Arkansas

• Arkansas 05001
  816 taxa Open ↗
• Ashley 05003
  1,236 taxa Open ↗
• Baxter 05005
  1,025 taxa Open ↗
• Benton 05007
  1,372 taxa Open ↗
• Boone 05009
  697 taxa Open ↗
• Bradley 05011
  1,145 taxa Open ↗
• Calhoun 05013
  573 taxa Open ↗
• Carroll 05015
  1,039 taxa Open ↗
• Chicot 05017
  440 taxa Open ↗
• Clark 05019
  896 taxa Open ↗

Showing 1,451–1,500 of 2,679 (native).

• 
  Lythrum alatum Pursh var. alatum Native LYALA4

  winged lythrum · Lythraceae 16 counties
• 
  Lythrum alatum Pursh var. lanceolatum (Elliott) Torr. & A. Gray ex Rothr. Native LYALL

  winged lythrum · Lythraceae 19 counties
• 
  Machaeranthera pinnatifida (Hook.) Shinners Native MAPI

  lacy tansyaster · Asteraceae 1 county
• 
  Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida Native MAPIP

  lacy tansyaster · Asteraceae 1 county
• 
  Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida Native MAPIP4

  lacy tansyaster · Asteraceae 1 county
• 
  Maclura pomifera (Raf.) C.K. Schneid. Native MAPO

  Osage-orange · Moraceae 46 counties
• 
  Magnolia acuminata (L.) L. Native MAAC

  cucumber tree · Magnoliaceae 26 counties
• 
  Magnolia grandiflora L. Native MAGR4

  southern magnolia · Magnoliaceae 9 counties
• 
  Magnolia macrophylla Michx. Native MAMA2

  bigleaf magnolia · Magnoliaceae 2 counties
• 
  Magnolia tripetala (L.) L. Native MATR

  umbrella-tree · Magnoliaceae 15 counties
• 
  Magnolia virginiana L. Native MAVI2

  sweetbay · Magnoliaceae 15 counties
• 
  Maianthemum racemosum (L.) Link Native MARA7

  feathery false lily of the valley · Liliaceae 42 counties
• 
  Maianthemum racemosum (L.) Link ssp. racemosum Native MARAR

  feathery false lily of the valley · Liliaceae 42 counties
• 
  Maianthemum stellatum (L.) Link Native MAST4

  starry false lily of the valley · Liliaceae 1 county
• 
  Malaxis unifolia Michx. Native MAUN

  green adder's-mouth orchid · Orchidaceae 17 counties
• 
  Malus angustifolia (Aiton) Michx. Native MAAN3

  southern crab apple · Rosaceae 21 counties
• 
  Malus angustifolia (Aiton) Michx. var. angustifolia Native MAANA

  southern crab apple · Rosaceae 21 counties
• 
  Malus coronaria (L.) Mill. Native MACO5

  sweet crab apple · Rosaceae 3 counties
• 
  Malus ioensis (Alph. Wood) Britton Native MAIO

  prairie crab apple · Rosaceae 9 counties
• 
  Malus ioensis (Alph. Wood) Britton var. ioensis Native MAIOI

  prairie crab apple · Rosaceae 9 counties
• ⚘
  Malvastrum hispidum (Pursh) Hochr. Native MAHI

  hispid false mallow · Malvaceae 7 counties
• 
  Malvaviscus arboreus Dill. ex Cav. var. drummondii (Torr. & A. Gray) Schery Native MAARD

  wax mallow · Malvaceae 3 counties
• 
  Manfreda virginica (L.) Salisb. ex Rose Native MAVI5

  false aloe · Agavaceae 39 counties
• 
  Marshallia caespitosa Nutt. ex DC. Native MACA7

  puffballs · Asteraceae 1 county
• 
  Marshallia caespitosa Nutt. ex DC. var. signata Beadle & F.E. Boynt. Native MACAS

  puffballs · Asteraceae 1 county
• 
  Marsilea vestita Hook. & Grev. Native MAVE2

  hairy waterclover · Marsileaceae 7 counties
• 
  Matelea baldwyniana (Sweet) Woodson Native MABA3

  Baldwin's milkvine · Asclepiadaceae 12 counties
• 
  Matelea carolinensis (Jacq.) Woodson Native MACA9

  maroon Carolina milkvine · Asclepiadaceae 1 county
• 
  Matelea cynanchoides (Engelm.) Woodson Native MACY3

  prairie milkvine · Asclepiadaceae 1 county
• 
  Matelea decipiens (Alexander) Woodson Native MADE3

  oldfield milkvine · Asclepiadaceae 24 counties
• 
  Matelea gonocarpos (Walter) Shinners Native MAGO

  angularfruit milkvine · Asclepiadaceae 25 counties
• 
  Mecardonia acuminata (Walter) Small Native MEAC

  axilflower · Scrophulariaceae 27 counties
• 
  Mecardonia acuminata (Walter) Small var. acuminata Native MEACA

  axilflower · Scrophulariaceae 27 counties
• 
  Melanthera nivea (L.) Small Native MENI3

  snow squarestem · Asteraceae 1 county
• 
  Melica mutica Walter Native MEMU

  twoflower melicgrass · Poaceae 30 counties
• 
  Melica nitens (Scribn.) Nutt. ex Piper Native MENI

  threeflower melicgrass · Poaceae 14 counties
• 
  Melothria pendula L. Native MEPE3

  Guadeloupe cucumber · Cucurbitaceae 33 counties
• 
  Melothria pendula L. var. pendula Native MEPEP

  Guadeloupe cucumber · Cucurbitaceae 33 counties
• 
  Menispermum canadense L. Native MECA3

  common moonseed · Menispermaceae 21 counties
• ⚘
  Mentha ×piperita L. (pro sp.) [aquatica × spicata] Native MEPI

  peppermint · Lamiaceae 14 counties
• 
  Mentzelia oligosperma Nutt. ex Sims Native MEOL

  chickenthief · Loasaceae 7 counties
• 
  Mertensia virginica (L.) Pers. ex Link Native MEVI3

  Virginia bluebells · Boraginaceae 7 counties
• 
  Micranthemum umbrosum (J.F. Gmel.) S.F. Blake Native MIUM

  shade mudflower · Scrophulariaceae 1 county
• 
  Mikania scandens (L.) Willd. Native MISC

  climbing hempvine · Asteraceae 40 counties
• 
  Mimosa microphylla Dryand. Native MIMI22

  littleleaf sensitive-briar · Fabaceae 1 county
• 
  Mimosa nuttallii (DC. ex Britton & Rose) B.L. Turner Native MINU6

  Nuttall's sensitive-briar · Fabaceae 50 counties
• 
  Mimosa strigillosa Torr. & A. Gray Native MIST2

  powderpuff · Fabaceae 12 counties
• 
  Mimulus alatus Aiton Native MIAL2

  sharpwing monkeyflower · Scrophulariaceae 54 counties
• 
  Mimulus floribundus Lindl. Native MIFL2

  manyflowered monkeyflower · Scrophulariaceae 7 counties
• 
  Mimulus ringens L. Native MIRI

  Allegheny monkeyflower · Scrophulariaceae 3 counties