Elk County

Showing 51–100 of 767.

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  Apocynum cannabinum L. Native APCA

  Indianhemp · Apocynaceae
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  Aquilegia canadensis L. Native AQCA

  red columbine · Ranunculaceae
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  Arabis canadensis L. Native ARCA

  sicklepod · 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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  Argemone polyanthemos (Fedde) G.B. Ownbey Native ARPO2

  crested pricklypoppy · Papaveraceae
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  Argyrochosma dealbata (Pursh) Windham Native ARDE5

  powdery false cloak fern · Pteridaceae
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  Arisaema dracontium (L.) Schott Native ARDR3

  green dragon · Araceae
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  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Aristida purpurascens Poir. Native ARPU8

  arrowfeather threeawn · Poaceae
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  Aristida purpurascens Poir. var. purpurascens Native ARPUP4

  arrowfeather threeawn · Poaceae
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  Arnoglossum plantagineum Raf. Native ARPL4

  groovestem Indian plantain · Asteraceae
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  Artemisia biennis Willd. Both ARBI2

  biennial wormwood · Asteraceae
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  Artemisia biennis Willd. var. biennis Introduced ARBIB

  biennial wormwood · Asteraceae
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  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
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  Artemisia ludoviciana Nutt. ssp. mexicana (Willd. ex Spreng.) D.D. Keck Native ARLUM2

  white sagebrush · Asteraceae
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  Asclepias stenophylla A. Gray Native ASST

  slimleaf 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 tuberosa L. ssp. interior Woodson Native ASTUI

  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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  Asclepias viridis Walter Native ASVI2

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

  pawpaw · Annonaceae
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  Asparagus officinalis L. Introduced ASOF

  garden asparagus · Liliaceae
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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 resiliens Kunze Native ASRE

  blackstem spleenwort · Aspleniaceae
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  Asplenium rhizophyllum L. Native ASRH2

  walking fern · Aspleniaceae
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  Astragalus crassicarpus Nutt. Native ASCR2

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

  groundplum milkvetch · Fabaceae
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  Baptisia alba (L.) Vent. Native BAAL

  white wild indigo · Fabaceae
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  Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely Native BAALM

  largeleaf wild indigo · Fabaceae
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  Baptisia australis (L.) R. Br. Native BAAU

  blue wild indigo · Fabaceae
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  Baptisia australis (L.) R. Br. var. minor (Lehm.) Fernald Native BAAUM

  blue wild indigo · Fabaceae
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  Baptisia bracteata Muhl. ex Elliott Native BABR2

  longbract wild indigo · Fabaceae
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  Baptisia bracteata Muhl. ex Elliott var. leucophaea (Nutt.) Kartesz & Gandhi Native BABRL2

  longbract wild indigo · Fabaceae
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  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae
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  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae
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  Bidens aristosa (Michx.) Britton Native BIAR

  bearded beggarticks · Asteraceae
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  Bidens bipinnata L. Native BIBI7

  Spanish needles · Asteraceae
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  Bidens frondosa L. Native BIFR

  devil's beggartick · Asteraceae
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  Boltonia asteroides (L.) L'Hér. Native BOAS

  white doll's daisy · Asteraceae
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  Boltonia asteroides (L.) L'Hér. var. latisquama (A. Gray) Cronquist Native BOASL

  white doll's daisy · Asteraceae
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  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae
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  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae
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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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  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae