| Subject |
Number of Images |
| common bean
- Phaseolus vulgaris
L. |
587 |
| southern pine beetle
- Dendroctonus frontalis
Zimmermann, 1868 |
538 |
| gypsy moth
- Lymantria dispar
(Linnaeus) |
482 |
| fire
|
444 |
| garden onion
- Allium cepa
L. |
385 |
| snow, ice, frost, cold, winter injury
|
342 |
| herbicides
|
336 |
| rose
- Rosa spp.
L. |
282 |
| mountain pine beetle
- Dendroctonus ponderosae
Hopkins |
268 |
| cogongrass
- Imperata cylindrica
(L.) Beauv. |
263 |
| pesticides
|
250 |
| corn
- Zea mays
L. |
222 |
| apple and crabapple
- Malus spp.
P. Mill. |
217 |
| longleaf pine
- Pinus palustris
P. Mill. |
212 |
| azalea/rhododendron
- Rhododendron spp.
L. |
197 |
| mule deer
- Odocoileus hemionus
Rafinesque |
189 |
| emerald ash borer
- Agrilus planipennis
Fairmaire |
188 |
| bighorn sheep
- Ovis canadensis
Shaw |
185 |
| Asian long-horned beetle
- Anoplophora glabripennis
(Motschulsky) |
174 |
| white pine blister rust
- Cronartium ribicola
J. C. Fisch. |
172 |
| European spruce bark beetle
- Ips typographus
(Linnaeus) |
165 |
| honey bee
- Apis mellifera
Linnaeus |
165 |
| potato
- Solanum tuberosum
L. |
159 |
| kudzu
- Pueraria montana
(Lour.) Merr. |
159 |
| oak wilt
- Ceratocystis fagacearum
(T. W. Bretz) J. Hunt |
157 |
| common wheat
- Triticum aestivum
L. |
154 |
| sudden oak death
- Phytophthora ramorum
S. Werres, A.W.A.M. de Cock |
152 |
| annosum root disease
- Heterobasidion annosum
(Fr) Bref. |
152 |
| daylily rust
- Puccinia hemerocallidis
Thüm. |
145 |
| melaleuca
- Melaleuca quinquenervia
(Cav.) Blake |
143 |
| forest tent caterpillar
- Malacosoma disstria
Hübner |
141 |
| tree of heaven
- Ailanthus altissima
(P. Mill.) Swingle |
137 |
| oriental bittersweet
- Celastrus orbiculatus
Thunb. |
136 |
| spruce beetle
- Dendroctonus rufipennis
(Kirby) |
133 |
| bollworm
- Helicoverpa zea
(Boddie) |
132 |
| Japanese knotweed
- Polygonum cuspidatum
Sieb. & Zucc. |
131 |
| nun moth
- Lymantria monacha
(Linnaeus) |
127 |
| garlic mustard
- Alliaria petiolata
(Bieb.) Cavara & Grande |
125 |
| Iris Yellow Spot Virus
- Tospovirus IYSV
|
123 |
| crown gall
- Agrobacterium tumefaciens
(E. F. Smith & Town.) |
122 |
| tropical soda apple
- Solanum viarum
Dunal |
121 |
| Canada thistle
- Cirsium arvense
(L.) Scop. |
121 |
| 2007 Georgia wildfires
|
117 |
| elk
- Cervus elaphus
Linnaeus |
115 |
| hemlock woolly adelgid
- Adelges tsugae
Annand |
113 |
| Rhizoctonia damping-off and rot
- Rhizoctonia solani
J.G. Kühn |
113 |
| Armillaria root rots
- Armillaria spp.
(Fr.:Fr) Staude |
113 |
| quaking aspen
- Populus tremuloides
Michx. |
111 |
| Rust
- Uromyces appendiculatus
F. Strauss |
110 |
| cactus moth
- Cactoblastis cactorum
(Berg) |
108 |
| late blight
- Phytophthora infestans
(Mont.) de Bary |
106 |
| old world climbing fern
- Lygodium microphyllum
(Cav.) R. Br. |
105 |
| johnsongrass
- Sorghum halepense
(L.) Pers. |
104 |
| cattle
- Bos spp.
