Introduced species in Franklin County

156 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

156 species

common snowdrop (Galanthus nivalis)common snowdropGalanthus nivalis · Flowering plantsPhoto © nvicens · CC BY-NC 4.0Early February to late March, middle week Mar 8–1444 recordsWinter Aconite (Eranthis hyemalis)Winter AconiteEranthis hyemalis · Flowering plantsPhoto © Nicolas Schwab · CC BY-NC 4.0Mid-February to early May, middle week Mar 8–1447 recordsGrey Field-speedwell (Veronica polita)Grey Field-speedwellVeronica polita · Flowering plantsPhoto © Matthieu Gauvain · CC BY-NC 4.0Early March to mid-May, middle week Mar 29 – Apr 427 recordshairy bittercress (Cardamine hirsuta)hairy bittercressCardamine hirsuta · Flowering plantsPhoto © Beth Katz · CC BY-NC-SA 4.0Early March to mid-April, middle week Mar 29 – Apr 431 recordsSiberian squill (Scilla siberica)Siberian squillScilla siberica · Flowering plantsPhoto © Kristian Peters · CC BY-NC-SA 4.0Early March to mid-April, middle week Mar 29 – Apr 468 recordsCommon Whitlowgrass (Draba verna)Common WhitlowgrassDraba verna · Flowering plantsPhoto © crgillette · CC BY 4.0Mid-March to early May, middle week Apr 5–1131 recordsbird's-eye speedwell (Veronica persica)bird's-eye speedwellVeronica persica · Flowering plantsPhoto © liriodendron_tulipifera · CC BY-NC 4.0Early March to late May, middle week Apr 12–1855 recordslesser celandine (Ficaria verna)lesser celandineFicaria verna · Flowering plantsPhoto © Bernard Picton · CC BY 4.0Mid-March to late April, middle week Apr 12–18268 recordsthyme-leaved speedwell (Veronica serpyllifolia)thyme-leaved speedwellVeronica serpyllifolia · Flowering plantsPhoto © aarongunnar · CC BY 4.0Late April to mid-May, middle week May 3–932 recordscommon star-of-Bethlehem (Ornithogalum umbellatum)common star-of-BethlehemOrnithogalum umbellatum · Flowering plantsPhoto © Hannah Blumenfeld · CC BY-SA 4.0Late April to late May, middle week May 10–16108 recordscorn speedwell (Veronica arvensis)corn speedwellVeronica arvensis · Flowering plantsPhoto © kale2012 · CC BY-NC 4.0Mid-April to mid-May, middle week May 10–1620 recordsfield peppergrass (Lepidium campestre)field peppergrassLepidium campestre · Flowering plantsPhoto © Radio Tonreg · CC BY 4.0Late April to mid-June, middle week May 10–1621 recordsground-ivy (Glechoma hederacea)ground-ivyGlechoma hederacea · Flowering plantsPhoto © viktorie_kolouchova · CC BY-NC 4.0Early April to early October, middle week May 10–16242 recordsdame's rocket (Hesperis matronalis)dame's rocketHesperis matronalis · Flowering plantsPhoto © Wolfgang Bacher · CC BY-NC 4.0Late March to late June, middle week May 17–23226 recordsmultiflora rose (Rosa multiflora)multiflora roseRosa multiflora · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0Early March to mid-October, middle week May 24–30236 recordsNarcissus Bulb Fly (Merodon (Albimerodon) equestris)Narcissus Bulb FlyMerodon (Albimerodon) equestris · FliesPhoto © S. Rae · CC BY 4.0Early May to early June, middle week May 24–3039 recordscreeping Jenny (Lysimachia nummularia)creeping JennyLysimachia nummularia · Flowering plantsPhoto © miroslavamalovcova · CC BY-NC 4.0Mid-April to early October, middle week Jun 7–1373 recordsCoronilla variaCoronilla variaCoronilla varia · Flowering plantsPhoto © Jerry Oldenettel · CC BY-NC-SA 4.0Early May to late September, middle week Jun 21–27189 recordsbird's-foot trefoil (Lotus corniculatus)bird's-foot trefoilLotus corniculatus · Flowering plantsPhoto © Andreas Rockstein · CC BY-SA 4.0Late May to mid-September, middle week Jun 28 – Jul 495 recordsfield bindweed (Convolvulus arvensis)field bindweedConvolvulus arvensis · Flowering plantsPhoto © vivienratcliffe · CC BY-NC 4.0Late May to early September, middle week Jun 28 – Jul 431 recordsbittersweet nightshade (Solanum dulcamara)bittersweet nightshadeSolanum dulcamara · Flowering plantsPhoto © Alexander Baransky · CC BY-NC 4.0Early May to early October, middle week Jul 12–18127 recordsJapanese Beetle (Popillia japonica)Japanese BeetlePopillia japonica · BeetlesPhoto © Ingrid Kaatz · CC BY-NC 4.0Late June to early September, middle week Jul 12–18104 recordsWhite Sweetclover (Melilotus albus)White SweetcloverMelilotus albus · Flowering plantsPhoto © Anton Gjeldum · CC BY-NC 4.0Mid-June to mid-September, middle week Jul 12–1850 recordsBull Thistle (Cirsium vulgare)Bull ThistleCirsium vulgare · Flowering