Iowa

• Adair 19001
  393 taxa Open ↗
• Adams 19003
  200 taxa Open ↗
• Allamakee 19005
  118 taxa Open ↗
• Appanoose 19007
  38 taxa Open ↗
• Audubon 19009
  225 taxa Open ↗
• Benton 19011
  21 taxa Open ↗
• Black Hawk 19013
  33 taxa Open ↗
• Boone 19015
  146 taxa Open ↗
• Bremer 19017
  24 taxa Open ↗
• Buchanan 19019
  16 taxa Open ↗

Showing 1,601–1,650 of 2,225.

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  Potamogeton pusillus L. ssp. tenuissimus (Mert. & W.D.J. Koch) Haynes & C.B. Hellquist Native POPUT3

  small pondweed · Potamogetonaceae 2 counties
• 
  Potamogeton richardsonii (Benn.) Rydb. Native PORI2

  Richardson's pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton zosteriformis Fernald Native POZO

  flatstem pondweed · Potamogetonaceae 2 counties
• 
  Potentilla argentea L. Introduced POAR8

  silver cinquefoil · Rosaceae 3 counties
• 
  Potentilla argentea L. var. argentea Introduced POARA3

  silver cinquefoil · Rosaceae 3 counties
• 
  Potentilla arguta Pursh Native POAR7

  tall cinquefoil · Rosaceae 17 counties
• 
  Potentilla arguta Pursh ssp. arguta Native POARA4

  tall cinquefoil · Rosaceae 17 counties
• 
  Potentilla intermedia L. Introduced POIN8

  downy cinquefoil · Rosaceae 1 county
• 
  Potentilla norvegica L. Native PONO3

  Norwegian cinquefoil · Rosaceae 26 counties
• 
  Potentilla norvegica L. ssp. monspeliensis (L.) Asch. & Graebn. Native PONOM

  Norwegian cinquefoil · Rosaceae 26 counties
• ⚘
  Potentilla paradoxa Nutt. Native POPA15

  Paradox cinquefoil · Rosaceae 7 counties
• 
  Potentilla pensylvanica L. Native POPE8

  Pennsylvania cinquefoil · Rosaceae 1 county
• 
  Potentilla pensylvanica L. var. pensylvanica Native POPEP5

  Pennsylvania cinquefoil · Rosaceae 1 county
• 
  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae 13 counties
• 
  Potentilla rivalis Nutt. Native PORI3

  brook cinquefoil · Rosaceae 3 counties
• 
  Potentilla simplex Michx. Native POSI2

  common cinquefoil · Rosaceae 8 counties
• 
  Prenanthes alba L. Native PRAL2

  white rattlesnakeroot · Asteraceae 9 counties
• 
  Prenanthes aspera Michx. Native PRAS

  rough rattlesnakeroot · Asteraceae 13 counties
• 
  Prenanthes crepidinea Michx. Native PRCR

  nodding rattlesnakeroot · Asteraceae 2 counties
• 
  Prenanthes racemosa Michx. Native PRRA

  purple rattlesnakeroot · Asteraceae 10 counties
• 
  Prenanthes racemosa Michx. var. multiflora (Cronquist) Dorn Native PRRAM2

  purple rattlesnakeroot · Asteraceae 8 counties
• 
  Proboscidea louisianica (Mill.) Thell. Native PRLO

  ram's horn · Pedaliaceae 2 counties
• 
  Proboscidea louisianica (Mill.) Thell. ssp. louisianica Native PRLOL

  ram's horn · Pedaliaceae 2 counties
• 
  Proserpinaca palustris L. Native PRPA3

  marsh mermaidweed · Haloragaceae 1 county
• 
  Prunella vulgaris L. Native PRVU

  common selfheal · Lamiaceae 12 counties
• 
  Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2

  lance selfheal · Lamiaceae 4 counties
• 
  Prunus americana Marshall Native PRAM

  American plum · Rosaceae 26 counties
• 
  Prunus angustifolia Marshall Native PRAN3

  Chickasaw plum · Rosaceae 1 county
• 
  Prunus angustifolia Marshall var. angustifolia Native PRANA

  Chickasaw plum · Rosaceae 1 county
• 
  Prunus hortulana L.H. Bailey Native PRHO

  hortulan plum · Rosaceae 2 counties
• 
  Prunus mexicana S. Watson Native PRME

  Mexican plum · Rosaceae 4 counties
• 
  Prunus munsoniana W. Wight & Hedrick Native PRMU

  wild goose plum · Rosaceae 1 county
• 
  Prunus nigra Aiton Native PRNI

  Canadian plum · Rosaceae 2 counties
• 
  Prunus pensylvanica L. f. Native PRPE2

  pin cherry · Rosaceae 2 counties
• 
  Prunus pensylvanica L. f. var. pensylvanica Native PRPEP

  pin cherry · Rosaceae 2 counties
• 
  Prunus persica (L.) Batsch Introduced PRPE3

  peach · Rosaceae 1 county
• 
  Prunus persica (L.) Batsch var. persica Introduced PRPEP2

  peach · Rosaceae 1 county
• 
  Prunus pumila L. Native PRPU3

  sandcherry · Rosaceae 2 counties
• 
  Prunus pumila L. var. besseyi (L.H. Bailey) Gleason Native PRPUB

  western sandcherry · Rosaceae 1 county
• 
  Prunus serotina Ehrh. Native PRSE2

  black cherry · Rosaceae 23 counties
• 
  Prunus serotina Ehrh. var. serotina Native PRSES

  black cherry · Rosaceae 23 counties
• 
  Prunus susquehanae hort. ex Willd. Native PRSU3

  Sesquehana sandcherry · Rosaceae 1 county
• 
  Prunus virginiana L. Native PRVI

  chokecherry · Rosaceae 28 counties
• 
  Prunus virginiana L. var. demissa (Nutt.) Torr. Native PRVID

  western chokecherry · Rosaceae 23 counties
• 
  Prunus virginiana L. var. melanocarpa (A. Nelson) Sarg. Native PRVIM

  black chokecherry · Rosaceae 1 county
• 
  Prunus virginiana L. var. virginiana Native PRVIV

  chokecherry · Rosaceae 3 counties
• 
  Pseudognaphalium obtusifolium (L.) Hilliard & B.L. Burtt Native PSOB3

  rabbit-tobacco · Asteraceae 9 counties
• 
  Pseudognaphalium obtusifolium (L.) Hilliard & B.L. Burtt ssp. obtusifolium Native PSOBO

  rabbit-tobacco · Asteraceae 9 counties
• 
  Psoralidium lanceolatum (Pursh) Rydb. Native PSLA3

  lemon scurfpea · Fabaceae 2 counties
• 
  Psoralidium tenuiflorum (Pursh) Rydb. Native PSTE5

  slimflower scurfpea · Fabaceae 6 counties