosa collar and sheath.
5387515 knotgrass Paspalum distichum collar and sheath.
5387472 early watergrass Echinochloa oryzoides collar and sheath, ligule lacking
5387462 rough barnyardgrass Echinochloa muricata collar and sheath.
5387468 late barnyard grass Echinochloa oryzicola collar and sheath, ligule lacking
5387396 leporinum barley Hordeum murinum ssp. leporinum collar and sheath.
5387354 southwestern cupgrass Eriochloa acuminata collar and sheath.
5387349 Mexican lovegrass Eragrostis mexicana ssp. virescens collar and sheath.
5387333 Mediterranean lovegrass Eragrostis barrelieri gland at base of inflorescence branches
5387334 Mediterranean lovegrass Eragrostis barrelieri collar and sheath.
5387328 desert lovegrass Eragrostis pectinacea var. miserrima collar and sheath.
5387302 threespike goosegrass Eleusine tristachya collar and sheath.
5387221 Australian fingergrass Chloris truncata collar and sheath.
5387190 weedy brome Bromus alopecuros ligule and collar.
5387193 Australian chess Bromus arenarius collar and sheath.
5387186 field brome Bromus arvensis collar and sheath.
5386564 hairy purslane speedwell Veronica peregrina ssp. xalapensis flowering stem.
5386542 broadleaf glandweed Parentucellia latifolia flowering stem.
5386389 royal larkspur Delphinium variegatum ssp. variegatum flower and fruiting stem.
5387634 arroyo willow Salix lasiolepis with stipules and whitish color on back of leaves
5387609 toothed dock Rumex dentatus flowering stem.
5387583 marshpepper smartweed Polygonum hydropiper flowering stem.
5386969 fringed willowherb Epilobium ciliatum ssp. ciliatum flowering stem.
5386970 fringed willowherb Epilobium ciliatum ssp. ciliatum flowering stem. Hairy form of the species.
5386840 vinegarweed Trichostema lanceolatum flowering stem.
5386801 roundleaf geranium Geranium rotundifolium flowering stem.
5386761 whitestem filaree Erodium moschatum leaf and fruiting stem.
5386778 dovefoot geranium Geranium molle flowering stem.
5386751 broadleaf filaree Erodium botrys flowering and fruiting stem.
5386724 juniper mistletoe Phoradendron juniperinum
5386697 California nettle Urtica dioica ssp. gracilis flowering stem.
5386700 burning nettle Urtica urens flowering stem.
5386609 manyflower tobacco Nicotiana acuminata var. multiflora flowering stem.
5386580 brightblue speedwell Veronica serpyllifolia ssp. humifusa fruiting stem.
5386572 germander speedwell Veronica chamaedrys flowering stem.
5387514 knotgrass Paspalum distichum Creeping stem of knotgrass
5386964 panicle willowherb Epilobium brachycarpum
5386693 stinging nettle Urtica dioica ssp. holosericea flowering stem.
5386495 yellow wall bedstraw Galium murale
5386496 yellow wall bedstraw Galium murale fruiting stem.
5386489 Lamarck's bedstraw Galium divaricatum
5386490 Lamarck's bedstraw Galium divaricatum fruiting stem.
5386480 wall bedstraw Galium parisiense flowering stem.
5386474 Pennsylvania blackberry Rubus pensilvanicus flowering stem.
5421933 coral ardisia Ardisia crenata
5422019 Japanese honeysuckle Lonicera japonica
5422006 crownvetch Securigera varia In Summer
5421993 kudzu Pueraria montana In July
5421990 johnsongrass Sorghum halepense In June
5421975 oriental bittersweet Celastrus orbiculatus In November
5421961 Chinese tallowtree Triadica sebifera In September
5421958 paper-mulberry Broussonetia papyrifera
5421956 Macartney rose Rosa bracteata In September
5421955 Macartney rose Rosa bracteata in September
5421951 Japanese spiraea Spiraea japonica In September
5421946 Japanese knotweed Fallopia japonica In September
5421941 Japanese knotweed Fallopia japonica In September
5421922 Chinese parasoltree Firmiana simplex In Deember
5408400 golden bamboo Phyllostachys aurea
5405654 African mustard Brassica tournefortii
5405657 African mustard Brassica tournefortii
5405646 giant reed Arundo donax
5405647 giant reed Arundo donax
5405650 giant reed Arundo donax
5407170 Asiatic bellflower Wahlenbergia marginata
5408385 Japanese climbing fern Lygodium japonicum
5408375 Japanese honeysuckle Lonicera japonica
5408373 Japanese honeysuckle Lonicera japonica
5408367 common chickweed Stellaria pallida
5408363 common chickweed Stellaria pallida
5408336 smallflower morningglory Jacquemontia tamnifolia
5408283 common mullein Verbascum thapsus winged stems
5408296 Brazilian vervain Verbena incompta axial branching
5408298 Brazilian vervain Verbena incompta leaf attachment
5404580 paper-mulberry Broussonetia papyrifera pubescent stems, petioles, leaves
5404579 paper-mulberry Broussonetia papyrifera pubescent stems, petioles, leaves
1559290 speedwell Veronica spp.
