Mississippi

• Adams 28001
  382 taxa Open ↗
• Alcorn 28003
  268 taxa Open ↗
• Amite 28005
  586 taxa Open ↗
• Attala 28007
  321 taxa Open ↗
• Benton 28009
  327 taxa Open ↗
• Bolivar 28011
  295 taxa Open ↗
• Calhoun 28013
  294 taxa Open ↗
• Carroll 28015
  347 taxa Open ↗
• Chickasaw 28017
  375 taxa Open ↗
• Choctaw 28019
  524 taxa Open ↗

Showing 1,401–1,450 of 3,476.

• 
  Heliotropium indicum L. Introduced HEIN

  Indian heliotrope · Boraginaceae 35 counties
• 
  Heliotropium procumbens Mill. Native HEPR3

  fourspike heliotrope · Boraginaceae 3 counties
• 
  Heliotropium procumbens Mill. var. procumbens Native HEPRP2

  fourspike heliotrope · Boraginaceae 3 counties
• 
  Hemerocallis fulva (L.) L. Introduced HEFU

  orange daylily · Liliaceae 8 counties
• 
  Hepatica nobilis Schreb. Native HENO2

  hepatica · Ranunculaceae 4 counties
• 
  Hepatica nobilis Schreb. var. acuta (Pursh) Steyerm. Native HENOA

  sharplobe hepatica · Ranunculaceae 1 county
• 
  Hepatica nobilis Schreb. var. obtusa (Pursh) Steyerm. Native HENOO

  roundlobe hepatica · Ranunculaceae 4 counties
• 
  Herbertia lahue (Molina) Goldblatt Native HELA6

  prairienymph · Iridaceae 5 counties
• 
  Herbertia lahue (Molina) Goldblatt ssp. caerulea (Herb.) Goldblatt Native HELAC

  prairienymph · Iridaceae 5 counties
• 
  Heteranthera dubia (Jacq.) MacMill. Native HEDU2

  grassleaf mudplantain · Pontederiaceae 1 county
• 
  Heteranthera limosa (Sw.) Willd. Native HELI2

  blue mudplantain · Pontederiaceae 7 counties
• 
  Heteranthera reniformis Ruiz & Pav. Native HERE

  kidneyleaf mudplantain · Pontederiaceae 4 counties
• 
  Heterotheca camporum (Greene) Shinners Native HECA16

  lemonyellow false goldenaster · Asteraceae 4 counties
• 
  Heterotheca camporum (Greene) Shinners var. glandulissimum Semple Native HECAG

  lemonyellow false goldenaster · Asteraceae 2 counties
• 
  Heterotheca subaxillaris (Lam.) Britton & Rusby Native HESU3

  camphorweed · Asteraceae 25 counties
• 
  Heuchera americana L. Native HEAM6

  American alumroot · Saxifragaceae 8 counties
• 
  Heuchera americana L. var. americana Native HEAMA2

  American alumroot · Saxifragaceae 1 county
• 
  Heuchera parviflora Bartlett Native HEPA10

  littleflower alumroot · Saxifragaceae 2 counties
• 
  Heuchera parviflora Bartlett var. parviflora Native HEPAP4

  littleflower alumroot · Saxifragaceae 2 counties
• 
  Heuchera villosa Michx. Native HEVI2

  hairy alumroot · Saxifragaceae 1 county
• 
  Heuchera villosa Michx. var. villosa Native HEVIV2

  hairy alumroot · Saxifragaceae 1 county
• 
  Hexalectris spicata (Walter) Barnhart Native HESP3

  spiked crested coralroot · Orchidaceae 13 counties
• 
  Hexalectris spicata (Walter) Barnhart var. spicata Native HESPS3

  spiked crested coralroot · Orchidaceae 13 counties
• 
  Hexastylis arifolia (Michx.) Small Native HEAR6

  littlebrownjug · Aristolochiaceae 23 counties
• 
  Hexastylis arifolia (Michx.) Small var. arifolia Native HEARA

  littlebrownjug · Aristolochiaceae 3 counties
• 
  Hexastylis arifolia (Michx.) Small var. callifolia (Small) Blomquist Native HEARC

  littlebrownjug · Aristolochiaceae 6 counties
• 
  Hexastylis shuttleworthii (Britten & Baker f.) Small Native HESH2

  largeflower heartleaf · Aristolochiaceae 4 counties
• 
  Hexastylis shuttleworthii (Britten & Baker f.) Small var. harperi Gaddy Native HESHH

  largeflower heartleaf · Aristolochiaceae 4 counties
• 
  Hibiscus aculeatus Walter Native HIAC

  comfortroot · Malvaceae 13 counties
• 
  Hibiscus coccineus Walter Native HICO2

  scarlet rosemallow · Malvaceae 3 counties
• 
  Hibiscus grandiflorus Michx. Native HIGR4

  swamp rosemallow · Malvaceae 1 county
• 
  Hibiscus laevis All. Native HILA2

  halberdleaf rosemallow · Malvaceae 27 counties
• ⚘
  Hibiscus lasiocarpos Cav. Native HILA6

  rosemallow · Malvaceae 19 counties
• 
  Hibiscus moscheutos L. Native HIMO

  crimsoneyed rosemallow · Malvaceae 27 counties
• 
  Hibiscus syriacus L. Introduced HISY

  rose of Sharon · Malvaceae 5 counties
• 
  Hibiscus trionum L. Introduced HITR

  flower of an hour · Malvaceae 1 county
• 
  Hieracium gronovii L. Native HIGR3

  queendevil · Asteraceae 43 counties
• 
  Hieracium paniculatum L. Native HIPA2

  Allegheny hawkweed · Asteraceae 1 county
• 
  Hieracium venosum L. Native HIVE

  rattlesnakeweed · Asteraceae 2 counties
• 
  Holcus lanatus L. Introduced HOLA

  common velvetgrass · Poaceae 6 counties
• 
  Hordeum pusillum Nutt. Native HOPU

  little barley · Poaceae 46 counties
• 
  Hordeum vulgare L. Introduced HOVU

  common barley · Poaceae 2 counties
• 
  Hottonia inflata Elliott Native HOIN

  American featherfoil · Primulaceae 4 counties
• 
  Houstonia caerulea L. Native HOCA4

  azure bluet · Rubiaceae 1 county
• 
  Houstonia longifolia Gaertn. Native HOLO

  longleaf summer bluet · Rubiaceae 9 counties
• 
  Houstonia micrantha (Shinners) Terrell Native HOMI4

  southern bluet · Rubiaceae 15 counties
• 
  Houstonia procumbens (Walter ex J.F. Gmel.) Standl. Native HOPR

  roundleaf bluet · Rubiaceae 15 counties
• 
  Houstonia purpurea L. Native HOPU2

  Venus' pride · Rubiaceae 38 counties
• 
  Houstonia purpurea L. var. calycosa A. Gray Native HOPUC

  Venus' pride · Rubiaceae 15 counties
• 
  Houstonia purpurea L. var. purpurea Native HOPUP3

  Venus' pride · Rubiaceae 24 counties