Clay County

Showing 1–50 of 236.

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  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae
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  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
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  Allium perdulce S.V. Fraser Native ALPE2

  plains onion · Liliaceae
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  Allium perdulce S.V. Fraser var. perdulce Native ALPEP

  plains onion · Liliaceae
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  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae
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  Aphanostephus pilosus Buckley Native APPI

  hairy dozedaisy · Asteraceae
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  Aphanostephus skirrhobasis (DC.) Trel. Native APSK

  Arkansas dozedaisy · Asteraceae
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  Aphanostephus skirrhobasis (DC.) Trel. var. skirrhobasis Native APSKS

  Arkansas dozedaisy · Asteraceae
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  Argemone polyanthemos (Fedde) G.B. Ownbey Native ARPO2

  crested pricklypoppy · Papaveraceae
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  Aristida oligantha Michx. Native AROL

  prairie threeawn · Poaceae
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  Aristida purpurea Nutt. Native ARPU9

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

  Fendler threeawn · Poaceae
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  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae
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  Asclepias oenotheroides Cham. & Schltdl. Native ASOE

  zizotes 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 viridis Walter Native ASVI2

  green antelopehorn · Asclepiadaceae
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  Astragalus lindheimeri Engelm. ex A. Gray Native ASLI4

  Lindheimer's milkvetch · Fabaceae
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  Astragalus nuttallianus DC. Native ASNU4

  smallflowered milkvetch · Fabaceae
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  Astragalus plattensis Nutt. Native ASPL2

  Platte River milkvetch · Fabaceae
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  Astranthium integrifolium (Michx.) Nutt. Native ASIN9

  entireleaf western daisy · Asteraceae
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  Astranthium integrifolium (Michx.) Nutt. ssp. ciliatum (Raf.) DeJong Native ASINC

  entireleaf western daisy · Asteraceae
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  Atriplex argentea Nutt. Native ATAR2

  silverscale saltbush · Chenopodiaceae
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  Baccharis salicina Torr. & A. Gray Native BASA

  willow baccharis · Asteraceae
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  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae
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  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae
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  Brickellia eupatorioides (L.) Shinners Native BREU

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

  false boneset · Asteraceae
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  Bromus catharticus Vahl Introduced BRCA6

  rescuegrass · Poaceae
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  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae
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  Callirhoe involucrata (Torr. & A. Gray) A. Gray Native CAIN2

  purple poppymallow · Malvaceae
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  Calylophus berlandieri Spach Native CABE6

  Berlandier's sundrops · Onagraceae
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  Calylophus berlandieri Spach ssp. pinifolius (Engelm. ex A. Gray) Towner Native CABEP2

  Berlandier's sundrops · Onagraceae
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  Calylophus serrulatus (Nutt.) P.H. Raven Native CASE12

  yellow sundrops · Onagraceae
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  Carya illinoinensis (Wangenh.) K. Koch Native CAIL2

  pecan · Juglandaceae
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  Castilleja purpurea (Nutt.) G. Don Native CAPU11

  downy Indian paintbrush · Scrophulariaceae
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  Castilleja purpurea (Nutt.) G. Don var. citrina (Pennell) Shinners Native CAPUC

  prairie Indian paintbrush · Scrophulariaceae
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  Celtis laevigata Willd. Native CELA

  sugarberry · Ulmaceae
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  Celtis pumila Pursh Native CEPU10

  dwarf hackberry · Ulmaceae
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  Centaurea americana Nutt. Native CEAM2

  American star-thistle · Asteraceae
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  Centaurea cyanus L. Introduced CECY2

  garden cornflower · Asteraceae
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  Chaerophyllum tainturieri Hook. Native CHTA

  hairyfruit chervil · Apiaceae
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  Chaetopappa asteroides Nutt. ex DC. Native CHAS

  Arkansas leastdaisy · Asteraceae
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  Chamaesyce maculata (L.) Small Native CHMA15

  spotted sandmat · Euphorbiaceae
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  Chloris verticillata Nutt. Native CHVE2

  tumble windmill grass · Poaceae
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  Cirsium undulatum (Nutt.) Spreng. Native CIUN

  wavyleaf thistle · Asteraceae
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  Cirsium undulatum (Nutt.) Spreng. var. undulatum Native CIUNU

  wavyleaf thistle · Asteraceae
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  Cissus trifoliata (L.) L. Native CITR2

  sorrelvine · Vitaceae
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  Cleomella angustifolia Torr. Native CLAN

  narrowleaf rhombopod · Capparaceae
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  Cnidoscolus texanus (Müll. Arg.) Small Native CNTE

  Texas bullnettle · Euphorbiaceae