1555137 bur chervil Anthriscus caucalis
2136094 Japanese knotweed Fallopia japonica
5392474 reed canarygrass Phalaris arundinacea Close view
1555267 common comfrey Symphytum officinale
1551064 field horsetail Equisetum arvense
5392709 spiny cocklebur Xanthium spinosum Spiny branch
5392670 puncturevine Tribulus terrestris Sprawling stems
5392551 wine raspberry Rubus phoenicolasius Spiny branch
5392549 European blackberry Rubus fruticosus Spiny stems
5392418 pricklypear/cholla Opuntia spp. Stems
5392292 exotic bush honeysuckles Lonicera spp. Fruiting branch
5392266 broomleaf toadflax Linaria genistifolia Dormant stems
5392168 shamel ash Fraxinus uhdei Trunks
5392004 Italian plumeless thistle Carduus pycnocephalus A plant
5391914 giant reed Arundo donax Woody shoots!
5391907 giant reed Arundo donax Leaf sheaths
5391897 common burdock Arctium minus Flowering stalk
5391840 camelthorn Alhagi maurorum Closeup of stems
5391828 tree-of-heaven Ailanthus altissima Characteristic leaf scars
5391755 Hardee peppertree Schinus polygamus
5391736 multiflora rose Rosa multiflora
5391712 kikuyugrass Pennisetum clandestinum
5391713 kikuyugrass Pennisetum clandestinum
5391688 melaleuca Melaleuca quinquenervia
5391644 winged burning bush Euonymus alatus
5391641 winged burning bush Euonymus alatus cultivated plant
5391636 autumn-olive Elaeagnus umbellata
5391626 common teasel Dipsacus fullonum
5391627 common teasel Dipsacus fullonum
5391596 yellow starthistle Centaurea solstitialis
5391562 creeping bentgrass Agrostis stolonifera Grown by Tom Lanini
5391531 Chinese wisteria Wisteria sinensis Twining aroung golden bamboo
5391521 golden bamboo Phyllostachys aurea
5274083 cup rosinweed Silphium perfoliatum Cross-section of stem and clasping leaves
5273079 Canada bluegrass Poa compressa Cross-section of Compressed Stems
5387664 seashore vervain Verbena montevidensis stem with opposite leaves tapered at base.
5387659 tall vervain Verbena bonariensis stem with opposite leaves clasping stem at base.
5387580 ladysthumb Persicaria maculosa node with ocrea.
5387588 Pennsylvania smartweed Polygonum pensylvanicum node with ocrea.
5387579 ladysthumb Persicaria maculosa leaves and stem.
5387565 common cordgrass Spartina anglica collar and sheath.
5387366 tall fescue Festuca arundinacea collar and sheath.
5387209 field sandbur Cenchrus spinifex collar and sheath.
5387564 saltmeadow cordgrass Spartina patens collar and sheath.
5387559 denseflower cordgrass Spartina densiflora collar and sheath.
5387554 smooth cordgrass Spartina alterniflora collar and sheath.
5387536 rabbitfoot polypogon Polypogon monspeliensis collar and sheath.
5387523 bulbous canarygrass Phalaris aquatica collar and sheath.
5387503 ravennagrass Ripidium ravennae collar and sheath.
5387509 dallisgrass Paspalum dilatatum collar and sheath.
5387494 giant reed Arundo donax collar and sheath region.
5387457 barnyardgrass Echinochloa crus-galli collar and sheath, liogule lacking
5387425 nimblewill Muhlenbergia schreberi collar and sheath.
5387414 perennial ryegrass Lolium perenne collar and sheath.
5387420 poison ryegrass Lolium temulentum collar and sheath.
5387399 foxtail barley Hordeum jubatum collar and sheath.
