Clark County

Showing 51–100 of 786.

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  Aplectrum hyemale (Muhl. ex Willd.) Torr. Native APHY

  Adam and Eve · Orchidaceae
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  Apocynum androsaemifolium L. Native APAN2

  spreading dogbane · Apocynaceae
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  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
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  Arabis laevigata (Muhl. ex Willd.) Poir. Native ARLA

  smooth rockcress · Brassicaceae
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  Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata Native ARLAL

  smooth rockcress · Brassicaceae
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  Arabis patens Sull. Native ARPA2

  spreading rockcress · Brassicaceae
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  Arabis shortii (Fernald) Gleason Native ARSH2

  Short's rockcress · Brassicaceae
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  Arctium minus Bernh. Introduced ARMI2

  lesser burdock · Asteraceae
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  Arenaria serpyllifolia L. Introduced ARSE2

  thymeleaf sandwort · Caryophyllaceae
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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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  Arisaema triphyllum (L.) Schott ssp. triphyllum Native ARTRT3

  Jack in the pulpit · Araceae
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  Aristolochia serpentaria L. Native ARSE3

  Virginia snakeroot · Aristolochiaceae
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  Arnoglossum atriplicifolium (L.) H. Rob. Native ARAT

  pale Indian plantain · Asteraceae
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  Arnoglossum plantagineum Raf. Native ARPL4

  groovestem Indian plantain · Asteraceae
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  Artemisia annua L. Introduced ARAN3

  sweet sagewort · Asteraceae
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  Asarum canadense L. Native ASCA

  Canadian wildginger · Aristolochiaceae
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  Asclepias exaltata L. Native ASEX

  poke milkweed · Asclepiadaceae
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  Asclepias incarnata L. Native ASIN

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

  swamp milkweed · Asclepiadaceae
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  Asclepias purpurascens L. Native ASPU2

  purple milkweed · Asclepiadaceae
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  Asclepias quadrifolia Jacq. Native ASQU

  fourleaf milkweed · Asclepiadaceae
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  Asclepias syriaca L. Native ASSY

  common milkweed · Asclepiadaceae
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  Asclepias tuberosa L. Native ASTU

  butterfly milkweed · Asclepiadaceae
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  Asclepias verticillata L. Native ASVE

  whorled milkweed · Asclepiadaceae
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  Asclepias viridiflora Raf. Native ASVI

  green comet milkweed · Asclepiadaceae
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  Asimina triloba (L.) Dunal Native ASTR

  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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  Asplenium rhizophyllum L. Native ASRH2

  walking fern · Aspleniaceae
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  Asplenium ruta-muraria L. Native ASRU2

  wallrue · Aspleniaceae
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  Athyrium filix-femina (L.) Roth Native ATFI

  common ladyfern · Dryopteridaceae
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  Athyrium filix-femina (L.) Roth ssp. angustum (Willd.) R.T. Clausen Native ATFIA

  subarctic ladyfern · Dryopteridaceae
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  Aureolaria flava (L.) Farw. Native AUFL

  smooth yellow false foxglove · Scrophulariaceae
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  Aureolaria virginica (L.) Pennell Native AUVI

  downy yellow false foxglove · Scrophulariaceae
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  Bidens bipinnata L. Native BIBI7

  Spanish needles · Asteraceae
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  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae
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  Bidens coronata (L.) Britton Native BICO

  crowned beggarticks · Asteraceae
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  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae
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  Blephilia ciliata (L.) Benth. Native BLCI

  downy pagoda-plant · Lamiaceae
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  Blephilia hirsuta (Pursh) Benth. Native BLHI

  hairy pagoda-plant · Lamiaceae
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  Blephilia hirsuta (Pursh) Benth. var. hirsuta Native BLHIH

  hairy pagoda-plant · Lamiaceae
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  Boehmeria cylindrica (L.) Sw. Native BOCY

  smallspike false nettle · Urticaceae
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  Botrychium virginianum (L.) Sw. Native BOVI

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

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

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

  false boneset · Asteraceae
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  Brickellia eupatorioides (L.) Shinners var. eupatorioides Native BREUE

  false boneset · Asteraceae
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  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae
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  Calopogon tuberosus (L.) Britton, Sterns & Poggenb. Native CATU5

  tuberous grasspink · Orchidaceae