Distribution Maps

Click on a species to view its point distribution maps. To re-sort the table, click on the column you would like to sort by. Invasive Ranking Score is based on the Weed Ranking Project and are values from 0-100 with 100 being the highest.

Common Name Scientific Name Number of Records Invasiveness Ranking Score
Japanese knotweed Fallopia japonica Sieb. & Zucc. 301 87
spotted knapweed Centaurea stoebe ssp. micranthos (Gugler) Hayek 24 86
purple loosestrife Lythrum salicaria L. 8 84
reed canarygrass Phalaris arundinacea L. 6121 83
ornamental jewelweed Impatiens glandulifera Royle 22 82
white sweetclover Melilotus alba Medikus 1433 80
orange hawkweed Hieracium aurantiacum L. 1183 79
meadow hawkweed Hieracium caespitosum Dumort. 51 79
cheatgrass Bromus tectorum L. 4 78
Himalaya blackberry Rubus armeniacus Focke 2 77
Canada thistle Cirsium arvense (L.) Scop. 260 76
European bird cherry Prunus padus L. 21 74
bird vetch Vicia cracca L. 1272 73
garlic mustard Alliaria petiolata (Bieb.) Cavara & Grande 12 70
Scotch broom Cytisus scoparius (L.) Link 31 69
yellow toadflax Linaria vulgaris P. Mill. 912 69
Siberian peashrub Caragana arborescens Lam. 16 66
yellow sweetclover Melilotus officinalis (L.) Lam. 402 65
creeping bellflower Campanula rapunculoides L. 5 64
yellow alfalfa Medicago sativa ssp. falcata (L.) Arcang. 20 64
foxtail barley Hordeum jubatum L. 921 63
tansy ragwort Senecio jacobaea L. 45 63
smooth brome Bromus inermis Leyss. 432 62
bull thistle Cirsium vulgare (Savi) Ten. 141 61
oxeye daisy Leucanthemum vulgare Lam. 2310 61
perennial sowthistle Sonchus arvensis L. 165 61
leporinum barley Hordeum murinum ssp. leporinum (Link) Arcang. 13 60
quackgrass Elymus repens (L.) Gould 643 59
alfalfa Medicago sativa ssp. sativa L. 33 59
European mountain-ash Sorbus aucuparia L. 146 59
white clover Trifolium repens L. 6056 59
field bindweed Convolvulus arvensis L. 5 58
dandelion Taraxacum officinale G.H. Weber ex Wiggers 7334 58
common tansy Tanacetum vulgare L. 191 57
alsike clover Trifolium hybridum L. 2721 57
timothy Phleum pratense L. 4559 56
narrowleaf hawksbeard Crepis tectorum L. 1457 54
tall buttercup Ranunculus acris L. 287 54
creeping buttercup Ranunculus repens L. 1936 54
orchardgrass Dactylis glomerata L. 877 53
red clover Trifolium pratense L. 1039 53
common St. Johnswort Hypericum perforatum L. 27 52
Kentucky bluegrass Poa pratensis ssp. pratensis L. 54 52
spreading bluegrass Poa pratensis ssp. irrigata (Lindm.) H. Lindb. 28 52
roughstalk bluegrass Poa trivialis L. 196 52
foxglove Digitalis purpurea L. 253 51
red sorrel Rumex acetosella L. 581 51
wild buckwheat Fallopia convolvulus L. 58 50
western salsify Tragopogon dubius Scop. 23 50
black medic Medicago lupulina L. 83 48
curly dock Rumex crispus L. 545 48
longleaf dock Rumex longifolius DC. 16 48
broadleaf dock Rumex obtusifolius L. 47 48
scentless false mayweed Tripleurospermum perforatum (Merat) M. Lainz 109 48
pale smartweed Persicaria lapathifolia (L.) S.F. Gray 53 47
ladysthumb Persicaria maculosa S.F. Gray 4 47
sneezewort yarrow Achillea ptarmica L. 8 46
narrowleaf hawkweed Hieracium umbellatum L. 195 46
annual bluegrass Poa annua L. 3422 46
prostrate knotweed Polygonum aviculare L. 640 45
red campion Silene dioica (L.) Clairville 3 45
white campion Silene latifolia Poir. 9 45
nightflowering catchfly Silene noctiflora L. 11 45
European sticktight Lappula squarrosa (Retz.) Dumort. 78 44