|
102 |
| people
|
101 |
| spotted knapweed
- Centaurea stoebe ssp. micranthos
(Gugler) Hayek |
100 |
| musk thistle
- Carduus nutans
L. |
98 |
| Laysan albatross
- Phoebastria immutabilis
(Rothschild, 1893) |
97 |
| shelterwood
|
96 |
| pronghorn antelope
- Antilocapra americana
(Ord, 1815) |
95 |
| Compartmentalization Of Decay In Trees (CODIT)
|
94 |
| purple loosestrife
- Lythrum salicaria
L. |
93 |
| Diplodia blight
- Sphaeropsis sapinea
(Fr.) Dyko & B. Sutton |
93 |
| Chinese tallowtree
- Triadica sebifera
(L.) Small |
93 |
| fire blight
- Erwinia amylovora
(Burrill) Winslow . |
92 |
| chemicals
|
91 |
| Japanese honeysuckle
- Lonicera japonica
Thunb. |
90 |
| bull thistle
- Cirsium vulgare
(Savi) Ten. |
89 |
| Douglas-fir beetle
- Dendroctonus pseudotsugae
Hopkins |
89 |
| fusiform rust
- Cronartium quercuum f.sp. fusiforme
(Hedgc. & N. Hunt) Burdsall & G. Snow |
88 |
| planting
|
88 |
| early blight
- Alternaria solani
Sorauer |
88 |
| western spruce budworm
- Choristoneura occidentalis
Freeman |
88 |
| douglas-fir tussock moth
- Orgyia pseudotsugata
(McDunnough) |
88 |
| fall webworm
- Hyphantria cunea
(Drury) |
87 |
| white pine weevil
- Pissodes strobi
(Peck) |
86 |
| leafy spurge
- Euphorbia esula
L. |
86 |
| Japanese climbing fern
- Lygodium japonicum
(Thunb. ex Murr.) Sw. |
86 |
| Chinese wisteria
- Wisteria sinensis
(Sims) DC. |
85 |
| Burmese python
- Python molurus ssp. bivittatus
Kuhl, 1820 |
84 |
| common pine shoot beetle
- Tomicus piniperda
(Linnaeus) |
82 |
| six-toothed spruce bark beetle
- Pityogenes chalcographus
(Linnaeus) |
82 |
| littleleaf disease
- Phytophthora cinnamomi
Rands |
82 |
| cedar-apple rust
- Gymnosporangium juniperi-virginianae
Schwein. |
81 |
| hail
|
81 |
| Pruning
|
81 |
| eastern tent caterpillar
- Malacosoma americanum
(Fabricius) |
81 |
| southern blight
- Athelia rolfsii
(Curzi) C.C. Tu & Kimbr. |
81 |
| gray mold
- Botrytis cinerea
Pers.:Fr |
80 |
| black locust
- Robinia pseudoacacia
L. |
80 |
| Sirex woodwasp
- Sirex noctilio
Fabricius |
79 |
| alfalfa
- Medicago sativa
L. |
79 |
| monarch butterfly
- Danaus plexippus
(Linnaeus) |
78 |
| six-spined engraver beetle
- Ips sexdentatus
(Boerner) |
78 |
| boxelder
- Acer negundo
L. |
78 |
| Tomato Spotted Wilt Virus
- Tospovirus TSWV
|
78 |
| Sclerotinia rot
- Sclerotinia sclerotiorum
(Lib.) de Bary |
78 |
| field bindweed
- Convolvulus arvensis
L. |
77 |
| English ivy
- Hedera helix
L. |
77 |
| Brazilian peppertree
- Schinus terebinthifolius
Raddi |
77 |
| Dutch elm disease
- Ophiostoma ulmi
(Buisman) Nannf. |
77 |
| bagworm
- Thyridopteryx ephemeraeformis
(Haworth) |
77 |
| mountains
|
76 |
| Australian pine
- Casuarina equisetifolia
L. |
76 |
| karner blue
- Lycaeides melissa
(W.H. Edwards) |
75 |
| red oak borer
- Enaphalodes rufulus
(Haldeman) |
75 |
| common mullein
- Verbascum thapsus
L. |
74 |
| prickly lettuce
- Lactuca serriola
L. |
74 |
| pine and spruce engraver beetles
- Ips spp.
