Plymouth County

Showing 1–50 of 344.

• 
  Acalypha rhomboidea Raf. Native ACRH

  common threeseed mercury · Euphorbiaceae
• 
  Acer negundo L. Native ACNE2

  boxelder · Aceraceae
• 
  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae
• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
• 
  Achillea millefolium L. var. occidentalis DC. Native ACMIO

  western yarrow · Asteraceae
• 
  Agalinis aspera (Douglas ex Benth.) Britton Native AGAS2

  tall false foxglove · Scrophulariaceae
• 
  Agrimonia pubescens Wallr. Native AGPU

  soft agrimony · Rosaceae
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae
• 
  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae
• 
  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
• 
  Anemone canadensis L. Native ANCA8

  Canadian anemone · Ranunculaceae
• ⚘
  Antennaria neglecta Greene Native ANNE

  field pussytoes · Asteraceae
• 
  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• 
  Aquilegia canadensis L. Native AQCA

  red columbine · Ranunculaceae
• 
  Arabis hirsuta (L.) Scop. Native ARHI

  hairy rockcress · Brassicaceae
• 
  Arabis hirsuta (L.) Scop. var. pycnocarpa (M. Hopkins) Rollins Native ARHIP

  creamflower rockcress · Brassicaceae
• 
  Arisaema triphyllum (L.) Schott Native ARTR

  Jack in the pulpit · Araceae
• 
  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae
• 
  Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPUL

  Fendler threeawn · Poaceae
• 
  Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4

  horseradish · Brassicaceae
• 
  Artemisia dracunculus L. Native ARDR4

  tarragon · Asteraceae
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
• 
  Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2

  white sagebrush · Asteraceae
• 
  Asclepias incarnata L. Native ASIN

  swamp milkweed · Asclepiadaceae
• 
  Asclepias incarnata L. ssp. incarnata Native ASINI

  swamp milkweed · Asclepiadaceae
• 
  Asclepias syriaca L. Native ASSY

  common milkweed · Asclepiadaceae
• 
  Asclepias tuberosa L. Native ASTU

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

  butterfly milkweed · Asclepiadaceae
• 
  Asclepias verticillata L. Native ASVE

  whorled milkweed · Asclepiadaceae
• 
  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae
• 
  Astragalus canadensis L. Native ASCA11

  Canadian milkvetch · Fabaceae
• 
  Astragalus canadensis L. var. canadensis Native ASCAC6

  Canadian milkvetch · Fabaceae
• 
  Astragalus crassicarpus Nutt. Native ASCR2

  groundplum milkvetch · Fabaceae
• 
  Astragalus crassicarpus Nutt. var. crassicarpus Native ASCRC3

  groundplum milkvetch · Fabaceae
• 
  Astragalus lotiflorus Hook. Native ASLO4

  lotus milkvetch · Fabaceae
• 
  Astragalus missouriensis Nutt. Native ASMI10

  Missouri milkvetch · Fabaceae
• 
  Astragalus missouriensis Nutt. var. missouriensis Native ASMIM5

  Missouri milkvetch · Fabaceae
• 
  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae
• 
  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae
• 
  Bidens tripartita L. Native BITR

  threelobe beggarticks · Asteraceae
• 
  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae
• 
  Botrychium virginianum (L.) Sw. Native BOVI

  rattlesnake fern · Ophioglossaceae
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae
• 
  Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2

  blue grama · Poaceae
• 
  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae
• 
  Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

  false boneset · Asteraceae