Tennessee

• Anderson 47001
  994 taxa Open ↗
• Bedford 47003
  476 taxa Open ↗
• Benton 47005
  693 taxa Open ↗
• Bledsoe 47007
  844 taxa Open ↗
• Blount 47009
  1,521 taxa Open ↗
• Bradley 47011
  466 taxa Open ↗
• Campbell 47013
  809 taxa Open ↗
• Cannon 47015
  543 taxa Open ↗
• Carroll 47017
  626 taxa Open ↗
• Carter 47019
  1,015 taxa Open ↗

Showing 2,101–2,150 of 3,487.

• 
  Oligoneuron rigidum (L.) Small Native OLRI

  stiff goldenrod · Asteraceae 11 counties
• 
  Oligoneuron rigidum (L.) Small var. glabratum (E.L. Braun) G.L. Nesom Native OLRIG

  stiff goldenrod · Asteraceae 7 counties
• 
  Oligoneuron rigidum (L.) Small var. rigidum Native OLRIR

  stiff goldenrod · Asteraceae 7 counties
• 
  Onoclea sensibilis L. Native ONSE

  sensitive fern · Dryopteridaceae 77 counties
• 
  Onosmodium bejariense DC. ex A. DC. Native ONBE

  soft-hair marbleseed · Boraginaceae 17 counties
• 
  Onosmodium bejariense DC. ex A. DC. var. bejariense Native ONBEB

  soft-hair marbleseed · Boraginaceae 17 counties
• 
  Onosmodium bejariense DC. ex A. DC. var. hispidissimum (Mack.) B.L. Turner Native ONBEH

  softhair marbleseed · Boraginaceae 3 counties
• 
  Onosmodium bejariense DC. ex A. DC. var. occidentale (Mack.) B.L. Turner Native ONBEO

  western marbleseed · Boraginaceae 5 counties
• 
  Onosmodium bejariense DC. ex A. DC. var. subsetosum (Mack. & Bush) B.L. Turner Native ONBES

  softhair marbleseed · Boraginaceae 2 counties
• 
  Ophioglossum crotalophoroides Walter Native OPCR

  bulbous adderstongue · Ophioglossaceae 1 county
• 
  Ophioglossum crotalophoroides Walter var. crotalophoroides Native OPCRC

  bulbous adderstongue · Ophioglossaceae 1 county
• 
  Ophioglossum engelmannii Prantl Native OPEN

  limestone adderstongue · Ophioglossaceae 19 counties
• 
  Ophioglossum vulgatum L. Native OPVU

  southern adderstongue · Ophioglossaceae 32 counties
• 
  Opuntia humifusa (Raf.) Raf. Native OPHU

  devil's-tongue · Cactaceae 23 counties
• 
  Orbexilum onobrychis (Nutt.) Rydb. Native ORON

  French-grass · Fabaceae 10 counties
• 
  Orbexilum pedunculatum (Mill.) Rydb. Native ORPE

  Sampson's snakeroot · Fabaceae 43 counties
• 
  Orbexilum pedunculatum (Mill.) Rydb. var. pedunculatum Native ORPEP2

  Sampson's snakeroot · Fabaceae 43 counties
• 
  Ornithogalum umbellatum L. Introduced ORUM

  star of Bethlehem · Liliaceae 28 counties
• 
  Orobanche ludoviciana Nutt. Native ORLU

  Louisiana broomrape · Orobanchaceae 2 counties
• 
  Orobanche ludoviciana Nutt. ssp. ludoviciana Native ORLUL2

  Louisiana broomrape · Orobanchaceae 2 counties
• 
  Orobanche minor Sm. Introduced ORMI

  hellroot · Orobanchaceae 1 county
• 
  Orobanche riparia L.T. Collins Native ORRI

  River Broom-Rape · Orobanchaceae 1 county
• 
  Orobanche uniflora L. Native ORUN

  oneflowered broomrape · Orobanchaceae 17 counties
• 
  Orontium aquaticum L. Native ORAQ

  goldenclub · Araceae 10 counties
• 
  Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCL

  Clayton's sweetroot · Apiaceae 34 counties
• 
  Osmorhiza longistylis (Torr.) DC. Native OSLO

  longstyle sweetroot · Apiaceae 40 counties
• 
  Osmunda cinnamomea L. Native OSCI

  cinnamon fern · Osmundaceae 63 counties
• 
  Osmunda cinnamomea L. var. cinnamomea Native OSCIC

  cinnamon fern · Osmundaceae 61 counties
• 
  Osmunda claytoniana L. Native OSCL2

  interrupted fern · Osmundaceae 24 counties
• 
  Osmunda regalis L. Native OSRE

  royal fern · Osmundaceae 73 counties
• 
  Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRES

  royal fern · Osmundaceae 73 counties
• 
  Ostrya virginiana (Mill.) K. Koch Native OSVI

  hophornbeam · Betulaceae 75 counties
• 
  Oxalis corniculata L. Native OXCO

  creeping woodsorrel · Oxalidaceae 4 counties
• 
  Oxalis dillenii Jacq. Native OXDI2

  slender yellow woodsorrel · Oxalidaceae 15 counties
• 
  Oxalis grandis Small Native OXGR

  great yellow woodsorrel · Oxalidaceae 41 counties
• 
  Oxalis montana Raf. Native OXMO

  mountain woodsorrel · Oxalidaceae 12 counties
• 
  Oxalis priceae Small Native OXPR

  tufted yellow woodsorrel · Oxalidaceae 8 counties
• 
  Oxalis priceae Small ssp. priceae Native OXPRP

  tufted yellow woodsorrel · Oxalidaceae 8 counties
• 
  Oxalis stricta L. Native OXST

  common yellow oxalis · Oxalidaceae 72 counties
• 
  Oxalis violacea L. Native OXVI

  violet woodsorrel · Oxalidaceae 62 counties
• 
  Oxydendrum arboreum (L.) DC. Native OXAR

  sourwood · Ericaceae 67 counties
• 
  Oxypolis rigidior (L.) Raf. Native OXRI

  stiff cowbane · Apiaceae 42 counties
• 
  Pachysandra procumbens Michx. Native PAPR7

  Allegheny-spurge · Buxaceae 43 counties
• 
  Packera anonyma (Alph. Wood) W.A. Weber & Á. Löve Native PAAN6

  Small's ragwort · Asteraceae 60 counties
• 
  Packera aurea (L.) Á. Löve & D. Löve Native PAAU3

  golden ragwort · Asteraceae 38 counties
• 
  Packera glabella (Poir.) C. Jeffrey Native PAGL17

  butterweed · Asteraceae 42 counties
• 
  Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve Native PAOB6

  roundleaf ragwort · Asteraceae 53 counties
• 
  Packera paupercula (Michx.) Á. Löve & D. Löve Native PAPA20

  balsam groundsel · Asteraceae 8 counties
• 
  Packera plattensis (Nutt.) W.A. Weber & Á. Löve Native PAPL12

  prairie groundsel · Asteraceae 3 counties
• 
  Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve Native PASC19

  Schweinitz's ragwort · Asteraceae 2 counties