De Geer, 1775 |
74 |
| pesticide safety
|
73 |
| Japanese beetle
- Popillia japonica
Newman |
72 |
| ponderosa pine
- Pinus ponderosa
P.& C. Lawson |
72 |
| clearcut
|
72 |
| multiflora rose
- Rosa multiflora
Thunb. ex Murr. |
72 |
| harvesting
|
71 |
| southern green stink bug
- Nezara viridula
(Linnaeus) |
71 |
| common blight of bean
- Xanthomonas campestris pv. phaseoli
|
71 |
| balsam woolly adelgid
- Adelges piceae
(Ratzeburg) |
70 |
| beach vitex
- Vitex rotundifolia
L. f. |
70 |
| aspen/poplar
- Populus spp.
L. |
70 |
| giant hogweed
- Heracleum mantegazzianum
Sommier & Levier |
70 |
| cone worms
- Dioryctria spp.
Zeller |
69 |
| fall armyworm
- Spodoptera frugiperda
(J.E. Smith) |
69 |
| red maple
- Acer rubrum
L. |
68 |
| waterhyacinth
- Eichhornia crassipes
(Mart.) Solms |
68 |
| yellow starthistle
- Centaurea solstitialis
L. |
67 |
| Xanthomonas leaf blight of onion
- Xanthomonas axonopodis pv. allii
(Dowson) |
67 |
| wind
|
66 |
| oxeye daisy
- Leucanthemum vulgare
Lam. |
66 |
| chinaberry
- Melia azedarach
L. |
66 |
| eastern poison ivy
- Toxicodendron radicans
(L.)Kuntze |
65 |
| African Elephant
- Loxodonta africana
Blumenbach |
65 |
| Sirococcus blight of conifers
- Sirococcus conigenus
(DC.) P. Cannon & Minter |
65 |
| American pokeweed
- Phytolacca americana
L. |
65 |
| thinning
|
65 |
| Nepalese browntop
- Microstegium vimineum
(Trin.) A. Camus |
64 |
| western tent caterpillar
- Malacosoma californicum
(Packard) |
64 |
| eastern tiger swallowtail
- Papilio glaucus
Linnaeus |
64 |
| redheaded pine sawfly
- Neodiprion lecontei
(Fitch) |
64 |
| black turpentine beetle
- Dendroctonus terebrans
(Olivier) |
64 |
| lightning
|
62 |
| Asian gypsy moth
- Lymantria dispar dispar
(Linnaeus) |
62 |
| yellow nutsedge
- Cyperus esculentus
L. |
62 |
| velvetleaf
- Abutilon theophrasti
Medik |
62 |
| dwarf mistletoes
- Arceuthobium spp.
Bieb. |
61 |
| cotton
- Gossypium hirsutum
L. |
61 |
| sooty tern
- Sterna fuscata
Linnaeus, 1766 |
61 |
| yellow toadflax
- Linaria vulgaris
P. Mill. |
60 |
| walnut caterpillar
- Datana integerrima
Grote & Robinson |
60 |
| butterfly milkweed
- Asclepias tuberosa
L. |
60 |
| cooley spruce gall adelgid
- Adelges cooleyi
(Gillette) |
60 |
| mimosa
- Albizia julibrissin
Durazz. |
59 |
| lady beetle
|
59 |
| red imported fire ant
- Solenopsis invicta
Buren |
59 |
| dodder
- Cuscuta spp.
L. |
59 |
| irrigation
|
59 |
| rosy gypsy moth
- Lymantria mathura
Moore |
59 |
| aphids
|
58 |
| Scleroderris canker of pine and spruce
- Gremmeniella abietina
(Lagerb.) M. Morelet |
58 |
| reed canarygrass
- Phalaris arundinacea
L. |
57 |
| gulf fritillary
- Agraulis vanillae
(Linnaeus) |
57 |
| bacterial brown spot
- Pseudomonas syringae pv. syringae
van Hall 1902 |
56 |
| pitch canker
- Fusarium subglutinans
(Wollenweb. & Reinking) P. E. Nelson, T. A. Toussoun, & Marasas |
56 |
| apple
- Malus domestica
Borkh. |
56 |
| periodical cicada
- Magicicada septendecim
(Linnaeus) |
56 |
| nutrient deficiency
|
56 |
| cheatgrass
- Bromus tectorum
L. |
56 |
| Colorado potato beetle
- Leptinotarsa decemlineata
(Say) |
56 |
| Norway maple
- Acer platanoides
L. |
56 |
| rivers and streams
|
55 |
| beefsteakplant
- Perilla frutesceus
(L.) Britt. |
55 |
| bladder campion
- Silene latifolia alba
(P. Mill.) Greuter & Burdet |
55 |
| brown spot needle blight of pine
- Mycosphaerella dearnessii
M.E. Barr |
55 |
| steelblue jewel beetle
- Melanophila cyanea
(Fabricius) |
55 |
| lion
- Panthera leo
Linnaeus |
55 |
| soybean
- Glycine max
(L.) Merr. |
54 |
| northern corn leaf blight
- Setosphaeria turcica
(Luttr.) K.J. Leonard & Suggs |
54 |
| northern red oak
- Quercus rubra
L. |
54 |
| multicolored Asian lady beetle
- Harmonia axyridis
(Pallas) |
53 |
| cottonwood leaf beetle
- Chrysomela scripta
Fabricius |
53 |
| sundial lupine
- Lupinus perennis
L. |
53 |
| mechanical
|
53 |
| spruce budworm
- Choristoneura fumiferana
(Clemens) |
53 |
| smaller European elm bark beetle
- Scolytus multistriatus
(Marsham) |
53 |
| common yarrow
- Achillea millefolium
L. |
53 |
| bark beetles
|
52 |
| Indianhemp
- Apocynum cannabinum
L. |
52 |
| coco yam, wild taro
- Colocasia esculenta
(L.) Schott |
52 |
| yellow potato cyst nematode
- Globodera rostochiensis
(Wollenweber) Behrens |
52 |
| leaf rolling weevil
- Homoeolabus analis
(Iliger) |
52 |
| Jerusalem artichoke
- Helianthus tuberosus
L. |
52 |
| Chinese privet
- Ligustrum sinense
Lour. |
52 |
| charcoal rot
- Macrophomina phaseolina
(Tassi) Goidanich |
52 |
| periodical cicada
- Magicicada spp.
Davis, 1925 |
52 |
| giant reed
- Arundo donax
L. |
52 |
| gorse
- Ulex europaeus
L. |
51 |
| puncturevine
- Tribulus terrestris
L. |
51 |
| grasshoppers
|
51 |
| pinyon blister rust
- Cronartium occidentale
Hedgc., Bethel, & N. Hunt |
51 |
| comandra blister rust
- Cronartium comandrae
Peck |
50 |
| Dyer's woad
- Isatis tinctoria
L. |
50 |
| catalpa sphinx
- Ceratomia catalpae
(Boisduval) |
50 |
| American alligator
- Alligator mississippiensis
Daudin |
50 |
| American dwarf mistletoe
- Arceuthobium americanum
Nutt. ex Engelm. |
50 |
| princesstree
- Paulownia tomentosa
(Thunb.) Sieb. & Zucc. ex Steud. |
49 |
| Texas leafcutting ant
- Atta texana
(Buckley) |
49 |
| common dandelion
- Taraxacum officinale
G.H. Weber ex Wiggers |
49 |
| tobacco splitworm
- Phthorimaea operculella
(Zeller) |
49 |
| Eastern Arc Mountains
|
49 |
| Callery pear (Bradford pear)
- Pyrus calleryana
Dcne. |
49 |
| small broomrape
- Orobanche minor
Smith |
49 |
| common St. Johnswort
- Hypericum perforatum
L. |
49 |
| Decay
|
49 |
| coltsfoot
- Tussilago farfara
L. |
49 |
| alligatorweed
- Alternanthera philoxeroides
(Mart.) Griseb. |
49 |
| Mexican fireweed
- Bassia scoparia
(L.) A.J. Scott |
49 |
| leaf spot
