Pennsylvania

• Adams 42001
  1,101 taxa Open ↗
• Allegheny 42003
  1,943 taxa Open ↗
• Armstrong 42005
  1,126 taxa Open ↗
• Beaver 42007
  1,402 taxa Open ↗
• Bedford 42009
  1,989 taxa Open ↗
• Berks 42011
  2,115 taxa Open ↗
• Blair 42013
  1,613 taxa Open ↗
• Bradford 42015
  1,111 taxa Open ↗
• Bucks 42017
  2,298 taxa Open ↗
• Butler 42019
  1,422 taxa Open ↗

Showing 851–900 of 1,109 (introduced).

• 
  Rosa cinnamomea L. Introduced ROCI

  cinnamon rose · Rosaceae 10 counties
• 
  Rosa gallica L. Introduced ROGA

  French rose · Rosaceae 10 counties
• 
  Rosa micrantha Borrer ex Sm. Introduced ROMI

  smallflower sweetbrier · Rosaceae 5 counties
• 
  Rosa multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae 35 counties
• 
  Rosa rubiginosa L. Introduced RORU82

  sweetbriar rose · Rosaceae 35 counties
• 
  Rosa rugosa Thunb. Introduced RORU

  rugosa rose · Rosaceae 5 counties
• 
  Rosa wichuraiana Crép. Introduced ROWI

  memorial rose · Rosaceae 10 counties
• 
  Rostraria cristata (L.) Tzvelev Introduced ROCR3

  Mediterranean hairgrass · Poaceae 1 county
• 
  Rubia tinctorum L. Introduced RUTI2

  dyer's madder · Rubiaceae 1 county
• 
  Rubus armeniacus Focke Introduced RUAR9

  Himalayan blackberry · Rosaceae 2 counties
• 
  Rubus bifrons Vest ex Tratt. Introduced RUBI

  Himalayan berry · Rosaceae 1 county
• 
  Rubus idaeus L. ssp. idaeus Introduced RUIDI

  American red raspberry · Rosaceae 1 county
• 
  Rubus illecebrosus Focke Introduced RUIL

  strawberry raspberry · Rosaceae 6 counties
• 
  Rubus laciniatus Willd. Introduced RULA

  cutleaf blackberry · Rosaceae 13 counties
• 
  Rubus phoenicolasius Maxim. Introduced RUPH

  wine raspberry · Rosaceae 28 counties
• 
  Rumex acetosa L. ssp. acetosa Introduced RUACA

  garden sorrel · Polygonaceae 4 counties
• 
  Rumex acetosella L. Introduced RUAC3

  common sheep sorrel · Polygonaceae 65 counties
• 
  Rumex conglomeratus Murray Introduced RUCO2

  clustered dock · Polygonaceae 1 county
• 
  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae 65 counties
• 
  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae 65 counties
• 
  Rumex obtusifolius L. Introduced RUOB

  bitter dock · Polygonaceae 64 counties
• 
  Rumex patientia L. Introduced RUPA5

  patience dock · Polygonaceae 14 counties
• 
  Rumex pulcher L. Introduced RUPU3

  fiddle dock · Polygonaceae 2 counties
• 
  Rumex sanguineus L. Introduced RUSA2

  redvein dock · Polygonaceae 3 counties
• 
  Ruta graveolens L. Introduced RUGR3

  common rue · Rutaceae 8 counties
• 
  Sagina japonica (Sw.) Ohwi Introduced SAJA2

  Japanese pearlwort · Caryophyllaceae 4 counties
• 
  Sagina procumbens L. Introduced SAPR

  birdeye pearlwort · Caryophyllaceae 25 counties
• 
  Salix alba L. Introduced SAAL2

  white willow · Salicaceae 31 counties
• 
  Salix atrocinerea Brot. Introduced SAAT2

  large gray willow · Salicaceae 1 county
• 
  Salix caprea L. Introduced SACA22

  goat willow · Salicaceae 11 counties
• 
  Salix cinerea L. Introduced SACI

  large gray willow · Salicaceae 5 counties
• ⚘
  Salix fragilis L. Introduced SAFR

  crack willow · Salicaceae 44 counties
• 
  Salix pentandra L. Introduced SAPE4

  laurel willow · Salicaceae 14 counties
• 
  Salix purpurea L. Introduced SAPU2

  purpleosier willow · Salicaceae 23 counties
• 
  Salix viminalis L. Introduced SAVI2

  basket willow · Salicaceae 1 county
• ⚘
  Salix ×pendulina Wender. [babylonica × euxina] Introduced SAPE12

  Wisconsin weeping willow · Salicaceae 1 county
• ⚘
  Salix ×rubens Schrank (pro sp.) [alba × fragilis] Introduced SARU3

  hybrid crack willow · Salicaceae 10 counties
• 
  Salsola kali L. Introduced SAKA

  Russian thistle · Chenopodiaceae 5 counties
• 
  Salsola kali L. ssp. kali Introduced SAKAK

  Russian thistle · Chenopodiaceae 4 counties
• 
  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae 20 counties
• 
  Salvia officinalis L. Introduced SAOF2

  kitchen sage · Lamiaceae 4 counties
• 
  Salvia pratensis L. Introduced SAPR2

  introduced sage · Lamiaceae 4 counties
• 
  Salvia sclarea L. Introduced SASC2

  Europe sage · Lamiaceae 3 counties
• 
  Salvia verbenaca L. Introduced SAVE12

  wild clary · Lamiaceae 1 county
• 
  Salvia verticillata L. Introduced SAVE5

  lilac sage · Lamiaceae 7 counties
• ⚘
  Salvia ×sylvestris L. (pro sp.) [nemorosa × pratensis] Introduced SASY

  woodland sage · Lamiaceae 3 counties
• 
  Sanguisorba minor Scop. Introduced SAMI3

  small burnet · Rosaceae 14 counties
• 
  Sanguisorba minor Scop. ssp. balearica (Bourg. ex Nyman) M. Garm. & C. Navarro Introduced SAMIB2

  small burnet · Rosaceae 14 counties
• 
  Saponaria officinalis L. Introduced SAOF4

  bouncingbet · Caryophyllaceae 66 counties
• 
  Satureja hortensis L. Introduced SAHO3

  summer savory · Lamiaceae 9 counties