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 1,501–1,550 of 2,225.

• 
  Plantago lanceolata L. Introduced PLLA

  narrowleaf plantain · Plantaginaceae 13 counties
• 
  Plantago major L. Introduced PLMA2

  common plantain · Plantaginaceae 9 counties
• 
  Plantago patagonica Jacq. Native PLPA2

  woolly plantain · Plantaginaceae 13 counties
• 
  Plantago pusilla Nutt. Native PLPU

  dwarf plantain · Plantaginaceae 1 county
• 
  Plantago rugelii Decne. Native PLRU

  blackseed plantain · Plantaginaceae 23 counties
• 
  Plantago rugelii Decne. var. rugelii Native PLRUR

  blackseed plantain · Plantaginaceae 23 counties
• 
  Plantago virginica L. Native PLVI

  Virginia plantain · Plantaginaceae 4 counties
• 
  Platanthera dilatata (Pursh) Lindl. ex Beck Native PLDI3

  scentbottle · Orchidaceae 1 county
• 
  Platanthera dilatata (Pursh) Lindl. ex Beck var. dilatata Native PLDID

  scentbottle · Orchidaceae 1 county
• 
  Platanthera flava (L.) Lindl. Native PLFL

  palegreen orchid · Orchidaceae 2 counties
• 
  Platanthera flava (L.) Lindl. var. herbiola (R. Br.) Luer Native PLFLH

  palegreen orchid · Orchidaceae 2 counties
• 
  Platanthera hookeri (Torr. ex A. Gray) Lindl. Native PLHO3

  Hooker's orchid · Orchidaceae 2 counties
• 
  Platanthera lacera (Michx.) G. Don Native PLLA2

  green fringed orchid · Orchidaceae 1 county
• 
  Platanthera leucophaea (Nutt.) Lindl. Native PLLE2

  prairie white fringed orchid · Orchidaceae 15 counties
• 
  Platanthera praeclara Sheviak & Bowles Native PLPR4

  Great Plains white fringed orchid · Orchidaceae 1 county
• 
  Platanthera psycodes (L.) Lindl. Native PLPS2

  lesser purple fringed orchid · Orchidaceae 1 county
• 
  Platanus occidentalis L. Native PLOC

  American sycamore · Platanaceae 9 counties
• 
  Poa annua L. Introduced POAN

  annual bluegrass · Poaceae 18 counties
• 
  Poa arida Vasey Native POAR3

  plains bluegrass · Poaceae 1 county
• 
  Poa chapmaniana Scribn. Native POCH2

  Chapman's bluegrass · Poaceae 4 counties
• 
  Poa compressa L. Introduced POCO

  Canada bluegrass · Poaceae 32 counties
• 
  Poa palustris L. Native POPA2

  fowl bluegrass · Poaceae 22 counties
• 
  Poa pratensis L. Both POPR

  Kentucky bluegrass · Poaceae 45 counties
• 
  Poa pratensis L. ssp. pratensis Introduced POPRP2

  Kentucky bluegrass · Poaceae 45 counties
• 
  Poa sylvestris A. Gray Native POSY

  woodland bluegrass · Poaceae 9 counties
• 
  Podophyllum peltatum L. Native POPE

  mayapple · Berberidaceae 9 counties
• 
  Polanisia dodecandra (L.) DC. Native PODO3

  redwhisker clammyweed · Capparaceae 11 counties
• 
  Polanisia dodecandra (L.) DC. ssp. dodecandra Native PODOD

  redwhisker clammyweed · Capparaceae 3 counties
• 
  Polanisia dodecandra (L.) DC. ssp. trachysperma (Torr. & A. Gray) Iltis Native PODOT

  sandyseed clammyweed · Capparaceae 8 counties
• 
  Polanisia jamesii (Torr. & A. Gray) Iltis Native POJA3

  James' clammyweed · Capparaceae 1 county
• 
  Polemonium reptans L. Native PORE2

  Greek valerian · Polemoniaceae 6 counties
• 
  Polemonium reptans L. var. reptans Native PORER

  Greek valerian · Polemoniaceae 6 counties
• 
  Polygala ambigua Nutt. Native POAM9

  whorled milkwort · Polygalaceae 1 county
• 
  Polygala incarnata L. Native POIN4

  procession flower · Polygalaceae 2 counties
• 
  Polygala polygama Walter Native POPO

  racemed milkwort · Polygalaceae 3 counties
• 
  Polygala sanguinea L. Native POSA3

  purple milkwort · Polygalaceae 5 counties
• 
  Polygala senega L. Native POSE3

  Seneca snakeroot · Polygalaceae 5 counties
• 
  Polygala verticillata L. Native POVE

  whorled milkwort · Polygalaceae 16 counties
• 
  Polygala verticillata L. var. isocycla Fernald Native POVEI

  whorled milkwort · Polygalaceae 14 counties
• 
  Polygala verticillata L. var. verticillata Native POVEV

  whorled milkwort · Polygalaceae 1 county
• 
  Polygonatum biflorum (Walter) Elliott Native POBI2

  smooth Solomon's seal · Liliaceae 17 counties
• 
  Polygonatum biflorum (Walter) Elliott var. commutatum (Schult. & Schult. f.) Morong Native POBIC

  smooth Solomon's seal · Liliaceae 16 counties
• 
  Polygonatum pubescens (Willd.) Pursh Native POPU4

  hairy Solomon's seal · Liliaceae 1 county
• 
  Polygonella articulata (L.) Meisn. Native POAR4

  coastal jointweed · Polygonaceae 1 county
• 
  Polygonum achoreum S.F. Blake Native POAC3

  leathery knotweed · Polygonaceae 18 counties
• 
  Polygonum amphibium L. Native POAM8

  water knotweed · Polygonaceae 27 counties
• 
  Polygonum amphibium L. var. emersum Michx. Native POAME

  longroot smartweed · Polygonaceae 27 counties
• 
  Polygonum amphibium L. var. stipulaceum Coleman Native POAMS

  water smartweed · Polygonaceae 2 counties
• 
  Polygonum arenastrum Jord. ex Boreau Introduced POAR11

  oval-leaf knotweed · Polygonaceae 18 counties
• 
  Polygonum aviculare L. Introduced POAV

  prostrate knotweed · Polygonaceae 2 counties