5387385 common velvetgrass Holcus lanatus collar and sheath.
5387371 nit grass Gastridium phleoides collar and sheath.
5387380 tanglehead Heteropogon contortus collar and sheath.
5387359 prairie cupgrass Eriochloa contracta collars and sheaths.
5387344 Lehmann lovegrass Eragrostis lehmanniana collar and sheaths.
5387338 weeping lovegrass Eragrostis curvula tuft of hairs at base of inflorescence branches.
5387339 weeping lovegrass Eragrostis curvula collar and sheath.
5387323 little lovegrass Eragrostis minor collar and sheath.
5387318 stinkgrass Eragrostis cilianensis collar and sheath.
5387297 goosegrass Eleusine indica collar and sheath.
5387291 panic veldtgrass Ehrharta erecta collar and sheath.
5387286 perennial veldtgrass Ehrharta calycina collar and sheath.
5387275 large crabgrass Digitaria sanguinalis collar and sheath. Sheath often hairier.
5387266 orchardgrass Dactylis glomerata collar and sheath.
5387271 smooth crabgrass Digitaria ischaemum collar and sheath.
5387259 hedgehog dogtailgrass Cynosurus echinatus collar and sheath.
5387242 Chinese silvergrass Miscanthus sinensis collar and sheath.
5387254 saltgrass Distichlis spicata collar and sheath.
5387237 Uruguayan pampas grass Cortaderia selloana collar and sheath.
5387231 purple pampasgrass Cortaderia jubata collar and sheath.
5387226 crowfootgrass Dactyloctenium aegyptium collar and sheath.
5387213 longspine sandbur Cenchrus longispinus collar and sheath.
5387217 feather fingergrass Chloris virgata collar and sheath.
5387202 smooth brome Bromus inermis collar and sheath.
5387197 rattlesnake brome Bromus briziformis collar and sheath.
5387177 poverty brome Bromus sterilis collar and sheath.
5387181 soft brome Bromus hordeaceus collar and sheath.
5387165 cheatgrass Bromus tectorum collar and sheath.
5387159 ripgut brome Bromus diandrus collar and sheath.
5387152 rescuegrass Bromus catharticus collar and sheath.
5387143 big quakinggrass Briza maxima collar and sheath.
5387139 annual false-brome Brachypodium distachyon collar and sheath.
5387124 slender oat Avena barbata collar and sheath.
5387133 oat Avena sativa collar and sheath.
5387118 sweet vernalgrass Anthoxanthum odoratum collar and sheath with long ligule.
5387119 sweet vernalgrass Anthoxanthum odoratum collar and sheath with short ligule.
5387113 European beachgrass Ammophila arenaria collar and sheath.
5387099 meadow foxtail Alopecurus pratensis collar and sheath.
5387088 creeping bentgrass Agrostis stolonifera collar and sheath.
5387093 Pacific bentgrass Agrostis avenacea collar and sheath.
5387075 jointed goatgrass Aegilops cylindrica collar and sheath.
5387084 barb goatgrass Aegilops triuncialis collar and sheath.
5387074 jointed goatgrass Aegilops cylindrica embedded spikelets.
5386663 horsenettle Solanum carolinense stem with prickles.
5386475 catchweed bedstraw Galium aparine stems.
5386463 multiflora rose Rosa multiflora stem and prickles.
5386459 sweetbriar rose Rosa eglanteria stem with prickles.
5386448 slender cinquefoil Potentilla gracilis hairs on stem.
5386440 sulfur cinquefoil Potentilla recta hairs on stem.
5386348 Japanese knotweed Fallopia japonica stem with red mottling.
5386304 johnsongrass Sorghum halepense collar and sheath.
5386296 sorghum Sorghum bicolor collar and sheath.
5386277 yellow foxtail Setaria pumila collar and sheath.
5386282 green foxtail Setaria viridis collar and sheath.
5386291 bristly foxtail Setaria verticillata collar and sheath.
5386270 hardgrass Sclerochloa dura collar and sheath.
5386273 giant foxtail Setaria faberi collar and sheath.
5386266 common mediterraneangrass Schismus barbatus collar and sheath.
5386265 common mediterraneangrass Schismus barbatus base with some leaves lacking blades.
5386249 Canada bluegrass Poa compressa collar and sheath.
5386245 Kentucky bluegrass Poa pratensis collar and sheath.
5386226 smilograss Piptatherum miliaceum collar and sheath.
