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 601–650 of 2,225.

• 
  Crataegus punctata Jacq. Native CRPU

  dotted hawthorn · Rosaceae 2 counties
• 
  Crataegus succulenta Schrad. ex Link Native CRSU5

  fleshy hawthorn · Rosaceae 9 counties
• 
  Crotalaria sagittalis L. Native CRSA4

  arrowhead rattlebox · Fabaceae 10 counties
• 
  Croton capitatus Michx. Native CRCA6

  hogwort · Euphorbiaceae 2 counties
• 
  Croton capitatus Michx. var. capitatus Native CRCAC2

  hogwort · Euphorbiaceae 2 counties
• 
  Croton glandulosus L. Both CRGL2

  vente conmigo · Euphorbiaceae 5 counties
• 
  Croton glandulosus L. var. septentrionalis Müll. Arg. Native CRGLS

  vente conmigo · Euphorbiaceae 5 counties
• 
  Croton michauxii G.L. Webster Native CRMI8

  Michaux's croton · Euphorbiaceae 1 county
• 
  Croton michauxii G.L. Webster var. michauxii Native CRMIM2

  Michaux's croton · Euphorbiaceae 1 county
• 
  Croton monanthogynus Michx. Native CRMO6

  prairie tea · Euphorbiaceae 3 counties
• 
  Cryptogramma stelleri (S.G. Gmel.) Prantl Native CRST2

  fragile rockbrake · Pteridaceae 2 counties
• 
  Cryptotaenia canadensis (L.) DC. Native CRCA9

  Canadian honewort · Apiaceae 31 counties
• 
  Cucumis sativus L. Introduced CUSA4

  garden cucumber · Cucurbitaceae 1 county
• 
  Cucurbita foetidissima Kunth Native CUFO

  Missouri gourd · Cucurbitaceae 2 counties
• 
  Cuphea viscosissima Jacq. Native CUVI

  blue waxweed · Lythraceae 3 counties
• 
  Cuscuta cephalanthi Engelm. Native CUCE

  buttonbush dodder · Cuscutaceae 1 county
• 
  Cuscuta compacta Juss. ex Choisy Native CUCO2

  compact dodder · Cuscutaceae 1 county
• 
  Cuscuta compacta Juss. ex Choisy var. compacta Native CUCOC

  compact dodder · Cuscutaceae 1 county
• 
  Cuscuta coryli Engelm. Native CUCO3

  hazel dodder · Cuscutaceae 2 counties
• 
  Cuscuta cuspidata Engelm. Native CUCU2

  cusp dodder · Cuscutaceae 2 counties
• 
  Cuscuta glomerata Choisy Native CUGL3

  rope dodder · Cuscutaceae 11 counties
• 
  Cuscuta gronovii Willd. ex Schult. Native CUGR

  scaldweed · Cuscutaceae 3 counties
• 
  Cuscuta gronovii Willd. ex Schult. var. gronovii Native CUGRG

  scaldweed · Cuscutaceae 3 counties
• 
  Cuscuta indecora Choisy Native CUIN

  bigseed alfalfa dodder · Cuscutaceae 2 counties
• 
  Cuscuta indecora Choisy var. neuropetala (Engelm.) Hitchc. Native CUINN

  bigseed dodder · Cuscutaceae 2 counties
• 
  Cuscuta pentagona Engelm. Native CUPE3

  fiveangled dodder · Cuscutaceae 5 counties
• 
  Cuscuta pentagona Engelm. var. pentagona Native CUPEP2

  fiveangled dodder · Cuscutaceae 5 counties
• 
  Cuscuta polygonorum Engelm. Native CUPO

  smartweed dodder · Cuscutaceae 6 counties
• 
  Cyclachaena xanthiifolia (Nutt.) Fresen. Native CYXA2

  carelessweed · Asteraceae 11 counties
• 
  Cycloloma atriplicifolium (Spreng.) J.M. Coult. Native CYAT

  winged pigweed · Chenopodiaceae 8 counties
• 
  Cynanchum laeve (Michx.) Pers. Native CYLA

  honeyvine · Asclepiadaceae 11 counties
• 
  Cynoglossum officinale L. Introduced CYOF

  gypsyflower · Boraginaceae 12 counties
• 
  Cyperus acuminatus Torr. & Hook. ex Torr. Native CYAC2

  tapertip flatsedge · Cyperaceae 8 counties
• 
  Cyperus bipartitus Torr. Native CYBI6

  slender flatsedge · Cyperaceae 14 counties
• 
  Cyperus diandrus Torr. Native CYDI3

  umbrella flatsedge · Cyperaceae 3 counties
• 
  Cyperus erythrorhizos Muhl. Native CYER2

  redroot flatsedge · Cyperaceae 11 counties
• 
  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae 19 counties
• 
  Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESL

  yellow nutsedge · Cyperaceae 19 counties
• 
  Cyperus grayoides Mohlenbr. Native CYGR11

  Illinois flatsedge · Cyperaceae 1 county
• 
  Cyperus lupulinus (Spreng.) Marcks Native CYLU2

  Great Plains flatsedge · Cyperaceae 7 counties
• 
  Cyperus lupulinus (Spreng.) Marcks ssp. lupulinus Native CYLUL

  Great Plains flatsedge · Cyperaceae 7 counties
• 
  Cyperus lupulinus (Spreng.) Marcks ssp. macilentus (Fernald) Marcks Native CYLUM

  Great Plains flatsedge · Cyperaceae 1 county
• 
  Cyperus odoratus L. Native CYOD

  fragrant flatsedge · Cyperaceae 21 counties
• 
  Cyperus schweinitzii Torr. Native CYSC3

  Schweinitz's flatsedge · Cyperaceae 14 counties
• 
  Cyperus squarrosus L. Native CYSQ

  bearded flatsedge · Cyperaceae 15 counties
• 
  Cyperus strigosus L. Native CYST

  strawcolored flatsedge · Cyperaceae 17 counties
• 
  Cypripedium candidum Muhl. ex Willd. Native CYCA5

  white lady's slipper · Orchidaceae 13 counties
• 
  Cypripedium parviflorum Salisb. Native CYPA19

  lesser yellow lady's slipper · Orchidaceae 12 counties
• 
  Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight Native CYPAP3

  greater yellow lady's slipper · Orchidaceae 12 counties
• 
  Cypripedium reginae Walter Native CYRE6

  showy lady's slipper · Orchidaceae 4 counties