Introduced species in Lake County

50 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

50 species

lesser celandine (Ficaria verna)lesser celandineFicaria verna · Flowering plantsPhoto © Bernard Picton · CC BY 4.0Late March to early May, middle week Apr 19–2539 recordsbittersweet nightshade (Solanum dulcamara)bittersweet nightshadeSolanum dulcamara · Flowering plantsPhoto © Alexander Baransky · CC BY-NC 4.0Late May to late August, middle week Jul 5–1140 recordsbroad-leaved sweet pea (Lathyrus latifolius)broad-leaved sweet peaLathyrus latifolius · Flowering plantsPhoto © John Brew · CC BY 4.0Mid-June to late August, middle week Jul 5–1123 recordsOriental Beetle (Exomala (Exomala) orientalis)Oriental BeetleExomala (Exomala) orientalis · BeetlesPhoto © Tom Murray · CC BY-NC 4.0Late June to late July, middle week Jul 5–1130 recordsJapanese Beetle (Popillia japonica)Japanese BeetlePopillia japonica · BeetlesPhoto © Ingrid Kaatz · CC BY-NC 4.0Late June to mid-August, middle week Jul 12–1873 recordschicory (Cichorium intybus)chicoryCichorium intybus · Flowering plantsPhoto no rights reserved, uploaded by Алексей Ябс · CC0 1.0Late June to mid-October, middle week Aug 2–856 recordsEuropean Hornet (Vespa crabro)European HornetVespa crabro · Bees, wasps and antsPhoto © Jakob Fahr · CC BY-NC 4.0Late May to early November, middle week Aug 30 – Sep 522 recordsCross Orbweaver (Araneus diadematus)Cross OrbweaverAraneus diadematus · SpidersPhoto © hedera.baltica · CC BY-SA 4.0Early July to late October, middle week Sep 13–1938 recordsalder buckthorn (Frangula alnus)alder buckthornFrangula alnus · Flowering plantsPhoto © Sten Porse · CC BY-SA 4.0No season shown47 recordsAmur honeysuckle (Lonicera maackii)Amur honeysuckleLonicera maackii · Flowering plantsPhoto © Andrew Conboy · CC BY 4.0No season shown38 recordsAsian Lady Beetle (Harmonia axyridis)Asian Lady BeetleHarmonia axyridis · BeetlesPhoto © Paolo Mazzei · CC BY-NC 4.0No season shown90 recordsautumn olive (Elaeagnus umbellata)autumn oliveElaeagnus umbellata · Flowering plantsPhoto no rights reserved, uploaded by Shawn · CC0 1.0No season shown29 recordsBeech Leaf Disease (Litylenchus crenatae)Beech Leaf DiseaseLitylenchus crenatae · Other animalsPhoto © allenwoodliffe · CC BY-NC 4.0No season shown22 recordsbird's-foot trefoil (Lotus corniculatus)bird's-foot trefoilLotus corniculatus · Flowering plantsPhoto © Andreas Rockstein · CC BY-SA 4.0No season shown39 recordsBrown Marmorated Stink Bug (Halyomorpha halys)Brown Marmorated Stink BugHalyomorpha halys · True bugsPhoto © Kimberly · CC BY 4.0No season shown45 recordsCarolina horsenettle (Solanum carolinense)Carolina horsenettleSolanum carolinense · Flowering plantsPhoto © dillonmr · CC BY-NC 4.0No season shown40 recordscarpet bugle (Ajuga reptans)carpet bugleAjuga reptans · Flowering plantsPhoto © Анна · CC BY-NC 4.0No season shown37 recordscolt's-foot (Tussilago farfara)colt's-footTussilago farfara · Flowering plantsPhoto © snsergeevna · CC BY-NC 4.0No season shown51 recordscommon reed (Phragmites australis)common reedPhragmites australis · Flowering plantsPhoto © Luca Boscain · CC BY-NC 4.0No season shown22 recordsCommon Shiny Woodlouse (Oniscus asellus)Common Shiny WoodlouseOniscus asellus · CrustaceansPhoto © Katja Schulz · CC BY 4.0No season shown26 recordscommon soapwort (Saponaria officinalis)common soapwortSaponaria officinalis · Flowering plantsPhoto © ingakom · CC BY-NC 4.0No season shown34 recordscommon star-of-Bethlehem (Ornithogalum umbellatum)common star-of-BethlehemOrnithogalum umbellatum · Flowering plantsPhoto © Hannah Blumenfeld · CC BY-SA 4.0No season shown20 recordsCoronilla variaCoronilla variaCoronilla varia · Flowering plantsPhoto © Jerry Oldenettel · CC BY-NC-SA 4.0No season shown48 