5386222 canarygrass Phalaris canariensis collar and sheath.
5386206 buffelgrass Pennisetum ciliare collar and sheath.
5386212 littleseed canarygrass Phalaris minor collar and sheath.
5386202 feathertop Pennisetum villosum collar and sheath.
5386197 crimson fountaingrass Pennisetum setaceum collar and sheath.
5386192 kikuyugrass Pennisetum clandestinum collar and sheath.
5386190 kikuyugrass Pennisetum clandestinum
5386180 fall panicum Panicum dichotomiflorum collar and sheath.
5386174 witchgrass Panicum capillare collar and sheath.
5386169 blue panicum Panicum antidotale collar and sheath
5386024 purple moonflower Ipomoea turbinata
5386023 purple moonflower Ipomoea turbinata
2307143 winter creeper Euonymus fortunei December
5078005 Mexican fireweed Kochia scoparia
2307219 golden bamboo Phyllostachys aurea July
0001072 golden bamboo Phyllostachys aurea planted but usually soon regretted, would be one of our worst weeds, except it seldom, if ever produces seeds
5374118 mat chaff-flower Alternanthera caracasana
5374191 poison-hemlock Conium maculatum
5379618 trifoliate orange Poncirus trifoliata May
5379583 musk thistle Carduus nutans June
5379546 Japanese barberry Berberis thunbergii April
5379543 Japanese barberry Berberis thunbergii thorns and stems in April
5379563 Japanese spiraea Spiraea japonica June
5379559 Japanese knotweed Fallopia japonica stem and leaves in July
1556468 joe pye weed Eupatoriadelphus spp.
1557115 tall lettuce Lactuca canadensis leaf attachment
5379494 alligatorweed Alternanthera philoxeroides upright stem
1562026 damesrocket Hesperis matronalis
1560168 white vervain Verbena urticifolia
1560161 white vervain Verbena urticifolia
1560150 blue vervain Verbena hastata
1560105 tree-of-heaven Ailanthus altissima
1560064 Canada thistle Cirsium arvense
1551205 Virginia-creeper Parthenocissus quinquefolia
1551139 poison-hemlock Conium maculatum
1551109 wirestem muhly Muhlenbergia frondosa
1550246 common mouse-ear chickweed Cerastium fontanum
1550227 common pokeweed Phytolacca americana
1550222 wild four-o'clock Mirabilis nyctaginea
1550211 red sorrel Rumex acetosella
1550210 red sorrel Rumex acetosella
1550117 asparagus Asparagus officinalis
1550111 asparagus Asparagus officinalis
1550033 reed canarygrass Phalaris arundinacea
1550022 broomsedge bluestem Andropogon virginicus
1550014 smooth brome Bromus inermis
1550012 smooth brome Bromus inermis
1550009 field horsetail Equisetum arvense
1550007 field horsetail Equisetum arvense
1559368 touch-me-not Impatiens spp.
1559369 touch-me-not Impatiens spp.