- Passalora sequoiae
(Ellis & Everh.) Y.L. Guo & W.H. Hsieh |
48 |
| porcupine
- Erethizon dorsatum
Linnaeus |
48 |
| poison hemlock
- Conium maculatum
L. |
48 |
| bermudagrass
- Cynodon dactylon
(L.) Pers |
48 |
| shoebutton ardisia
- Ardisia elliptica
Thunb |
48 |
| European corn borer
- Ostrinia nubilalis
(Hubner) |
48 |
| loblolly pine
- Pinus taeda
L. |
47 |
| black henbane
- Hyoscyamus niger
L. |
47 |
| American beaver
- Castor canadensis
Frazier |
47 |
| jimsonweed
- Datura stramonium
L |
47 |
| air pollutants
|
47 |
| red turpentine beetle
- Dendroctonus valens
LeConte |
47 |
| Russian olive
- Elaeagnus angustifolia
L. |
47 |
| quackgrass
- Elymus repens
(L.) Gould |
47 |
| black rot
- Guignardia bidwellii
(Ellis) Viala & Ravaz |
47 |
| autumn olive
- Elaeagnus umbellata
Thunb. |
46 |
| artist's conk
- Ganoderma applanatum
(Pers.) Pat. |
46 |
| lantana
- Lantana camara
L. |
46 |
| American bison
- Bos bison
Linnaeus |
46 |
| imported cabbageworm
- Pieris rapae
(Linnaeus) |
46 |
| roads and trails
|
46 |
| Botryosphaeria canker
- Botryosphaeria dothidea
(Moug.:Fr.) Ces. & De Not. |
46 |
| tobacco budworm
- Heliothis virescens
(Fabricius) |
45 |
| tall fescue
- Schedonorus phoenix
(Scop.) Holub |
45 |
| common reed
- Phragmites australis
(Cav.) Trin. ex Steud. |
45 |
| browntail moth
- Euproctis chrysorrhoea
(Linnaeus) |
45 |
| Chinese silvergrass
- Miscanthus sinensis
Anderss. |
45 |
| Human caused injury
|
45 |
| black shank
- Phytophthora nicotianae
Breda de Haan |
45 |
| chokecherry
- Prunus virginiana
L. |
45 |
| white heartwood rot
- Phellinus tremulae
(Bondartsev) Bondartsev & Borisov in Bondartsev |
45 |
| Schweinitzii root and butt disease
- Phaeolus schweinitzii
(Fr.) Pat. |
45 |
| common mallow
- Malva neglecta
Wallr. |
45 |
| Tobacco Etch Virus
- Potyvirus TEV
|
45 |
| Japanese dodder
- Cuscuta japonica
Choisy |
44 |
| perennial sowthistle
- Sonchus arvensis
L. |
44 |
| nursery operations
|
44 |
| convergent lady beetle
- Hippodamia convergens
Guerin-Meneville |
44 |
| common beet
- Beta vulgaris
L. |
44 |
| trumpet creeper
- Campsis radicans
(L.) Seem. ex Bureau |
44 |
| skunk vine
- Paederia foetida
L. |
44 |
| sulfur shelf
- Laetiporus sulphureus
(Bull.) Bondartsev & Singer |
44 |
| European pine shoot moth
- Rhyacionia buoliana
(Denis & Schiffermuller) |
44 |
| hoary cress
- Cardaria draba
(L.) Desv |
44 |
| citrus canker
- Xanthomonas axonopodis pv. citri
(Hasse) Vauterin et al. 1995 |
44 |
| Tanzania
|
44 |
| white mulberry
- Morus alba
L. |
44 |
| large larch bark beetle
- Ips cembrae
(Heer) |
43 |
| peach
- Prunus persica
(L.) Batsch |
43 |
| Cytospora cankers
- Cytospora spp.
Ehrenb. |
43 |
| smooth sumac
- Rhus glabra
L. |
43 |
| engraver beetle
- Ips acuminatus
(Gyllenhal) |
43 |
| black widow spider
- Latrodectus mactans
(Fabricius) |
43 |
| lesser burrdock
- Arctium minus
Bernh. |
43 |
| bitter rot
- Colletotrichum gloeosporioides
(Penz.) Penz. & Sacc. |
43 |
| ornamental jewelweed
- Impatiens glandulifera
Royle |
43 |
| western gall rust
- Endocronartium harknessii
Hirats. |
43 |
| yellow sweetclover
- Melilotus officinalis
(L.) Lam. |
43 |
| polyphemus moth
- Antheraea polyphemus
(Cramer) |
43 |
| pecan weevil
- Curculio caryae
(Horn) |
43 |
| pine engraver
- Ips pini
(Say) |
43 |
| old house borer
- Hylotrupes bajulus
(Linnaeus) |
42 |
| sunscald
|
42 |
| watermoss
- Salvinia spp.