broadleaf plantain Plantago major L. 6948 44
common chickweed Stellaria pallida (Dumort.) Crépin 382 42
stinking chamomile Anthemis cotula L 14 41
flixweed Descurainia sophia (L.) Webb ex Prantl 73 41
damesrocket Hesperis matronalis L. 10 41
Italian ryegrass Lolium perenne ssp. multiflorum (Lam.) Husnot 130 41
shepherd's-purse Capsella bursa-pastoris (L.) Medik. 350 40
splitlip hempnettle Galeopsis bifida Boenn. 99 40
big chickweed Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet 3395 39
Canada bluegrass Poa compressa L. 196 39
lambsquarters Chenopodium album L 630 35
common groundsel Senecio vulgaris L. 175 35
pineapple-weed Matricaria discoidea DC. 2477 32
wall lettuce Mycelis muralis (L.) Dumort. 58 32
corn spurry Spergula arvensis L. 89 32
greenflower pepperweed Lepidium densiflorum Schrad. 191 25
fernleaf yarrow Achillea filipendulina Lam. 40
common yarrow Achillea millefolium L. 1048
bishops goutweed Aegopodium podagraria L. 3
crested wheatgrass Agropyron cristatum (L.) Gaertn. 61
colonial bentgrass Agrostis capillaris L. 169
redtop Agrostis gigantea Roth 438
creeping bentgrass Agrostis stolonifera L. 161
lady's-mantle Alchemilla mollis (Buser) Rothm. 18
water foxtail Alopecurus geniculatus L. 29
meadow foxtail Alopecurus pratensis Linnaeus 303
redroot pigweed Amaranthus retroflexus L. 3
pearly everlasting Anaphalis margaritacea (L.) Benth. 55
sweet vernalgrass Anthoxanthum odoratum L. 28
tower-mustard Arabis glabra (L.) Bernh. 28
common burdock Arctium minus Bernh. 5
silverweed cinquefoil Argentina anserina (L.) Rydb. 6
tall oatgrass Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl 2
catchweed Asperugo procumbens L. 1
chickpea milkvetch Astragalus cicer L. 14
wild oat Avena fatua L. 4
hoary alyssum Berteroa incana (L.) DC 4
European white birch Betula pendula Roth 1
Indian mustard Brassica juncea (L.) Czern 1
rapeseed Brassica napus L. 6
birdsrape mustard Brassica rapa L. 97
turnip Brassica rapa ssp. rapa L. 8
soft brome Bromus hordeaceus L. 21
rye brome Bromus secalinus L. 1
pot marigold Calendula officinalis L. 1
hedge false bindweed Calystegia sepium ssp. sepium (L.) R. Br. 3
perennial cornflower Centaurea montana L. 42
sticky chickweed Cerastium glomeratum Thuill. 33
boreal chickweed Cerastium tomentosum L. 4
dwarf snapdragon Chaenorhinum minus (L.) Lange 2
Zschack's goosefoot Chenopodium berlandieri var. zschackii (Murr) Murr ex Asch. 2
chicory Cichorium intybus L. 1
tiny trumpet Collomia linearis Nutt. 17
horseweed Conyza canadensis (L.) Cronq. 2
Queen Anne's lace, wild carrot Daucus carota L. 3
low larkspur Delphinium nuttallianum Pritz. ex Walp. 5
slender hairgrass Deschampsia elongata (Hook.) Munro 332
pinnate tansymustard Descurainia pinnata (Walt.) Britt 1
maiden pink Dianthus deltoides L. 1
Siberian wildrye Elymus sibiricus L. 200
slender wheatgrass Elymus trachycaulus ssp. subsecundus (Link) A. Löve & D. Löve 21
slender wheatgrass Elymus trachycaulus ssp. trachycaulus (Link) Gould ex Shinners 46
redstem filaree Erodium cicutarium (L.) L'Hér. ex Ait. 1
dog mustard Erucastrum gallicum (Willd.) O.E. Schulz 14
wallflower mustard Erysimum cheiranthoides L 128
common eyebright Euphrasia nemorosa (Pers.) Wallr. 143
Sakhalin knotweed Fallopia sachalinensis F. Schmidt ex Maxim. 1
tall fescue Festuca arundinacea Schreb. 794
meadow fescue Festuca pratensis Huds. 9
strawberry Fragaria x ananassa Duchesne ex Rozier [chiloensis × virginiana] 82
