Hudson County

Showing 51–100 of 1,324.

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  Amaranthus spinosus L. Native AMSP

  spiny amaranth · Amaranthaceae
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  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae
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  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
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  Amelanchier canadensis (L.) Medik. Native AMCA4

  Canadian serviceberry · Rosaceae
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  Ammannia robusta Heer & Regel Native AMRO3

  grand redstem · Lythraceae
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  Ammophila breviligulata Fernald Native AMBR

  American beachgrass · Poaceae
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
• ⚘
  Ampelopsis brevipedunculata (Maxim.) Trautv. Introduced AMBR7

  Amur peppervine · Vitaceae
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  Amphicarpaea bracteata (L.) Fernald Native AMBR2

  American hogpeanut · Fabaceae
• 
  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae
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  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae
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  Andropogon virginicus L. Native ANVI2

  broomsedge bluestem · Poaceae
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  Anemone quinquefolia L. Native ANQU

  wood anemone · Ranunculaceae
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  Anemone virginiana L. Native ANVI3

  tall thimbleweed · Ranunculaceae
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  Anethum graveolens L. Introduced ANGR2

  dill · Apiaceae
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  Angelica venenosa (Greenway) Fernald Native ANVE

  hairy angelica · Apiaceae
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  Antennaria parlinii Fernald Native ANPA9

  Parlin's pussytoes · Asteraceae
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  Antennaria plantaginifolia (L.) Richardson Native ANPL

  woman's tobacco · Asteraceae
• 
  Anthemis arvensis L. Introduced ANAR6

  corn chamomile · Asteraceae
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  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
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  Anthoxanthum odoratum L. Introduced ANOD

  sweet vernalgrass · Poaceae
• 
  Anthyllis vulneraria L. Introduced ANVU

  common kidneyvetch · Fabaceae
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  Apera interrupta (L.) P. Beauv. Introduced APIN

  dense silkybent · Poaceae
• 
  Apios americana Medik. Native APAM

  groundnut · Fabaceae
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  Apium graveolens L. Introduced APGR2

  wild celery · Apiaceae
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  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
• ⚘
  Apocynum ×floribundum Greene (pro sp.) [androsaemifolium × cannabinum] Native APFL

  Apocynaceae
• 
  Aquilegia canadensis L. Native AQCA

  red columbine · Ranunculaceae
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  Arabidopsis thaliana (L.) Heynh. Introduced ARTH

  mouseear cress · Brassicaceae
• 
  Arabis canadensis L. Native ARCA

  sicklepod · Brassicaceae
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  Arabis laevigata (Muhl. ex Willd.) Poir. Native ARLA

  smooth rockcress · Brassicaceae
• 
  Arabis lyrata L. Native ARLY2

  lyrate rockcress · Brassicaceae
• 
  Aralia elata (Miq.) Seem. Introduced AREL8

  Japanese angelica tree · Araliaceae
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  Aralia hispida Vent. Native ARHI2

  bristly sarsaparilla · Araliaceae
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  Aralia nudicaulis L. Native ARNU2

  wild sarsaparilla · Araliaceae
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  Aralia spinosa L. Native ARSP2

  devil's walkingstick · Araliaceae
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  Arctium minus Bernh. Introduced ARMI2

  lesser burdock · Asteraceae
• 
  Arenaria serpyllifolia L. Introduced ARSE2

  thymeleaf sandwort · Caryophyllaceae
• 
  Arethusa bulbosa L. Native ARBU

  dragon's mouth · Orchidaceae
• 
  Argentina anserina (L.) Rydb. Native ARAN7

  silverweed cinquefoil · Rosaceae
• 
  Arisaema dracontium (L.) Schott Native ARDR3

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

  Jack in the pulpit · Araceae
• 
  Aristida dichotoma Michx. Native ARDI4

  churchmouse threeawn · Poaceae
• 
  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Aristolochia serpentaria L. Native ARSE3

  Virginia snakeroot · Aristolochiaceae
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  Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4

  horseradish · Brassicaceae
• 
  Aronia arbutifolia (L.) Pers. Native ARAR7

  red chokeberry · Rosaceae
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  Aronia melanocarpa (Michx.) Elliott Native ARME6

  black chokeberry · Rosaceae
• ⚘
  Aronia ×prunifolia (Marshall) Rehder, (pro sp.) [arbutifolia × melanocarpa] Native ARPR2

  purple chokeberry · Rosaceae
• 
  Artemisia annua L. Introduced ARAN3

  sweet sagewort · Asteraceae