Séguier |
42 |
| red sorrel
- Rumex acetosella
L. |
42 |
| sour orange scab
- Elsinoë fawcettii
Bitanc. & Jenkins |
42 |
| Southern bacterial wilt
- Ralstonia solanacearum
(Smith) Yabuuchi et al. |
42 |
| pine wilt nematode
- Bursaphelenchus xylophilus
(Steiner & Buhrer) Nickle |
42 |
| larch casebearer
- Coleophora laricella
(Hubner) |
42 |
| Virginia creeper
- Parthenocissus quinquefolia
(L.) Planch. |
42 |
| fir engraver
- Scolytus ventralis
LeConte |
42 |
| European pine sawfly
- Neodiprion sertifer
(Geoffroy) |
42 |
| checkered beetle
- Thanasimus dubius
(Fabricius) |
42 |
| butterflies, moths or skippers
|
41 |
| orange hawkweed
- Hieracium aurantiacum
L. |
41 |
| eastern fivespined ips
- Ips grandicollis
(Eichhoff) |
41 |
| Tatarian honeysuckle
- Lonicera tatarica
L. |
41 |
| trees
|
41 |
| pine processionary moth
- Thaumetopoea pityocampa
(Denis & Schiffermuller) |
41 |
| soil & water
|
41 |
| Benghal dayflower
- Commelina benghalensis
L. |
41 |
| riverine mangrove ecosystem
|
41 |
| Root lifting, soil heaving, and windthrow
|
41 |
| grizzly bear
- Ursus arctos
Linnaeus |
41 |
| eastern redbud
- Cercis canadensis
Linnaeus |
41 |
| Queen Anne's lace, wild carrot
- Daucus carota
L. |
41 |
| pine needle cast
- Lophodermium pinastri
(Schrad.) Chevall. |
40 |
| Catawba rosebay
- Rhododendron catawbiense
Michx. |
40 |
| luna moth
- Actias luna
(Linnaeus) |
40 |
| Russian-thistle
- Salsola tragus
L. |
40 |
| twig girdler
- Oncideres cingulata
(Say) |
40 |
| Drought
|
40 |
| hickory horned devil
- Citheronia regalis
(Fabricius) |
40 |
| Pine-tree lappet
- Dendrolimus pini
(Linnaeus) |
40 |
| imbedded objects
|
40 |
| silvery lupine
- Lupinus argenteus
Pursh |
40 |
| blue mold
- Peronospora tabacina
D.B. Adam |
39 |
| bronze birch borer
- Agrilus anxius
Gory |
39 |
| small hive beetle
- Aethina tumida
Murray |
39 |
| diamondback moth
- Plutella xylostella
(Linnaeus) |
39 |
| western pine beetle
- Dendroctonus brevicomis
LeConte |
39 |
| building
|
39 |
| citrus psyllid
- Diaphorina citri
Kuwayama |
39 |
| common tansy
- Tanacetum vulgare
L. |
39 |
| heartleaf four o'clock
- Mirabilis nyctaginea
(Michx.) MacM. |
38 |
| Bean Common Mosaic Virus
- Potyvirus BCMV
|
38 |
| white oak
- Quercus alba
L. |
38 |
| processing/manufacturing
|
38 |
| wine grape
- Vitis vinifera
L. |
38 |
| common milkweed
- Asclepias syriaca
L. |
38 |
| Eutypella canker
- Eutypella parasitica
R. W. Davidson & Lorentz |
38 |
| silver fir bark beetle
- Pityokteines curvidens
(Germar) |
38 |
| western brackenfern
- Pteridium aquilinum
(L.) Kuhn |
38 |
| large brown trunk beetle
- Hylobius abietis
(Linnaeus) |
38 |
| bald eagle
- Haliaeetus leucocephalus
|
38 |
| false codling moth
- Thaumatotibia leucotreta
(Meyrick) |
38 |
| giant salvinia
- Salvinia molesta
D. S. Mitchell |
38 |
| chicory
- Cichorium intybus
L. |
38 |
| winged yam
- Dioscorea alata
L. |
38 |
| common plantain
- Plantago major
L. |
38 |
| octopus tree
- Schefflera actinophylla
