Ohio

• Adams 39001
  1,331 taxa Open ↗
• Allen 39003
  1,038 taxa Open ↗
• Ashland 39005
  998 taxa Open ↗
• Ashtabula 39007
  1,437 taxa Open ↗
• Athens 39009
  1,149 taxa Open ↗
• Auglaize 39011
  958 taxa Open ↗
• Belmont 39013
  945 taxa Open ↗
• Brown 39015
  629 taxa Open ↗
• Butler 39017
  850 taxa Open ↗
• Carroll 39019
  933 taxa Open ↗

Showing 1,401–1,450 of 3,424.

• 
  Gillenia trifoliata (L.) Moench Native GITR6

  Bowman's root · Rosaceae 6 counties
• 
  Ginkgo biloba L. Introduced GIBI2

  maidenhair tree · Ginkgoaceae 2 counties
• 
  Glandularia canadensis (L.) Nutt. Native GLCA2

  rose mock vervain · Verbenaceae 17 counties
• ⚘
  Glandularia ×hybrida (Groenl. & Rümpler) G.L. Nesom & Pruski [peruviana × phlogiflora or platensis] Introduced GLHY

  mock vervain · Verbenaceae 1 county
• 
  Glechoma hederacea L. Introduced GLHE2

  ground ivy · Lamiaceae 82 counties
• 
  Gleditsia triacanthos L. Native GLTR

  honeylocust · Fabaceae 88 counties
• 
  Glyceria acutiflora Torr. Native GLAC

  creeping mannagrass · Poaceae 2 counties
• 
  Glyceria borealis (Nash) Batchelder Native GLBO

  small floating mannagrass · Poaceae 1 county
• 
  Glyceria canadensis (Michx.) Trin. Native GLCA

  rattlesnake mannagrass · Poaceae 14 counties
• 
  Glyceria grandis S. Watson Native GLGR

  American mannagrass · Poaceae 5 counties
• 
  Glyceria grandis S. Watson var. grandis Native GLGRG

  American mannagrass · Poaceae 5 counties
• 
  Glyceria melicaria (Michx.) F.T. Hubbard Native GLME2

  melic mannagrass · Poaceae 9 counties
• 
  Glyceria septentrionalis Hitchc. Native GLSE3

  floating mannagrass · Poaceae 45 counties
• 
  Glyceria striata (Lam.) Hitchc. Native GLST

  fowl mannagrass · Poaceae 81 counties
• 
  Glycine max (L.) Merr. Introduced GLMA4

  soybean · Fabaceae 7 counties
• 
  Gnaphalium uliginosum L. Introduced GNUL

  marsh cudweed · Asteraceae 32 counties
• 
  Gomphrena globosa L. Introduced GOGL

  common globe amaranth · Amaranthaceae 2 counties
• 
  Goodyera pubescens (Willd.) R. Br. Native GOPU

  downy rattlesnake plantain · Orchidaceae 46 counties
• 
  Goodyera repens (L.) R. Br. Native GORE2

  lesser rattlesnake plantain · Orchidaceae 1 county
• 
  Goodyera tesselata Lodd. Native GOTE

  checkered rattlesnake plantain · Orchidaceae 1 county
• 
  Gratiola neglecta Torr. Native GRNE

  clammy hedgehyssop · Scrophulariaceae 69 counties
• 
  Gratiola virginiana L. Native GRVI

  roundfruit hedgehyssop · Scrophulariaceae 5 counties
• 
  Gratiola virginiana L. var. virginiana Native GRVIV

  roundfruit hedgehyssop · Scrophulariaceae 5 counties
• 
  Gratiola viscidula Pennell Native GRVI2

  Short's hedgehyssop · Scrophulariaceae 4 counties
• 
  Grindelia lanceolata Nutt. Native GRLA3

  narrowleaf gumweed · Asteraceae 1 county
• 
  Grindelia lanceolata Nutt. var. lanceolata Native GRLAL

  narrowleaf gumweed · Asteraceae 1 county
• 
  Grindelia squarrosa (Pursh) Dunal Native GRSQ

  curlycup gumweed · Asteraceae 15 counties
• 
  Grindelia squarrosa (Pursh) Dunal var. serrulata (Rydb.) Steyerm. Native GRSQS

  curlycup gumweed · Asteraceae 4 counties
• 
  Grindelia squarrosa (Pursh) Dunal var. squarrosa Native GRSQS2

  curlycup gumweed · Asteraceae 10 counties
• 
  Gymnocarpium appalachianum Pryer Native GYAP

  Appalachian oakfern · Dryopteridaceae 2 counties
• 
  Gymnocarpium dryopteris (L.) Newman Native GYDR

  western oakfern · Dryopteridaceae 11 counties
• 
  Gymnocladus dioicus (L.) K. Koch Native GYDI

  Kentucky coffeetree · Fabaceae 56 counties
• 
  Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb. Native GYAM

  bearded skeletongrass · Poaceae 1 county
• 
  Gypsophila muralis L. Introduced GYMU

  low baby's-breath · Caryophyllaceae 1 county
• 
  Gypsophila paniculata L. Introduced GYPA

  baby's breath · Caryophyllaceae 1 county
• 
  Gypsophila scorzonerifolia Ser. Introduced GYSC

  garden baby's-breath · Caryophyllaceae 1 county
• 
  Hackelia deflexa (Wahlenb.) Opiz Native HADE

  nodding stickseed · Boraginaceae 1 county
• 
  Hackelia deflexa (Wahlenb.) Opiz var. americana (A. Gray) Fernald & I.M. Johnst. Native HADEA

  American stickseed · Boraginaceae 1 county
• 
  Hackelia virginiana (L.) I.M. Johnst. Native HAVI2

  beggarslice · Boraginaceae 67 counties
• 
  Halesia tetraptera Ellis Native HATE3

  mountain silverbell · Styracaceae 2 counties
• 
  Halesia tetraptera Ellis var. tetraptera Native HATET

  mountain silverbell · Styracaceae 2 counties
• 
  Hamamelis virginiana L. Native HAVI4

  American witchhazel · Hamamelidaceae 76 counties
• 
  Hasteola suaveolens (L.) Pojark. Native HASU3

  false Indian plantain · Asteraceae 13 counties
• 
  Hedeoma hispida Pursh Native HEHI

  rough false pennyroyal · Lamiaceae 7 counties
• 
  Hedeoma pulegioides (L.) Pers. Native HEPU

  American false pennyroyal · Lamiaceae 81 counties
• 
  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae 7 counties
• 
  Helenium amarum (Raf.) H. Rock Native HEAM

  sneezeweed · Asteraceae 4 counties
• 
  Helenium amarum (Raf.) H. Rock var. amarum Native HEAMA

  sneezeweed · Asteraceae 4 counties
• 
  Helenium autumnale L. Native HEAU

  common sneezeweed · Asteraceae 75 counties
• 
  Helenium autumnale L. var. autumnale Native HEAUA

  common sneezeweed · Asteraceae 75 counties