plantsPhoto © Sabine Atteln · CC BY-NC 4.0Early April to late September, middle week Jul 19–2598 recordsAsiatic dayflower (Commelina communis)Asiatic dayflowerCommelina communis · Flowering plantsPhoto © NotAnonymous · CC BY-SA 4.0Early June to late September, middle week Jul 26 – Aug 146 recordsplains coreopsis (Coreopsis tinctoria)plains coreopsisCoreopsis tinctoria · Flowering plantsPhoto © jcmattson · CC BY-NC 4.0Late June to mid-October, middle week Jul 26 – Aug 150 recordsprickly lettuce (Lactuca serriola)prickly lettuceLactuca serriola · Flowering plantsPhoto © George F Mayfield · CC BY-SA 4.0Late May to late August, middle week Jul 26 – Aug 139 recordsWestern Honey Bee (Apis mellifera)Western Honey BeeApis mellifera · Bees, wasps and antsPhoto © Lê Thanh Hoa · CC BY-NC 4.0Mid-April to mid-October, middle week Jul 26 – Aug 1825 recordspurple loosestrife (Lythrum salicaria)purple loosestrifeLythrum salicaria · Flowering plantsPhoto © Nika Martynova · CC BY-NC 4.0Late June to late August, middle week Aug 2–882 recordsSmall White (Pieris rapae)Small WhitePieris rapae · Butterflies and mothsPhoto © Liu JimFood · CC BY-NC 4.0Mid-April to late October, middle week Aug 2–8305 recordsSurprise Lily (Lycoris squamigera)Surprise LilyLycoris squamigera · Flowering plantsPhoto (c) Kim, Hyun-tae, some rights reserved (CC BY), uploaded by Kim, Hyun-tae · CC BY 4.0Late July to mid-August, middle week Aug 9–1528 recordswild carrot (Daucus carota)wild carrotDaucus carota · Flowering plantsPhoto © Nancy Phillips · CC BY-NC 4.0Mid-June to early October, middle week Aug 9–15366 recordsAsian Tiger Mosquito (Aedes (Stegomyia) albopictus)Asian Tiger MosquitoAedes (Stegomyia) albopictus · FliesPhoto © Thomas Shahan · CC BY-NC 4.0Mid-June to late September, middle week Aug 16–2232 recordsConvolvulus sepiumConvolvulus sepiumConvolvulus sepium · Flowering plantsPhoto © Heather Pickard · CC BY-NC 4.0Late June to early October, middle week Aug 16–2224 recordsjimsonweed (Datura stramonium)jimsonweedDatura stramonium · Flowering plantsPhoto © SWoodward · CC BY-NC 4.0Late June to late October, middle week Aug 16–2229 recordschicory (Cichorium intybus)chicoryCichorium intybus · Flowering plantsPhoto no rights reserved, uploaded by Алексей Ябс · CC0 1.0Late June to mid-October, middle week Aug 23–29262 recordsfirewheel (Gaillardia pulchella)firewheelGaillardia pulchella · Flowering plantsPhoto © TexasEagle · CC BY-NC 4.0Mid-June to mid-October, middle week Aug 23–2970 recordsflower-of-an-hour (Hibiscus trionum)flower-of-an-hourHibiscus trionum · Flowering plantsPhoto © Ramon(Ray) Evans · CC BY-NC 4.0Early July to mid-October, middle week Aug 23–2978 recordsvelvetleaf (Abutilon theophrasti)velvetleafAbutilon theophrasti · Flowering plantsPhoto © Christian Gaisberger · CC BY-NC 4.0Late June to mid-October, middle week Aug 23–2969 recordscommon morning-glory (Ipomoea purpurea)common morning-gloryIpomoea purpurea · Flowering plantsPhoto © M. Whitson · CC BY 4.0Late July to mid-October, middle week Sep 6–1242 recordsgiant foxtail (Setaria faberi)giant foxtailSetaria faberi · Flowering plantsPhoto © j-7dwj9xrt · CC BY-NC 4.0Early August to early October, middle week Sep 6–1221 recordsYellow Cosmos (Cosmos sulphureus)Yellow CosmosCosmos sulphureus · Flowering plantsPhoto © Annika Lindqvist · CC BY 4.0Mid-July to mid-September, middle week Sep 6–1221 recordsivy-leaved morning-glory (Ipomoea hederacea)ivy-leaved morning-gloryIpomoea hederacea · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0Early August to late September, middle week Sep 13–1922 recordslow smartweed (Persicaria longiseta)low smartweedPersicaria longiseta · Flowering plantsPhoto © Brad Walker · CC BY-NC 4.0Mid-June to mid-October, middle week Sep 27 – Oct 3115 recordsAlsike clover (Trifolium hybridum)Alsike cloverTrifolium hybridum · Flowering plantsPhoto © Charles Kuss · CC BY-NC 4.0No season shown33 recordsAmur honeysuckle (Lonicera maackii)Amur honeysuckleLonicera maackii · Flowering plantsPhoto © Andrew Conboy · CC BY 4.0No season shown795 recordsAnnual Honesty (Lunaria annua)Annual HonestyLunaria annua · Flowering plantsPhoto © Joe · CC BY-NC 4.0No season shown31 recordsAsian bittersweet (Celastrus orbiculatus)Asian bittersweetCelastrus orbiculatus · Flowering plantsPhoto © Jeff Skrentny · CC BY-NC 4.0No season shown23 records

Showing 48 of 156

Missing records do not mean a species is absent.