(Endl.) H.A.T. Harms |
37 |
| baldcypress
- Taxodium distichum
(L.) L.C. Rich. |
37 |
| selection
|
37 |
| plains pricklypear
- Opuntia polyacantha
Haw. |
37 |
| Engelmann spruce
- Picea engelmannii
Parry ex Engelm. |
37 |
| Douglas-fir
- Pseudotsuga menziesii
(Mirbel) Franco |
37 |
| black spot
- Diplocarpon rosae
F.A. Wolf |
37 |
| apple scab
- Venturia inaequalis
(Cooke) G. Wint. |
37 |
| common elderberry
- Sambucus nigra canadensis
(L.) R. Bolli |
37 |
| tansy ragwort
- Senecio jacobaea
L. |
37 |
| water knotweed
- Polygonum amphibium
L. |
37 |
| release treatments
|
37 |
| Scots pine
- Pinus sylvestris
L. |
37 |
| field pennycress
- Thlaspi arvense
L. |
37 |
| showy draba
- Draba spectabilis
Greene |
37 |
| honeylocust
- Gleditsia triacanthos
L. |
37 |
| beet armyworm
- Spodoptera exigua
(Hubner) |
37 |
| wild parsnip
- Pastinaca sativa
L. |
37 |
| syrphid or flower flies
|
36 |
| pine needle scale
- Chionaspis pinifoliae
(Fitch) |
36 |
| mantids
|
36 |
| birdsfoot trefoil
- Lotus corniculatus
L. |
36 |
| common sunflower
- Helianthus annuus
L. |
36 |
| black-eyed susan
- Rudbeckia hirta
L. |
36 |
| black cherry
- Prunus serotina
Ehrh. |
36 |
| Jeffery pine beetle
- Dendroctonus jeffreyi
Hopkins |
36 |
| black knot
- Apiosporina morbosa
(Schwein.:Fr.) Arx |
36 |
| swamp milkweed
- Asclepias incarnata
L. |
36 |
| shepherd's purse
- Capsella bursa-pastoris
(L.) Medik. |
36 |
| cutworms, loopers, owlet moths, and underwings
|
36 |
| ground ivy
- Glechoma hederacea
L. |
36 |
| yellow salsify
- Tragopogon dubius
Scop. |
36 |
| common buckthorn
- Rhamnus cathartica
L. |
36 |
| white-tailed deer
- Odocoileus virginianus
Zimmermann |
36 |
| variable oakleaf caterpillar
- Lochmaeus manteo
Doubleday |
36 |
| bacterial soft rot
- Dickeya chrysanthemi
(Burkholder et al. 1953) Samson et al. 2005 |
36 |
| curly dock
- Rumex crispus
L. |
36 |
| pepper
- Capsicum spp.
L. |
35 |
| stink bugs
|
35 |
| bouncingbet
- Saponaria officinalis
L. |
35 |
| pecan
- Carya illinoensis
(Wangenh.) K. Koch |
35 |
| squash bug
- Anasa tristis
(De Geer) |
35 |
| Mexican bean beetle
- Epilachna varivestis
Mulsant |
35 |
| common cocklebur
- Xanthium strumarium
L. |
35 |
| redbay ambrosia beetle
- Xyleborus glabratus
Eichhoff |
35 |
| Hypoxylon cankers
- Hypoxylon spp.
|
35 |
| oak leaf blister
- Taphrina caerulescens
(Desmaz. & Mont.) Tul. |
35 |
| pecan scab
- Cladosporium caryigenum
(Ellis & Langl.) Gottwald |
35 |
| crownvetch
- Securigera varia
(L.) Lassen |
35 |
| sericea lespedeza
- Lespedeza cuneata
(Dum.-Cours.) G. Don |
35 |
| Canadian horseweed
- Conyza canadensis
(L.) Cronq. |
35 |
| flowering dogwood
- Cornus florida
L. |
35 |
| orchardgrass
- Dactylis glomerata
L. |
34 |
| lesser pine shoot beetle
- Tomicus minor
(Hartig) |
34 |
| white fir
- Abies concolor
(Gord. & Glend.) Lindl. ex Hildebr. |
34 |
| green peach aphid
- Myzus persicae
(Sulzer) |
34 |
| boll weevil
- Anthonomus grandis grandis
Boheman |
34 |
| anthracnose
- Colletotrichum spp.
