Introduced species in Erie County

28 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

28 species

lesser celandine (Ficaria verna)lesser celandineFicaria verna · Flowering plantsPhoto © Bernard Picton · CC BY 4.0Late March to late April, middle week Apr 12–1841 recordslesser periwinkle (Vinca minor)lesser periwinkleVinca minor · Flowering plantsPhoto © Miroslav Marić · CC BY-NC 4.0Early April to mid-May, middle week Apr 12–1820 recordsFlowering-rush (Butomus umbellatus)Flowering-rushButomus umbellatus · Flowering plantsPhoto © Luca Boscain · CC BY-NC 4.0Early June to mid-September, middle week Jul 19–2532 recordsEuropean Frog-bit (Hydrocharis morsus-ranae)European Frog-bitHydrocharis morsus-ranae · Flowering plantsPhoto © Nick Bishop · CC BY-NC 4.0Mid-June to early September, middle week Jul 26 – Aug 130 recordscommon soapwort (Saponaria officinalis)common soapwortSaponaria officinalis · Flowering plantsPhoto © ingakom · CC BY-NC 4.0Early July to late September, middle week Aug 2–828 recordspurple loosestrife (Lythrum salicaria)purple loosestrifeLythrum salicaria · Flowering plantsPhoto © Nika Martynova · CC BY-NC 4.0Early July to mid-September, middle week Aug 9–1531 recordsAsiatic dayflower (Commelina communis)Asiatic dayflowerCommelina communis · Flowering plantsPhoto © NotAnonymous · CC BY-SA 4.0Early July to late September, middle week Aug 23–2925 recordschicory (Cichorium intybus)chicoryCichorium intybus · Flowering plantsPhoto no rights reserved, uploaded by Алексей Ябс · CC0 1.0Mid-July to early November, middle week Aug 30 – Sep 522 recordsAmur honeysuckle (Lonicera maackii)Amur honeysuckleLonicera maackii · Flowering plantsPhoto © Andrew Conboy · CC BY 4.0No season shown65 recordsAsian Lady Beetle (Harmonia axyridis)Asian Lady BeetleHarmonia axyridis · BeetlesPhoto © Paolo Mazzei · CC BY-NC 4.0No season shown54 recordsautumn olive (Elaeagnus umbellata)autumn oliveElaeagnus umbellata · Flowering plantsPhoto no rights reserved, uploaded by Shawn · CC0 1.0No season shown35 recordsbittersweet nightshade (Solanum dulcamara)bittersweet nightshadeSolanum dulcamara · Flowering plantsPhoto © Alexander Baransky · CC BY-NC 4.0No season shown24 recordscatchweed bedstraw (Galium aparine)catchweed bedstrawGalium aparine · Flowering plantsPhoto © Magnus Hagdorn · CC BY-SA 4.0No season shown20 recordscommon dandelion (Taraxacum officinale)common dandelionTaraxacum officinale · Flowering plantsPhoto © Paul Reeves · CC BY-NC-SA 4.0No season shown23 recordscommon reed (Phragmites australis)common reedPhragmites australis · Flowering plantsPhoto © Luca Boscain · CC BY-NC 4.0No season shown33 recordsdame's rocket (Hesperis matronalis)dame's rocketHesperis matronalis · Flowering plantsPhoto © Wolfgang Bacher · CC BY-NC 4.0No season shown41 recordsgarlic mustard (Alliaria petiolata)garlic mustardAlliaria petiolata · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0No season shown68 recordsgreat mullein (Verbascum thapsus)great mulleinVerbascum thapsus · Flowering plantsPhoto © adrienne alms · CC BY-NC 4.0No season shown32 recordsground-ivy (Glechoma hederacea)ground-ivyGlechoma hederacea · Flowering plantsPhoto © viktorie_kolouchova · CC BY-NC 4.0No season shown32 recordsHouse Sparrow (Passer domesticus)House SparrowPasser domesticus · BirdsPhoto © Ximo Galarza · CC BY-NC-SA 4.0No season shown42 recordsJapanese Beetle (Popillia japonica)Japanese BeetlePopillia japonica · BeetlesPhoto © Ingrid Kaatz · CC BY-NC 4.0No season shown21 recordsmultiflora rose (Rosa multiflora)multiflora roseRosa multiflora · Flowering plantsPhoto © Douglas Goldman · CC BY-SA 4.0No season shown61 recordsRed Clover (Trifolium pratense)Red CloverTrifolium pratense · Flowering plantsPhoto © Hornbeam Arts · CC BY-NC 4.0No season shown25 recordsred deadnettle (Lamium purpureum)red deadnettleLamium purpureum · Flowering plantsPhoto © Katrina Winthrop · CC BY-NC 4.0No season shown40 recordsSmall White (Pieris rapae)Small WhitePieris rapae · Butterflies and mothsPhoto © Liu JimFood · CC BY-NC 4.0No season shown35 recordsWestern Honey Bee (Apis mellifera)Western Honey BeeApis mellifera · Bees, wasps and antsPhoto © Lê Thanh Hoa · CC BY-NC 4.0No season shown102 recordswild carrot (Daucus carota)wild carrotDaucus carota · Flowering plantsPhoto © Nancy Phillips · CC BY-NC 4.0No season shown31 recordswild teasel (Dipsacus fullonum)wild teaselDipsacus fullonum · Flowering plantsPhoto © Andreas Rockstein · CC BY-SA 4.0No season shown20 records

Missing records do not mean a species is absent.