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 1,801–1,850 of 3,277.

• 
  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
• 
  Marrubium vulgare L. Introduced MAVU

  horehound · Lamiaceae 15 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
• 
  Matricaria discoidea DC. Introduced MADI6

  disc mayweed · Asteraceae 9 counties
• 
  Matricaria recutita L. Introduced MARE6

  German chamomile · Asteraceae 9 counties
• 
  Mazus pumilus (Burm. f.) Steenis Introduced MAPU7

  Japanese mazus · Scrophulariaceae 16 counties
• 
  Mecardonia acuminata (Walter) Small Native MEAC

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

  axilflower · Scrophulariaceae 27 counties
• 
  Medicago arabica (L.) Huds. Introduced MEAR

  spotted medick · Fabaceae 19 counties
• 
  Medicago lupulina L. Introduced MELU

  black medick · Fabaceae 33 counties
• 
  Medicago minima (L.) L. Introduced MEMI

  little bur-clover · Fabaceae 3 counties
• 
  Medicago orbicularis (L.) Bartal. Introduced MEOR2

  blackdisk medick · Fabaceae 1 county
• 
  Medicago polymorpha L. Introduced MEPO3

  burclover · Fabaceae 7 counties
• 
  Medicago sativa L. Introduced MESA

  alfalfa · Fabaceae 17 counties
• 
  Medicago sativa L. ssp. sativa Introduced MESAS

  alfalfa · Fabaceae 17 counties
• 
  Melanthera nivea (L.) Small Native MENI3

  snow squarestem · Asteraceae 1 county
• 
  Melia azedarach L. Introduced MEAZ

  Chinaberrytree · Meliaceae 40 counties
• 
  Melica mutica Walter Native MEMU

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

  threeflower melicgrass · Poaceae 14 counties
• 
  Melilotus indicus (L.) All. Introduced MEIN2

  annual yellow sweetclover · Fabaceae 3 counties
• 
  Melilotus officinalis (L.) Lam. Introduced MEOF

  sweetclover · Fabaceae 44 counties
• 
  Melissa officinalis L. Introduced MEOF2

  common balm · Lamiaceae 6 counties
• 
  Melochia corchorifolia L. Introduced MECO4

  chocolateweed · Sterculiaceae 4 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 aquatica L. Introduced MEAQ

  water mint · Lamiaceae 1 county
• 
  Mentha spicata L. Introduced MESP3

  spearmint · Lamiaceae 14 counties
• ⚘
  Mentha ×gracilis Sole (pro sp.) [arvensis × spicata] Introduced MEGR2

  gingermint · Lamiaceae 2 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
• 
  Michelia figo (Lour.) Spreng. Introduced MIFI3

  Banana shrub · Magnoliaceae 1 county
• 
  Micranthemum umbrosum (J.F. Gmel.) S.F. Blake Native MIUM

  shade mudflower · Scrophulariaceae 1 county
• 
  Microstegium vimineum (Trin.) A. Camus Introduced MIVI

  Nepalese browntop · Poaceae 2 counties
• 
  Microthlaspi perfoliatum (L.) F.K. Mey. Introduced MIPE8

  claspleaf pennycress · Brassicaceae 5 counties
• 
  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