Polk County

Showing 501–550 of 694 (native).

• 
  Quercus falcata Michx. Native QUFA

  southern red oak · Fagaceae
• 
  Quercus incana W. Bartram Native QUIN

  bluejack oak · Fagaceae
• 
  Quercus margaretta (Ashe) Small Native QUMA13

  sand post oak · Fagaceae
• 
  Quercus michauxii Nutt. Native QUMI

  swamp chestnut oak · Fagaceae
• 
  Quercus nigra L. Native QUNI

  water oak · Fagaceae
• 
  Quercus phellos L. Native QUPH

  willow oak · Fagaceae
• 
  Ranunculus abortivus L. Native RAAB

  littleleaf buttercup · Ranunculaceae
• 
  Ranunculus fascicularis Muhl. ex Bigelow Native RAFA

  early buttercup · Ranunculaceae
• 
  Ranunculus hispidus Michx. Native RAHI

  bristly buttercup · Ranunculaceae
• 
  Ranunculus hispidus Michx. var. nitidus (Chapm.) T. Duncan Native RAHIN

  bristly buttercup · Ranunculaceae
• 
  Ranunculus pusillus Poir. Native RAPU

  low spearwort · Ranunculaceae
• 
  Ranunculus recurvatus Poir. Native RARE2

  blisterwort · Ranunculaceae
• 
  Ranunculus recurvatus Poir. var. recurvatus Native RARER2

  blisterwort · Ranunculaceae
• 
  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
• 
  Rhexia mariana L. Native RHMA

  Maryland meadowbeauty · Melastomataceae
• 
  Rhexia mariana L. var. mariana Native RHMAM2

  Maryland meadowbeauty · Melastomataceae
• 
  Rhododendron canescens (Michx.) Sweet Native RHCA7

  mountain azalea · Ericaceae
• 
  Rhododendron viscosum (L.) Torr. Native RHVI2

  swamp azalea · Ericaceae
• 
  Rhus aromatica Aiton Native RHAR4

  fragrant sumac · Anacardiaceae
• 
  Rhus aromatica Aiton var. aromatica Native RHARA2

  fragrant sumac · Anacardiaceae
• 
  Rhus copallinum L. Native RHCO

  winged sumac · Anacardiaceae
• 
  Rhus copallinum L. var. latifolia Engl. Native RHCOL2

  winged sumac · Anacardiaceae
• 
  Rhus glabra L. Native RHGL

  smooth sumac · Anacardiaceae
• 
  Rhynchosia latifolia Nutt. ex Torr. & A. Gray Native RHLA5

  prairie snoutbean · Fabaceae
• 
  Rhynchosia minima (L.) DC. Native RHMI4

  least snoutbean · Fabaceae
• 
  Rhynchosia reniformis DC. Native RHRE

  dollarleaf · Fabaceae
• 
  Rhynchospora caduca Elliott Native RHCA9

  anglestem beaksedge · Cyperaceae
• 
  Rhynchospora corniculata (Lam.) A. Gray Native RHCO2

  shortbristle horned beaksedge · Cyperaceae
• 
  Rhynchospora globularis (Chapm.) Small Native RHGL2

  globe beaksedge · Cyperaceae
• 
  Rhynchospora glomerata (L.) Vahl Native RHGL3

  clustered beaksedge · Cyperaceae
• 
  Rhynchospora gracilenta A. Gray Native RHGR

  slender beaksedge · Cyperaceae
• 
  Rhynchospora harveyi W. Boott Native RHHA

  Harvey's beaksedge · Cyperaceae
• 
  Rhynchospora harveyi W. Boott var. harveyi Native RHHAH

  Harvey's beaksedge · Cyperaceae
• 
  Rhynchospora inexpansa (Michx.) Vahl Native RHIN4

  nodding beaksedge · Cyperaceae
• 
  Rhynchospora mixta Britton Native RHMI9

  mingled beaksedge · Cyperaceae
• 
  Rhynchospora pusilla Chapm. ex M.A. Curtis Native RHPU3

  fairy beaksedge · Cyperaceae
• 
  Rhynchospora rariflora (Michx.) Elliott Native RHRA2

  fewflower beaksedge · Cyperaceae
• 
  Richardia scabra L. Native RISC

  rough Mexican clover · Rubiaceae
• 
  Rubus apogaeus L.H. Bailey Native RUAP

  falling dewberry · Rosaceae
• 
  Rubus trivialis Michx. Native RUTR

  southern dewberry · Rosaceae
• 
  Rudbeckia grandiflora (D. Don) J.F. Gmel. ex DC. Native RUGR

  rough coneflower · Asteraceae
• 
  Rudbeckia hirta L. Native RUHI2

  blackeyed Susan · Asteraceae
• 
  Rudbeckia missouriensis Engelm. ex C.L. Boynt. & Beadle Native RUMI

  Missouri orange coneflower · Asteraceae
• 
  Ruellia humilis Nutt. Native RUHU

  fringeleaf wild petunia · Acanthaceae
• 
  Ruellia pedunculata Torr. ex A. Gray Native RUPE4

  stalked wild petunia · Acanthaceae
• 
  Ruellia strepens L. Native RUST2

  limestone wild petunia · Acanthaceae
• 
  Sabatia campestris Nutt. Native SACA3

  Texas star · Gentianaceae
• 
  Sabatia gentianoides Elliott Native SAGE

  pinewoods rose gentian · Gentianaceae
• 
  Saccharum brevibarbe (Michx.) Pers. Native SABR18

  shortbeard plumegrass · Poaceae
• 
  Sagittaria brevirostra Mack. & Bush Native SABR8

  shortbeak arrowhead · Alismataceae