Wisconsin

• Adams 55001
  1,200 taxa Open ↗
• Ashland 55003
  1,200 taxa Open ↗
• Barron 55005
  823 taxa Open ↗
• Bayfield 55007
  1,332 taxa Open ↗
• Brown 55009
  1,537 taxa Open ↗
• Buffalo 55011
  853 taxa Open ↗
• Burnett 55013
  863 taxa Open ↗
• Calumet 55015
  578 taxa Open ↗
• Chippewa 55017
  984 taxa Open ↗
• Clark 55019
  762 taxa Open ↗

Showing 2,051–2,100 of 2,520 (native).

• 
  Salix humilis Marshall var. tristis (Aiton) Griggs Native SAHUT

  prairie willow · Salicaceae 1 county
• 
  Salix interior Rowlee Native SAIN3

  sandbar willow · Salicaceae 13 counties
• 
  Salix lucida Muhl. Native SALU

  shining willow · Salicaceae 10 counties
• 
  Salix lucida Muhl. ssp. lucida Native SALUL2

  shining willow · Salicaceae 10 counties
• 
  Salix myricoides Muhl. Native SAMY2

  bayberry willow · Salicaceae 6 counties
• 
  Salix myricoides Muhl. var. myricoides Native SAMYM

  bayberry willow · Salicaceae 6 counties
• 
  Salix nigra Marshall Native SANI

  black willow · Salicaceae 8 counties
• 
  Salix pedicellaris Pursh Native SAPE2

  bog willow · Salicaceae 9 counties
• 
  Salix pellita Andersson Native SAPE3

  satiny willow · Salicaceae 1 county
• 
  Salix petiolaris Sm. Native SAPE5

  meadow willow · Salicaceae 12 counties
• 
  Salix planifolia Pursh Native SAPL2

  diamondleaf willow · Salicaceae 2 counties
• 
  Salix planifolia Pursh ssp. planifolia Native SAPLP4

  diamondleaf willow · Salicaceae 2 counties
• 
  Salix pyrifolia Andersson Native SAPY

  balsam willow · Salicaceae 6 counties
• 
  Salix sericea Marshall Native SASE

  silky willow · Salicaceae 8 counties
• 
  Salix serissima (L.H. Bailey) Fernald Native SASE2

  autumn willow · Salicaceae 7 counties
• ⚘
  Salix ×glatfelteri C.K. Schneid. [amygdaloides × nigra] Native SAGL3

  hybrid willow · Salicaceae 1 county
• 
  Salvia azurea Michx. ex Lam. Native SAAZ

  azure blue sage · Lamiaceae 2 counties
• 
  Salvia azurea Michx. ex Lam. var. grandiflora Benth. Native SAAZG

  pitcher sage · Lamiaceae 2 counties
• 
  Salvia reflexa Hornem. Native SARE3

  lanceleaf sage · Lamiaceae 13 counties
• 
  Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4

  American black elderberry · Caprifoliaceae 64 counties
• 
  Sambucus racemosa L. Native SARA2

  red elderberry · Caprifoliaceae 55 counties
• 
  Sambucus racemosa L. var. racemosa Native SARAR3

  red elderberry · Caprifoliaceae 55 counties
• 
  Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAP

  seaside brookweed · Primulaceae 1 county
• 
  Sanguinaria canadensis L. Native SACA13

  bloodroot · Papaveraceae 65 counties
• 
  Sanicula canadensis L. Native SACA15

  Canadian blacksnakeroot · Apiaceae 22 counties
• 
  Sanicula marilandica L. Native SAMA2

  Maryland sanicle · Apiaceae 65 counties
• 
  Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe Native SAOD

  clustered blacksnakeroot · Apiaceae 50 counties
• 
  Sanicula trifoliata E.P. Bicknell Native SATR4

  largefruit blacksnakeroot · Apiaceae 22 counties
• 
  Sarracenia purpurea L. Native SAPU4

  purple pitcherplant · Sarraceniaceae 53 counties
• 
  Sarracenia purpurea L. ssp. purpurea var. purpurea Native SAPUP6

  northern purple pitcherplant · Sarraceniaceae 53 counties
• 
  Sassafras albidum (Nutt.) Nees Native SAAL5

  sassafras · Lauraceae 1 county
• 
  Saxifraga pensylvanica L. Native SAPE8

  eastern swamp saxifrage · Saxifragaceae 59 counties
• 
  Scheuchzeria palustris L. Native SCPA2

  rannoch-rush · Scheuchzeriaceae 27 counties
• 
  Scheuchzeria palustris L. ssp. americana (Fernald) Hultén Native SCPAA3

  rannoch-rush · Scheuchzeriaceae 27 counties
• 
  Schizachne purpurascens (Torr.) Swallen Native SCPU

  false melic · Poaceae 45 counties
• 
  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae 56 counties
• 
  Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCS

  little bluestem · Poaceae 33 counties
• 
  Schoenoplectiella hallii (A.Gray) Lye Native SCHA10

  Hall's bulrush · Cyperaceae 1 county
• 
  Schoenoplectiella purshiana (Fernald) Lye Native SCPU14

  weakstalk bulrush · Cyperaceae 20 counties
• 
  Schoenoplectiella smithii (A. Gray) Hayas. Native SCSM3

  Smith's bulrush · Cyperaceae 17 counties
• 
  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3

  hardstem bulrush · Cyperaceae 42 counties
• 
  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve var. acutus Native SCACA

  hardstem bulrush · Cyperaceae 42 counties
• 
  Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller Native SCAM6

  chairmaker's bulrush · Cyperaceae 1 county
• 
  Schoenoplectus heterochaetus (Chase) Soják Native SCHE5

  slender bulrush · Cyperaceae 8 counties
• 
  Schoenoplectus pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae 38 counties
• 
  Schoenoplectus pungens (Vahl) Palla var. pungens Native SCPUP5

  common threesquare · Cyperaceae 38 counties
• 
  Schoenoplectus subterminalis (Torr.) Soják Native SCSU10

  swaying bulrush · Cyperaceae 23 counties
• 
  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae 69 counties
• 
  Schoenoplectus torreyi (Olney) Palla Native SCTO3

  Torrey's bulrush · Cyperaceae 14 counties
• ⚘
  Schoenoplectus ×steinmetzii (Fernald) S.G. Sm. [heterochaetus × tabernaemontani] Native SCST10

  bulrush · Cyperaceae 2 counties