Introduced species in Lorain County

42 species reported here that are listed as introduced

Listed as introduced by US-RIIS (the lower 48 states) or iNaturalist's Ohio checklist. Invasive species are those US-RIIS or Ohio's rules list as invasive, as causing or likely to cause harm. A species missing from this list is not necessarily native.

Sources: US-RIIS 2.0, iNaturalist's Ohio checklist and Ohio's invasive-species rules

42 species

lesser celandine (Ficaria verna)lesser celandineFicaria verna · Flowering plantsPhoto © Bernard Picton · CC BY 4.0Early March to early May, middle week Apr 12–1846 recordscommon star-of-Bethlehem (Ornithogalum umbellatum)common star-of-BethlehemOrnithogalum umbellatum · Flowering plantsPhoto © Hannah Blumenfeld · CC BY-SA 4.0Early May to late May, middle week May 17–2322 recordsdame's rocket (Hesperis matronalis)dame's rocketHesperis matronalis · Flowering plantsPhoto © Wolfgang Bacher · CC BY-NC 4.0Early May to late June, middle week May 24–3091 recordsbird's-foot trefoil (Lotus corniculatus)bird's-foot trefoilLotus corniculatus · Flowering plantsPhoto © Andreas Rockstein · CC BY-SA 4.0Mid-May to early August, middle week Jun 21–2743 recordschicory (Cichorium intybus)chicoryCichorium intybus · Flowering plantsPhoto no rights reserved, uploaded by Алексей Ябс · CC0 1.0Mid-June to late October, middle week Aug 2–864 recordspurple loosestrife (Lythrum salicaria)purple loosestrifeLythrum salicaria · Flowering plantsPhoto © Nika Martynova · CC BY-NC 4.0Mid-June to early September, middle week Aug 2–839 recordsalder buckthorn (Frangula alnus)alder buckthornFrangula alnus · Flowering plantsPhoto © Sten Porse · CC BY-SA 4.0No season shown50 recordsAmur honeysuckle (Lonicera maackii)Amur honeysuckleLonicera maackii · Flowering plantsPhoto © Andrew Conboy · CC BY 4.0No season shown43 recordsAsian Lady Beetle (Harmonia axyridis)Asian Lady BeetleHarmonia axyridis · BeetlesPhoto © Paolo Mazzei · CC BY-NC 4.0No season shown108 recordsautumn olive (Elaeagnus umbellata)autumn oliveElaeagnus umbellata · Flowering plantsPhoto no rights reserved, uploaded by Shawn · CC0 1.0No season shown33 recordsbittersweet nightshade (Solanum dulcamara)bittersweet nightshadeSolanum dulcamara · Flowering plantsPhoto © Alexander Baransky · CC BY-NC 4.0No season shown41 recordsbroad-leaved sweet pea (Lathyrus latifolius)broad-leaved sweet peaLathyrus latifolius · Flowering plantsPhoto © John Brew · CC BY 4.0No season shown29 recordsBrown Marmorated Stink Bug (Halyomorpha halys)Brown Marmorated Stink BugHalyomorpha halys · True bugsPhoto © Kimberly · CC BY 4.0No season shown23 recordsBull Thistle (Cirsium vulgare)Bull ThistleCirsium vulgare · Flowering plantsPhoto © Sabine Atteln · CC BY-NC 4.0No season shown23 recordsCarolina horsenettle (Solanum carolinense)Carolina horsenettleSolanum carolinense · Flowering plantsPhoto © dillonmr · CC BY-NC 4.0No season shown36 recordscolt's-foot (Tussilago farfara)colt's-footTussilago farfara · Flowering plantsPhoto © snsergeevna · CC BY-NC 4.0No season shown27 recordscommon buckthorn (Rhamnus cathartica)common buckthornRhamnus cathartica · Flowering plantsPhoto © Robert Flogaus-Faust · CC BY 4.0No season shown21 recordscommon dandelion (Taraxacum officinale)common dandelionTaraxacum officinale · Flowering plantsPhoto © Paul Reeves · CC BY-NC-SA 4.0No season shown38 recordscommon reed (Phragmites australis)common reedPhragmites