Introduced species in Geauga County

25 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

25 species

colt's-foot (Tussilago farfara)colt's-footTussilago farfara · Flowering plantsPhoto © snsergeevna · CC BY-NC 4.0Late March to early September, middle week Apr 26 – May 244 recordsred deadnettle (Lamium purpureum)red deadnettleLamium purpureum · Flowering plantsPhoto © Katrina Winthrop · CC BY-NC 4.0Early April to mid-May, middle week Apr 26 – May 220 recordsgarlic mustard (Alliaria petiolata)garlic mustardAlliaria petiolata · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0Early April to late May, middle week May 3–924 recordscreeping thistle (Cirsium arvense)creeping thistleCirsium arvense · Flowering plantsPhoto © Adja Gaye · CC BY-NC 4.0Mid-May to late October, middle week Jul 19–2538 recordsJapanese Beetle (Popillia japonica)Japanese BeetlePopillia japonica · BeetlesPhoto © Ingrid Kaatz · CC BY-NC 4.0Late June to early September, middle week Jul 19–2529 recordspurple loosestrife (Lythrum salicaria)purple loosestrifeLythrum salicaria · Flowering plantsPhoto © Nika Martynova · CC BY-NC 4.0Early July to early September, middle week Aug 9–1545 recordschicory (Cichorium intybus)chicoryCichorium intybus · Flowering plantsPhoto no rights reserved, uploaded by Алексей Ябс · CC0 1.0Early July to mid-October, middle week Aug 30 – Sep 532 recordsalder buckthorn (Frangula alnus)alder buckthornFrangula alnus · Flowering plantsPhoto © Sten Porse · CC BY-SA 4.0No season shown72 recordsAsian Lady Beetle (Harmonia axyridis)Asian Lady BeetleHarmonia axyridis · BeetlesPhoto © Paolo Mazzei · CC BY-NC 4.0No season shown50 recordsbird's-foot trefoil (Lotus corniculatus)bird's-foot trefoilLotus corniculatus · Flowering plantsPhoto © Andreas Rockstein · CC BY-SA 4.0No season shown23 recordsbittersweet nightshade (Solanum dulcamara)bittersweet nightshadeSolanum dulcamara · Flowering plantsPhoto © Alexander Baransky · CC BY-NC 4.0No season shown26 recordsBrown Marmorated Stink Bug (Halyomorpha halys)Brown Marmorated Stink BugHalyomorpha halys · True bugsPhoto © Kimberly · CC BY 4.0No season shown31 recordsCarolina horsenettle (Solanum carolinense)Carolina horsenettleSolanum carolinense · Flowering plantsPhoto © dillonmr · CC BY-NC 4.0No season shown30 recordscarpet bugle (Ajuga reptans)carpet bugleAjuga reptans · Flowering plantsPhoto © Анна · CC BY-NC 4.0No season shown24 recordsdame's rocket (Hesperis matronalis)dame's rocketHesperis matronalis · Flowering plantsPhoto © Wolfgang Bacher · CC BY-NC 4.0No season shown24 recordsgreat mullein (Verbascum thapsus)great mulleinVerbascum thapsus · Flowering plantsPhoto © adrienne alms · CC BY-NC 4.0No season shown24 recordsHouse Sparrow (Passer domesticus)House SparrowPasser domesticus · BirdsPhoto © Ximo Galarza · CC BY-NC-SA 4.0No season shown21 recordsLawn daisy (Bellis perennis)Lawn daisyBellis perennis · Flowering plantsPhoto © m.dolores paderne sa… · CC BY-SA 4.0No season shown20 recordslesser periwinkle (Vinca minor)lesser periwinkleVinca minor · Flowering plantsPhoto © Miroslav Marić · CC BY-NC 4.0No season shown35 recordsmultiflora rose (Rosa multiflora)multiflora roseRosa multiflora · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0No season shown56 recordsorange hawkweed (Pilosella aurantiaca)orange hawkweedPilosella aurantiaca · Flowering plantsPhoto © Emma-Louise Goffin · CC BY-NC 4.0No season shown27 recordsRed Clover (Trifolium pratense)Red CloverTrifolium pratense · Flowering plantsPhoto © Hornbeam Arts · CC BY-NC 4.0No season shown28 recordsWestern Honey Bee (Apis mellifera)Western Honey BeeApis mellifera · Bees, wasps and antsPhoto © Lê Thanh Hoa · CC BY-NC 4.0No season shown41 recordswild carrot (Daucus carota)wild carrotDaucus carota · Flowering plantsPhoto © Nancy Phillips · CC BY-NC 4.0No season shown47 recordswild teasel (Dipsacus fullonum)wild teaselDipsacus fullonum · Flowering plantsPhoto © Andreas Rockstein · CC BY-SA 4.0No season shown44 records

Missing records do not mean a species is absent.