1559341 staghorn sumac Rhus typhina
1559342 staghorn sumac Rhus typhina
1559337 staghorn sumac Rhus typhina
1559338 staghorn sumac Rhus typhina
1559253 red sorrel Rumex acetosella ocrea
1559225 water knotweed Polygonum amphibium
1559170 scouringrush Equisetum hyemale
1559162 scouringrush Equisetum hyemale
1559146 western salsify Tragopogon dubius
1559114 multiflora rose Rosa multiflora
1559105 multiflora rose Rosa multiflora
1559101 multiflora rose Rosa multiflora
1559098 multiflora rose Rosa multiflora
5362813 Mexican fireweed Kochia scoparia Close-up view of the green stem of kochia (Kochia scoparia).
5361308 Mexican fireweed Kochia scoparia Close-up view of the red stem of kochia (Kochia scoparia).
5342066 yellow nutsedge Cyperus esculentus Triangular stem
1557498 hedge mustard Sisymbrium officinale
1557450 common mullein Verbascum thapsus top of stem/leaves
1557426 white mulberry Morus alba
1557395 wirestem muhly Muhlenbergia frondosa
1557390 mugwort Artemisia vulgaris
1557385 mugwort Artemisia vulgaris stipules
1557206 musk mallow Malva moschata base of the plant
1559008 quackgrass Elymus repens
1559006 quackgrass Elymus repens stem and leaf base
1558303 common pokeweed Phytolacca americana
1558304 common pokeweed Phytolacca americana
1558301 common pokeweed Phytolacca americana old stem
1558299 common pokeweed Phytolacca americana
1558267 eastern poison-ivy Toxicodendron radicans
1558252 eastern poison-ivy Toxicodendron radicans
1558233 poison-hemlock Conium maculatum purple mottled stem
1558150 wild parsnip Pastinaca sativa
1558039 bittersweet nightshade Solanum dulcamara
1558015 European stinging nettle Urtica dioica ssp. dioica urticating hairs
1558011 European stinging nettle Urtica dioica ssp. dioica urticating hairs
1558003 European stinging nettle Urtica dioica ssp. dioica in flower
1557036 Japanese knotweed Fallopia japonica
1557035 Japanese knotweed Fallopia japonica
1556477 johnsongrass Sorghum halepense at leaf axil
1556419 ground ivy Glechoma hederacea
1556145 wild garlic Allium vineale
1556146 wild garlic Allium vineale
1556109 wild four-o'clock Mirabilis nyctaginea
1556091 wild four-o'clock Mirabilis nyctaginea
1556064 tall fescue Festuca arundinacea
1556033 common evening-primrose Oenothera biennis
1556034 common evening-primrose Oenothera biennis
1555293 crownvetch Securigera varia
1555266 common comfrey Symphytum officinale
1555169 big chickweed Cerastium fontanum ssp. vulgare
1555158 common chickweed Stellaria pallida
1555134 wild chervil Anthriscus sylvestris
1555090 catnip Nepeta cataria
1555084 wild carrot Daucus carota ssp. carota fall color
1555044 reed canarygrass Phalaris arundinacea
1555043 reed canarygrass Phalaris arundinacea
1553239 goatsbeard Tragopogon spp. milky sap
1553233 mugwort Artemisia vulgaris
1553206 spotted joe pye weed Eupatoriadelphus maculatus
1553199 hawkweeds Hieracium spp.
1553192 goldenrod Solidago spp.
1553128 hairy white oldfield aster Symphyotrichum pilosum var. pilosum
1553125 Jerusalem artichoke Helianthus tuberosus
1553115 lobelia/cardinalflower Lobelia spp.
1553101 Tatarian honeysuckle Lonicera tatarica
1553048 blackseed plantain Plantago rugelii
5355100 perilla mint Perilla frutescens
1552332 catnip Nepeta cataria
1552323 white vervain Verbena urticifolia
1552316 blue vervain Verbena hastata
1552317 blue vervain Verbena hastata
1552309 common comfrey Symphytum officinale
1552261 swamp milkweed Asclepias incarnata
1552223 poison-hemlock Conium maculatum
1552216 wild parsnip Pastinaca sativa
1552213 Queen Anne's lace, wild carrot Daucus carota fall color
1552195 evening-primrose Oenothera spp.
1552173 musk mallow Malva moschata
1552167 musk mallow Malva moschata
1552114 eastern poison-ivy Toxicodendron radicans
1552233 hemp dogbane Apocynum cannabinum
1554176 bouncingbet Saponaria officinalis
1554163 boneset Eupatorium perfoliatum pubescence
1554033 asparagus Asparagus officinalis
1554018 Jerusalem artichoke Helianthus tuberosus
1554016 Jerusalem artichoke Helianthus tuberosus
1554003 apple-of-Peru Nicandra physalodes
1551168 smooth sumac Rhus glabra
1551015 chicory Cichorium intybus
1550181 Japanese knotweed Fallopia japonica
1539036 chocolate vine Akebia quinata
1539037 chocolate vine Akebia quinata
1539044 Japanese knotweed Fallopia japonica
1539046 Japanese knotweed Fallopia japonica
1539048 Japanese knotweed Fallopia japonica
1539060 Japanese spiraea Spiraea japonica
1539064 tungoil tree Vernicia fordii
1539067 tungoil tree Vernicia fordii
1539071 glossy buckthorn Frangula alnus
1539078 camphortree Cinnamomum camphora
1539079 camphortree Cinnamomum camphora
1539080 camphortree Cinnamomum camphora
1539098 trifoliate orange Poncirus trifoliata
5330021 bull cottonthistle Onopordum tauricum
5292026 tree-of-heaven Ailanthus altissima
5274060 wine raspberry Rubus phoenicolasius
5271086 Japanese knotweed Fallopia japonica Stems Emerging in April
5272019 giant hogweed Heracleum mantegazzianum
5256068 velvetleaf Abutilon theophrasti

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