australis · Flowering plantsPhoto © Luca Boscain · CC BY-NC 4.0No season shown26 recordsCoronilla variaCoronilla variaCoronilla varia · Flowering plantsPhoto © Jerry Oldenettel · CC BY-NC-SA 4.0No season shown46 recordscreeping Jenny (Lysimachia nummularia)creeping JennyLysimachia nummularia · Flowering plantsPhoto © miroslavamalovcova · CC BY-NC 4.0No season shown35 recordscreeping thistle (Cirsium arvense)creeping thistleCirsium arvense · Flowering plantsPhoto © Adja Gaye · CC BY-NC 4.0No season shown47 recordsEuropean Paper Wasp (Polistes dominula)European Paper WaspPolistes dominula · Bees, wasps and antsPhoto © Юрий Данилевский (Yuriy Danilevsky) · CC BY 4.0No season shown36 recordsEuropean Starling (Sturnus vulgaris)European StarlingSturnus vulgaris · BirdsPhoto © Shiva Shenoy · CC BY 4.0No season shown32 recordsgarlic mustard (Alliaria petiolata)garlic mustardAlliaria petiolata · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0No season shown64 recordsground-ivy (Glechoma hederacea)ground-ivyGlechoma hederacea · Flowering plantsPhoto © viktorie_kolouchova · CC BY-NC 4.0No season shown78 recordsHouse Sparrow (Passer domesticus)House SparrowPasser domesticus · BirdsPhoto © Ximo Galarza · CC BY-NC-SA 4.0No season shown59 recordsJapanese Beetle (Popillia japonica)Japanese BeetlePopillia japonica · BeetlesPhoto © Ingrid Kaatz · CC BY-NC 4.0No season shown34 recordslesser periwinkle (Vinca minor)lesser periwinkleVinca minor · Flowering plantsPhoto © Miroslav Marić · CC BY-NC 4.0No season shown41 recordslow smartweed (Persicaria longiseta)low smartweedPersicaria longiseta · Flowering plantsPhoto © Brad Walker · CC BY-NC 4.0No season shown23 recordsmoth mullein (Verbascum blattaria)moth mulleinVerbascum blattaria · Flowering plantsPhoto © margiemick · CC BY-NC 4.0No season shown25 recordsmultiflora rose (Rosa multiflora)multiflora roseRosa multiflora · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0No season shown78 recordsOsage-orange (Maclura pomifera)Osage-orangeMaclura pomifera · Flowering plantsPhoto © hilliri · CC BY-NC 4.0No season shown27 recordsoxeye daisy (Leucanthemum vulgare)oxeye daisyLeucanthemum vulgare · Flowering plantsPhoto © Ben Zerante · CC BY-NC 4.0No season shown35 recordsRed Clover (Trifolium pratense)Red CloverTrifolium pratense · Flowering plantsPhoto © Hornbeam Arts · CC BY-NC 4.0No season shown48 recordsred deadnettle (Lamium purpureum)red deadnettleLamium purpureum · Flowering plantsPhoto © Katrina Winthrop · CC BY-NC 4.0No season shown47 recordsSmall White (Pieris rapae)Small WhitePieris rapae · Butterflies and mothsPhoto © Liu JimFood · CC BY-NC 4.0No season shown42 recordstree-of-heaven (Ailanthus altissima)tree-of-heavenAilanthus altissima · Flowering plantsPhoto © raviner · CC BY-NC 4.0No season shown21 recordsWestern Honey Bee (Apis mellifera)Western Honey BeeApis mellifera · Bees, wasps and antsPhoto © Lê Thanh Hoa · CC BY-NC 4.0No season shown90 recordswhite clover (Trifolium repens)white cloverTrifolium repens · Flowering plantsPhoto © Gennadiy Okatov · CC BY-NC 4.0No season shown29 recordswild carrot (Daucus carota)wild carrotDaucus carota · Flowering plantsPhoto © Nancy Phillips · CC BY-NC 4.0No season shown79 recordswild teasel (Dipsacus fullonum)wild teaselDipsacus fullonum · Flowering plantsPhoto © Andreas Rockstein · CC BY-SA 4.0No season shown64 records

Missing records do not mean a species is absent.