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 3,351–3,400 of 3,901.

• 
  Solidago flexicaulis L. Native SOFL2

  zigzag goldenrod · Asteraceae 53 counties
• 
  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae 62 counties
• 
  Solidago hispida Muhl. ex Willd. Native SOHI

  hairy goldenrod · Asteraceae 14 counties
• 
  Solidago hispida Muhl. ex Willd. var. hispida Native SOHIH

  hairy goldenrod · Asteraceae 13 counties
• 
  Solidago juncea Aiton Native SOJU

  early goldenrod · Asteraceae 67 counties
• 
  Solidago nemoralis Aiton Native SONE

  gray goldenrod · Asteraceae 67 counties
• 
  Solidago nemoralis Aiton var. nemoralis Native SONEN

  gray goldenrod · Asteraceae 67 counties
• 
  Solidago odora Aiton Native SOOD

  anisescented goldenrod · Asteraceae 22 counties
• 
  Solidago odora Aiton var. odora Native SOODO

  anisescented goldenrod · Asteraceae 22 counties
• 
  Solidago patula Muhl. ex Willd. Native SOPA2

  roundleaf goldenrod · Asteraceae 42 counties
• 
  Solidago patula Muhl. ex Willd. var. patula Native SOPAP

  roundleaf goldenrod · Asteraceae 42 counties
• 
  Solidago puberula Nutt. Native SOPU

  downy goldenrod · Asteraceae 32 counties
• 
  Solidago puberula Nutt. var. puberula Native SOPUP2

  downy goldenrod · Asteraceae 32 counties
• 
  Solidago roanensis Porter Native SORO2

  Roan Mountain goldenrod · Asteraceae 3 counties
• 
  Solidago rugosa Mill. Native SORU2

  wrinkleleaf goldenrod · Asteraceae 66 counties
• 
  Solidago rugosa Mill. ssp. aspera (Aiton) Cronquist Native SORUA

  wrinkleleaf goldenrod · Asteraceae 47 counties
• 
  Solidago rugosa Mill. ssp. rugosa Native SORUR

  wrinkleleaf goldenrod · Asteraceae 66 counties
• 
  Solidago rugosa Mill. ssp. rugosa var. sphagnophila Graves Native SORUS

  wrinkleleaf goldenrod · Asteraceae 7 counties
• 
  Solidago rugosa Mill. ssp. rugosa var. villosa (Pursh) Fernald Native SORUV

  wrinkleleaf goldenrod · Asteraceae 38 counties
• 
  Solidago sempervirens L. Native SOSE

  seaside goldenrod · Asteraceae 4 counties
• 
  Solidago sempervirens L. var. sempervirens Native SOSES

  seaside goldenrod · Asteraceae 4 counties
• 
  Solidago simplex Kunth Native SOSI3

  Mt. Albert goldenrod · Asteraceae 2 counties
• 
  Solidago simplex Kunth ssp. randii (Porter) Ringius Native SOSIR

  Rand's goldenrod · Asteraceae 2 counties
• 
  Solidago simplex Kunth ssp. randii (Porter) Ringius var. racemosa (Greene) Ringius Native SOSIR2

  Rand's goldenrod · Asteraceae 2 counties
• 
  Solidago speciosa Nutt. Native SOSP2

  showy goldenrod · Asteraceae 19 counties
• 
  Solidago speciosa Nutt. var. speciosa Native SOSPS4

  showy goldenrod · Asteraceae 19 counties
• 
  Solidago squarrosa Nutt. Native SOSQ

  stout goldenrod · Asteraceae 52 counties
• 
  Solidago uliginosa Nutt. Native SOUL

  bog goldenrod · Asteraceae 20 counties
• 
  Solidago uliginosa Nutt. var. linoides (Torr. & A. Gray) Fernald Native SOULL2

  bog goldenrod · Asteraceae 7 counties
• 
  Solidago uliginosa Nutt. var. uliginosa Native SOULU

  bog goldenrod · Asteraceae 18 counties
• 
  Solidago ulmifolia Muhl. ex Willd. Native SOUL2

  elmleaf goldenrod · Asteraceae 44 counties
• 
  Solidago ulmifolia Muhl. ex Willd. var. ulmifolia Native SOULU2

  elmleaf goldenrod · Asteraceae 44 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 45 counties
• 
  Sonchus arvensis L. ssp. arvensis Introduced SOARA2

  field sowthistle · Asteraceae 19 counties
• 
  Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARU

  moist sowthistle · Asteraceae 44 counties
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 46 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 32 counties
• 
  Sorbaria sorbifolia (L.) A. Braun Introduced SOSO2

  false spiraea · Rosaceae 24 counties
• 
  Sorbus americana Marshall Native SOAM3

  American mountain ash · Rosaceae 32 counties
• 
  Sorbus aucuparia L. Introduced SOAU

  European mountain ash · Rosaceae 14 counties
• 
  Sorbus decora (Sarg.) C.K. Schneid. Native SODE3

  northern mountain ash · Rosaceae 4 counties
• 
  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae 50 counties
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 22 counties
• 
  Sorghum bicolor (L.) Moench ssp. bicolor Introduced SOBIB

  grain sorghum · Poaceae 16 counties
• 
  Sorghum bicolor (L.) Moench ssp. drummondii (Nees ex Steud.) de Wet & Harlan Introduced SOBID

  Sudangrass · Poaceae 11 counties
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 14 counties
• 
  Sparganium americanum Nutt. Native SPAM

  American bur-reed · Sparganiaceae 59 counties
• 
  Sparganium androcladum (Engelm.) Morong Native SPAN

  branched bur-reed · Sparganiaceae 10 counties
• 
  Sparganium angustifolium Michx. Native SPAN2

  narrowleaf bur-reed · Sparganiaceae 4 counties
• 
  Sparganium emersum Rehmann Native SPEM2

  European bur-reed · Sparganiaceae 25 counties