common hempnettle Galeopsis tetrahit L. 152
herb-robert Geranium robertianum L. 12
western marsh cudweed Gnaphalium palustre Nutt. 22
low cudweed Gnaphalium uliginosum L. 1
English ivy Hedera helix L. 2
common sunflower Helianthus annuus L. 4
common hawkweed Hieracium lachenalii K.C. Gmel. 63
mouseear hawkweed Hieracium pilosella L. 4
common velvetgrass Holcus lanatus L. 395
German velvetgrass Holcus mollis L. 1
barley Hordeum vulgare L. 4
hairy cat'sear Hypochaeris radicata L. 227
English holly Ilex aquifolium L. 3
yellowflag iris Iris pseudacorus L. 9
prickly lettuce Lactuca serriola L. 9
white deadnettle Lamium album L. 2
nipplewort Lapsana communis L. 33
fall hawkbit Leontodon autumnalis L. 100
lesser hawkbit Leontodon saxatilis ssp. saxatilis L. 3
manybranched pepperweed Lepidium ramosissimum A. Nelson 5
max chrysanthemum Leucanthemum maximum (Ramond) DC. 11
pineneedle toadflax Linaria pinifolia (Poir.) Thell. 4
perennial ryegrass Lolium perenne ssp. perenne L. 246
birdsfoot trefoil Lotus corniculatus L. 20
bigleaf lupine Lupinus polyphyllus Lindl. 369
maltese-cross Lychnis chalcedonica L. 12
moneywort Lysimachia nummularia L. 2
cluster tarweed Madia glomerata Hook. 1
little burclover Medicago minima (L.) L. 4
spearmint Mentha spicata L. 1
true forget-me-not Myosotis scorpioides L. 254
woodland forget-me-not Myosotis sylvatica Ehrh. ex Hoffmann 3
anise Myrrhis odorata (L.) Scop. 2
ball mustard Neslia paniculata (L.) Desv. 2
Icelandic poppy Papaver nudicaule L. 56
corn poppy Papaver rhoeas L. 1
canarygrass Phalaris canariensis L. 2
buckhorn plantain Plantago lanceolata L. 2
glaucous bluegrass Poa glauca Vahl 103
fowl bluegrass Poa palustris L. 2576
Kentucky bluegrass Poa pratensis L. 768
Bohemian knotweed Polygonum x bohemicum (J. Chrtek & Chrtkovß) Zika & Jacobson [cuspidatum x sachalinense] 16
rough cinquefoil Potentilla norvegica L. 499
sweet cherry Prunus avium (L.) L. 2
radish Raphanus sativus L. 2
garden rhubarb Rheum rhabarbarum L. 6
yellow fieldcress Rorippa sylvestris (L.) Bess. 2
rugosa rose Rosa rugosa Thunb. 39
garden sorrel Rumex acetosa ssp. acetosa L. 51
birdseye pearlwort Sagina procumbens L. 60
crownvetch Securigera varia (L.) Lassen 1
woodland groundsel Senecio sylvaticus L. 1
sticky groundsel Senecio viscosus L. 1
green foxtail Setaria viridis (L.) Beauv. 3
garden catchfly Silene armeria L. 1
bladder campion Silene latifolia ssp. alba (Mill.) Greuter & Burdet 6
bladder campion Silene vulgaris (Moench) Garcke 2
white mustard Sinapis alba L. 1
wild mustard Sinapis arvensis L. 2
tumble mustard Sisymbrium altissimum L. 8
spiny sowthistle Sonchus asper (L.) Hill 49
annual sowthistle Sonchus oleraceus L. 9
false spiraea Sorbaria sorbifolia (L.) A. Braun 2
red sandspurry Spergularia rubra (L.) J. Presl & C. Presl 51
common comfrey Symphytum officinale L. 40
common dandelion Taraxacum officinale ssp. officinale F.H. Wigg. 1015
field pennycress Thlaspi arvense L. 14
hop clover Trifolium aureum Pollich 6
small hop clover Trifolium dubium Sibthorp 1
common wheat Triticum aestivum L. 9
neckweed Veronica peregrina ssp. peregrina L. 1
thymeleaf speedwell Veronica serpyllifolia ssp. serpyllifolia L. 361
European cranberrybush Viburnum opulus L. 3
pansy Viola tricolor L. 80


Bugwood Center Developed by The University of Georgia - Center for Invasive Species and Ecosystem Health.
Last updated on Thursday, September 24, 2009 at 01:24 PM