New York

• Albany 36001
  1,960 taxa Open ↗
• Allegany 36003
  637 taxa Open ↗
• Bronx 36005
  2,098 taxa Open ↗
• Broome 36007
  421 taxa Open ↗
• Cattaraugus 36009
  1,554 taxa Open ↗
• Cayuga 36011
  1,055 taxa Open ↗
• Chautauqua 36013
  856 taxa Open ↗
• Chemung 36015
  1,296 taxa Open ↗
• Chenango 36017
  856 taxa Open ↗
• Clinton 36019
  943 taxa Open ↗

Showing 2,801–2,850 of 4,587.

• 
  Nyssa sylvatica Marshall Native NYSY

  blackgum · Cornaceae 40 counties
• 
  Ocimum basilicum L. Introduced OCBA

  sweet basil · Lamiaceae 3 counties
• 
  Oclemena acuminata (Michx.) Greene Native OCAC

  whorled wood aster · Asteraceae 40 counties
• 
  Oclemena nemoralis (Aiton) Greene Native OCNE2

  bog aster · Asteraceae 10 counties
• ⚘
  Oclemena ×blakei (Porter) G.L. Nesom [acuminata × nemoralis] Native OCBL

  aster · Asteraceae 3 counties
• 
  Odontites vernus (Bellardi) Dumort. Introduced ODVE

  red bartsia · Scrophulariaceae 1 county
• 
  Odontites vernus (Bellardi) Dumort. ssp. serotinus (Dumort.) Corb. Introduced ODVES

  red bartsia · Scrophulariaceae 1 county
• 
  Oenothera albicaulis Pursh Native OEAL

  whitest evening primrose · Onagraceae 1 county
• 
  Oenothera biennis L. Native OEBI

  common evening primrose · Onagraceae 35 counties
• 
  Oenothera clelandii W. Dietr., P.H. Raven & W.L. Wagner Native OECL3

  Cleland's evening primrose · Onagraceae 3 counties
• 
  Oenothera fruticosa L. Native OEFR

  narrowleaf evening primrose · Onagraceae 18 counties
• 
  Oenothera fruticosa L. ssp. fruticosa Native OEFRF

  narrowleaf evening primrose · Onagraceae 6 counties
• 
  Oenothera fruticosa L. ssp. tetragona (Roth) W.L. Wagner Native OEFRT

  narrowleaf evening primrose · Onagraceae 15 counties
• 
  Oenothera gaura W.L. Wagner & Hoch Native OEGA

  biennial beeblossom · Onagraceae 22 counties
• 
  Oenothera glazioviana Micheli Introduced OEGL

  redsepal evening primrose · Onagraceae 1 county
• 
  Oenothera grandis (Britton) Smyth Native OEGR2

  showy evening primrose · Onagraceae 1 county
• 
  Oenothera laciniata Hill Native OELA

  cutleaf evening primrose · Onagraceae 14 counties
• 
  Oenothera nutans Atk. & Bartlett Native OENU2

  nodding evening primrose · Onagraceae 3 counties
• 
  Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult. Native OEOA

  Oakes' evening primrose · Onagraceae 10 counties
• 
  Oenothera parviflora L. Native OEPA5

  northern evening primrose · Onagraceae 32 counties
• 
  Oenothera perennis L. Native OEPE

  little evening primrose · Onagraceae 38 counties
• 
  Oenothera pilosella Raf. Native OEPI2

  meadow evening primrose · Onagraceae 8 counties
• 
  Oenothera pilosella Raf. ssp. pilosella Native OEPIP

  meadow evening primrose · Onagraceae 7 counties
• 
  Oenothera speciosa Nutt. Native OESP2

  pinkladies · Onagraceae 1 county
• 
  Oenothera suffrutescens (Ser.) W.L. Wagner & Hoch Native OESU3

  scarlet beeblossom · Onagraceae 2 counties
• 
  Oenothera villosa Thunb. Native OEVI

  hairy evening primrose · Onagraceae 3 counties
• 
  Oenothera villosa Thunb. ssp. villosa Native OEVIV

  hairy evening primrose · Onagraceae 1 county
• 
  Oldenlandia uniflora L. Native OLUN

  clustered mille graines · Rubiaceae 8 counties
• 
  Oligoneuron album (Nutt.) G.L. Nesom Native OLAL2

  prairie goldenrod · Asteraceae 7 counties
• 
  Oligoneuron houghtonii (Torr. & A. Gray ex A. Gray) G.L. Nesom Native OLHO

  Houghton's goldenrod · Asteraceae 2 counties
• 
  Oligoneuron ohioense (Frank ex Riddell) G.N. Jones Native OLOH

  Ohio goldenrod · Asteraceae 11 counties
• 
  Oligoneuron rigidum (L.) Small Native OLRI

  stiff goldenrod · Asteraceae 15 counties
• 
  Oligoneuron rigidum (L.) Small var. rigidum Native OLRIR

  stiff goldenrod · Asteraceae 11 counties
• 
  Omalotheca sylvatica (L.) Sch. Bip. & F.W. Schultz Native OMSY

  woodland arctic cudweed · Asteraceae 2 counties
• 
  Onobrychis viciifolia Scop. Introduced ONVI

  sainfoin · Fabaceae 2 counties
• 
  Onoclea sensibilis L. Native ONSE

  sensitive fern · Dryopteridaceae 61 counties
• 
  Ononis arvensis L. Introduced ONAR

  field restharrow · Fabaceae 2 counties
• ⚘
  Ononis repens L. Introduced ONRE

  common restharrow · Fabaceae 2 counties
• 
  Onopordum acanthium L. Introduced ONAC

  Scotch cottonthistle · Asteraceae 14 counties
• 
  Onosmodium bejariense DC. ex A. DC. Native ONBE

  soft-hair marbleseed · Boraginaceae 11 counties
• 
  Onosmodium bejariense DC. ex A. DC. var. hispidissimum (Mack.) B.L. Turner Native ONBEH

  softhair marbleseed · Boraginaceae 11 counties
• 
  Onosmodium virginianum (L.) A. DC. Native ONVI2

  wild Job's tears · Boraginaceae 14 counties
• 
  Ophioglossum pusillum Raf. Native OPPU3

  northern adderstongue · Ophioglossaceae 49 counties
• 
  Ophioglossum vulgatum L. Native OPVU

  southern adderstongue · Ophioglossaceae 1 county
• 
  Oplopanax horridus (Sm.) Miq. Native OPHO

  devilsclub · Araliaceae 1 county
• 
  Opuntia humifusa (Raf.) Raf. Native OPHU

  devil's-tongue · Cactaceae 12 counties
• 
  Origanum vulgare L. Introduced ORVU

  oregano · Lamiaceae 32 counties
• 
  Ornithogalum nutans L. Introduced ORNU

  drooping star of Bethlehem · Liliaceae 6 counties
• 
  Ornithogalum thyrsoides Jacq. Introduced ORTH4

  wonder flower · Liliaceae 1 county
• 
  Ornithogalum umbellatum L. Introduced ORUM

  star of Bethlehem · Liliaceae 23 counties