Corda |
34 |
| showy rattlebox
- Crotalaria spectabilis
Roth |
34 |
| saskatoon serviceberry
- Amelanchier alnifolia
(Nutt.) Nutt. ex M. Roemer |
34 |
| Robbins' milkvetch
- Astragalus robinsii
(Oakes) Gray |
34 |
| halo blight
- Pseudomonas syringae pv. phaseolicola
(Burkholder) Young et al. |
34 |
| tobacco hornworm
- Manduca sexta
(Linnaeus) |
34 |
| thymeleaf speedwell
- Veronica serpyllifolia
L. |
34 |
| Nantucket pine tip moth
- Rhyacionia frustrana
(Comstock) |
34 |
| common teasel
- Dipsacus fullonum
L. |
34 |
| fertilization
|
34 |
| great spruce bark beetle
- Dendroctonus micans
(Kugelann) |
34 |
| stinging nettle
- Urtica dioica
L. |
34 |
| Athel tamarisk
- Tamarix aphylla
(L.) Karst. |
33 |
| sulphur cinquefoil
- Potentilla recta
L. |
33 |
| locust borer
- Megacyllene robiniae
(Forster) |
33 |
| sixspined ips
- Ips calligraphus
(Germar) |
33 |
| gopher tortoise
- Gopherus polyphemus
(Daudin) |
33 |
| Tobacco Mosaic Virus
- Tobamovirus TMV
|
33 |
| hydrilla
- Hydrilla verticillata
(L. f.) Royle |
33 |
| dogwood anthracnose
- Discula destructiva
Redlin |
33 |
| Armillaria root rot
- Armillaria ostoyae
(Romagnesi) Herink |
33 |
| flooding/high water
|
33 |
| Scotch thistle
- Onopordum acanthium
L. |
33 |
| American beautyberry
- Callicarpa americana
L. |
33 |
| skidding
|
33 |
| Nectria canker
- Nectria spp.
(Fr.) Fr. |
33 |
| deer
|
33 |
| eastern white pine
- Pinus strobus
L. |
33 |
| smooth brome
- Bromus inermis
Leyss. |
33 |
| rice
- Oryza sativa
L. |
33 |
| little hogweed
- Portulaca oleracea
L. |
33 |
| hedge false bindweed
- Calystegia sepium
(L.) R. Br |
33 |
| termites
|
33 |
| tarnished plant bug
- Lygus lineolaris
(Palisot) |
33 |
| direct seeding
|
33 |
| burrowing nematode
- Radopholus similis
(Cobb, 1893) Thorne, 1949 |
32 |
| wild garlic
- Allium vineale
L. |
32 |
| witch-hazel
- Hamamelis virginiana
L. |
32 |
| cecropia moth
- Hyalophora cecropia
(Linnaeus) |
32 |
| fire ant
- Solenopsis geminata
(Fabricius) |
32 |
| Dalmatian toadflax
- Linaria dalmatica
(L.) P. Mill. |
32 |
| feral horse
- Equus caballus
Linnaeus, 1758 |
32 |
| Iron deficiency
|
32 |
| small flower touch-me-not
- Impatiens parviflora
DC. |
32 |
| Dothistroma needle blight of pine
- Mycosphaerella pini
Rostr. |
32 |
| common horse chestnut
- Aesculus hippocastanum
L. |
32 |
| Africanized honey bee
- Apis mellifera scutellata
Lepeletier |
32 |
| green stink bug
- Acrosternum hilare
(Say) |
32 |
| pandora moth
- Coloradia pandora
Blake |
32 |
| European shot-hole borer
- Xyleborus dispar
(Fabricius) |
32 |
| bumble bees
- Bombus spp.
Latreille, 1802 |
31 |
| yellow-poplar
- Liriodendron tulipifera
L. |
31 |
| spider mites
|
31 |
| blackberries
- Rubus spp.
L. |
31 |
| Japanese pine sawyer beetle
- Monochamus alternatus
(Hope) |
31 |
| redroot amaranth
- Amaranthus retroflexus
L. |
31 |
| Vasey's grass
- Paspalum urvillei
Steud. |
31 |
| botrytis rot
- Botrytis allii
Munn |
31 |
| hairy cat'sear
- Hypochaeris radicata
L. |
31 |
| paper wasp
- Polistes dominulus
(Christ) |
31 |
| eastern hemlock
- Tsuga canadensis
(L.) Carr. |
31 |
| coppice
|
31 |
| seedlings
|
31 |
| golden bamboo
- Phyllostachys aurea
Carr. ex A.& C. Rivière |
31 |
| redosier dogwood
- Cornus seri |