recordscreeping thistle (Cirsium arvense)creeping thistleCirsium arvense · Flowering plantsPhoto © Adja Gaye · CC BY-NC 4.0No season shown47 recordsdame's rocket (Hesperis matronalis)dame's rocketHesperis matronalis · Flowering plantsPhoto © Wolfgang Bacher · CC BY-NC 4.0No season shown46 recordsEuropean Paper Wasp (Polistes dominula)European Paper WaspPolistes dominula · Bees, wasps and antsPhoto © Юрий Данилевский (Yuriy Danilevsky) · CC BY 4.0No season shown21 recordsEuropean Starling (Sturnus vulgaris)European StarlingSturnus vulgaris · BirdsPhoto © Shiva Shenoy · CC BY 4.0No season shown40 recordsfalse indigo bush (Amorpha fruticosa)false indigo bushAmorpha fruticosa · Flowering plantsPhoto © Susan Elliott · CC BY-NC 4.0No season shown44 recordsgarlic mustard (Alliaria petiolata)garlic mustardAlliaria petiolata · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0No season shown55 recordsgreat mullein (Verbascum thapsus)great mulleinVerbascum thapsus · Flowering plantsPhoto © adrienne alms · CC BY-NC 4.0No season shown29 recordsground-ivy (Glechoma hederacea)ground-ivyGlechoma hederacea · Flowering plantsPhoto © viktorie_kolouchova · CC BY-NC 4.0No season shown28 recordsHouse Sparrow (Passer domesticus)House SparrowPasser domesticus · BirdsPhoto © Ximo Galarza · CC BY-NC-SA 4.0No season shown44 recordsJapanese barberry (Berberis thunbergii)Japanese barberryBerberis thunbergii · Flowering plantsPhoto © Mark Kluge · CC BY-NC 4.0No season shown22 recordsJapanese knotweed (Reynoutria japonica)Japanese knotweedReynoutria japonica · Flowering plantsPhoto AnRo0002 · Public domainNo season shown21 recordslesser periwinkle (Vinca minor)lesser periwinkleVinca minor · Flowering plantsPhoto © Miroslav Marić · CC BY-NC 4.0No season shown44 recordsmoth mullein (Verbascum blattaria)moth mulleinVerbascum blattaria · Flowering plantsPhoto © margiemick · CC BY-NC 4.0No season shown32 recordsmultiflora rose (Rosa multiflora)multiflora roseRosa multiflora · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0No season shown61 recordsPorcelain Berry (Ampelopsis glandulosa)Porcelain BerryAmpelopsis glandulosa · Flowering plantsPhoto © Judy Gallagher · CC BY-SA 4.0No season shown26 recordspurple loosestrife (Lythrum salicaria)purple loosestrifeLythrum salicaria · Flowering plantsPhoto © Nika Martynova · CC BY-NC 4.0No season shown51 recordsRed Clover (Trifolium pratense)Red CloverTrifolium pratense · Flowering plantsPhoto © Hornbeam Arts · CC BY-NC 4.0No season shown33 recordsred deadnettle (Lamium purpureum)red deadnettleLamium purpureum · Flowering plantsPhoto © Katrina Winthrop · CC BY-NC 4.0No season shown31 recordsSmall White (Pieris rapae)Small WhitePieris rapae · Butterflies and mothsPhoto © Liu JimFood · CC BY-NC 4.0No season shown49 recordsSpongy Moth (Lymantria (Porthetria) dispar)Spongy MothLymantria (Porthetria) dispar · Butterflies and mothsPhoto © richardjaybee · CC BY-NC 4.0No season shown20 recordsStripe-legged Robber Fly (Dioctria (Dioctria) hyalipennis)Stripe-legged Robber FlyDioctria (Dioctria) hyalipennis · FliesPhoto © Rasmus Allesoee · CC BY-NC 4.0No season shown23 recordsWestern Honey Bee (Apis mellifera)Western Honey BeeApis mellifera · Bees, wasps and antsPhoto © Lê Thanh Hoa · CC BY-NC 4.0No season shown68 recordswhite clover (Trifolium repens)white cloverTrifolium repens · Flowering plantsPhoto © Gennadiy Okatov · CC BY-NC 4.0No season shown24 recordsWhite Sweetclover (Melilotus albus)White SweetcloverMelilotus albus · Flowering plantsPhoto © Anton Gjeldum · CC BY-NC 4.0No season shown29 recordswild carrot (Daucus carota)wild carrotDaucus carota · Flowering plantsPhoto © Nancy Phillips · CC BY-NC 4.0No season shown50 records

Showing 48 of 50

Missing records do not mean a species is absent.