Polk County

Showing 1–50 of 743.

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  Acalypha gracilens A. Gray Native ACGR2

  slender threeseed mercury · Euphorbiaceae
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  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
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  Acer rubrum L. Native ACRU

  red maple · Aceraceae
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  Aesculus pavia L. Native AEPA

  red buckeye · Hippocastanaceae
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  Aesculus pavia L. var. pavia Native AEPAP

  red buckeye · Hippocastanaceae
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  Agalinis fasciculata (Elliott) Raf. Native AGFA2

  beach false foxglove · Scrophulariaceae
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  Agalinis purpurea (L.) Pennell Native AGPU5

  purple false foxglove · Scrophulariaceae
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  Agrimonia microcarpa Wallr. Native AGMI2

  smallfruit agrimony · Rosaceae
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  Agrimonia rostellata Wallr. Native AGRO3

  beaked agrimony · Rosaceae
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  Aira caryophyllea L. Introduced AICA

  silver hairgrass · Poaceae
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  Aira caryophyllea L. var. caryophyllea Introduced AICAC2

  silver hairgrass · Poaceae
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  Albizia julibrissin Durazz. Introduced ALJU

  silktree · Fabaceae
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  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae
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  Allium canadense L. var. canadense Native ALCAC

  meadow garlic · Liliaceae
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  Allium stellatum Fraser ex Ker Gawl. Native ALST

  autumn onion · Liliaceae
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  Alnus serrulata (Aiton) Willd. Native ALSE2

  hazel alder · Betulaceae
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  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae
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  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
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  Amorpha paniculata Torr. & A. Gray Native AMPA4

  panicled false indigo · Fabaceae
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  Amsonia repens Shinners Native AMRE3

  creeping bluestar · Apocynaceae
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  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae
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  Anagallis arvensis L. ssp. arvensis Introduced ANARA7

  scarlet pimpernel · Primulaceae
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  Anagallis minima (L.) Krause Native ANMI4

  chaffweed · Primulaceae
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  Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. Native ANGL2

  bushy bluestem · Poaceae
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  Andropogon gyrans Ashe Native ANGY2

  Elliott's bluestem · Poaceae
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  Andropogon virginicus L. Native ANVI2

  broomsedge bluestem · Poaceae
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  Andropogon virginicus L. var. virginicus Native ANVIV

  broomsedge bluestem · Poaceae
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  Antennaria parlinii Fernald Native ANPA9

  Parlin's pussytoes · Asteraceae
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  Antennaria parlinii Fernald ssp. fallax (Greene) Bayer & Stebbins Native ANPAF

  Parlin's pussytoes · Asteraceae
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  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
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  Apteria aphylla (Nutt.) Barnhart ex Small Native APAP

  nodding nixie · Burmanniaceae
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  Aralia spinosa L. Native ARSP2

  devil's walkingstick · Araliaceae
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  Arisaema dracontium (L.) Schott Native ARDR3

  green dragon · Araceae
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  Arisaema triphyllum (L.) Schott Native ARTR

  Jack in the pulpit · Araceae
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  Aristida lanosa Muhl. ex Elliott Native ARLA6

  woollysheath threeawn · Poaceae
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  Aristida purpurascens Poir. Native ARPU8

  arrowfeather threeawn · Poaceae
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  Aristolochia reticulata Jacq. Native ARRE3

  Texas dutchman's pipe · Aristolochiaceae
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  Aronia arbutifolia (L.) Pers. Native ARAR7

  red chokeberry · Rosaceae
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  Arundinaria gigantea (Walter) Muhl. Native ARGI

  giant cane · Poaceae
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  Asclepias tomentosa Elliott Native ASTO

  tuba milkweed · Asclepiadaceae
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  Asclepias tuberosa L. Native ASTU

  butterfly milkweed · Asclepiadaceae
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  Asclepias tuberosa L. ssp. interior Woodson Native ASTUI

  butterfly milkweed · Asclepiadaceae
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  Asclepias variegata L. Native ASVA

  redring milkweed · Asclepiadaceae
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  Asclepias verticillata L. Native ASVE

  whorled milkweed · Asclepiadaceae
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  Asclepias viridis Walter Native ASVI2

  green antelopehorn · Asclepiadaceae
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  Asimina parviflora (Michx.) Dunal Native ASPA18

  smallflower pawpaw · Annonaceae
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  Asplenium platyneuron (L.) Britton, Sterns & Poggenb. Native ASPL

  ebony spleenwort · Aspleniaceae
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  Asplenium platyneuron (L.) Britton, Sterns & Poggenb. var. platyneuron Native ASPLP

  ebony spleenwort · Aspleniaceae
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  Astragalus leptocarpus Torr. & A. Gray Native ASLE10

  rare loco milkvetch · Fabaceae
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  Athyrium filix-femina (L.) Roth Native ATFI

  common ladyfern · Dryopteridaceae