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 2,101–2,150 of 3,901.

• 
  Lolium temulentum L. ssp. temulentum Introduced LOTET

  Darnel ryegrass · Poaceae 6 counties
• 
  Lonicera canadensis W. Bartram ex Marshall Native LOCA7

  American fly honeysuckle · Caprifoliaceae 44 counties
• 
  Lonicera dioica L. Native LODI2

  limber honeysuckle · Caprifoliaceae 52 counties
• 
  Lonicera fragrantissima Lindl. & Paxton Introduced LOFR

  sweet breath of spring · Caprifoliaceae 5 counties
• 
  Lonicera hirsuta Eaton Native LOHI

  hairy honeysuckle · Caprifoliaceae 9 counties
• 
  Lonicera japonica Thunb. Introduced LOJA

  Japanese honeysuckle · Caprifoliaceae 37 counties
• 
  Lonicera maackii (Rupr.) Herder Introduced LOMA6

  Amur honeysuckle · Caprifoliaceae 12 counties
• 
  Lonicera morrowii A. Gray Introduced LOMO2

  Morrow's honeysuckle · Caprifoliaceae 42 counties
• 
  Lonicera oblongifolia (Goldie) Hook. Native LOOB

  swamp fly honeysuckle · Caprifoliaceae 5 counties
• 
  Lonicera sempervirens L. Native LOSE

  trumpet honeysuckle · Caprifoliaceae 23 counties
• ⚘
  Lonicera standishii Jacques Introduced LOST2

  Standish's honeysuckle · Caprifoliaceae 5 counties
• 
  Lonicera tatarica L. Introduced LOTA

  Tatarian honeysuckle · Caprifoliaceae 25 counties
• 
  Lonicera villosa (Michx.) Schult. Native LOVI

  mountain fly honeysuckle · Caprifoliaceae 3 counties
• 
  Lonicera xylosteum L. Introduced LOXY

  dwarf honeysuckle · Caprifoliaceae 7 counties
• ⚘
  Lonicera ×bella Zabel [morrowii × tatarica] Introduced LOBE

  showy fly honeysuckle · Caprifoliaceae 10 counties
• 
  Lotus corniculatus L. Introduced LOCO6

  bird's-foot trefoil · Fabaceae 43 counties
• 
  Lotus corniculatus L. var. corniculatus Introduced LOCOC5

  bird's-foot trefoil · Fabaceae 43 counties
• 
  Ludwigia alternifolia L. Native LUAL2

  seedbox · Onagraceae 54 counties
• 
  Ludwigia decurrens Walter Native LUDE4

  wingleaf primrose-willow · Onagraceae 1 county
• 
  Ludwigia grandiflora (Michx.) Greuter & Burdet Introduced LUGR9

  large-flower primrose-willow · Onagraceae 3 counties
• 
  Ludwigia grandiflora (Michx.) Greuter & Burdet ssp. grandiflora Introduced LUGRG2

  large-flower primrose-willow · Onagraceae 3 counties
• 
  Ludwigia leptocarpa (Nutt.) H. Hara Native LULE4

  anglestem primrose-willow · Onagraceae 1 county
• 
  Ludwigia palustris (L.) Elliott Native LUPA

  marsh seedbox · Onagraceae 64 counties
• 
  Ludwigia peploides (Kunth) P.H. Raven Both LUPE5

  floating primrose-willow · Onagraceae 6 counties
• 
  Ludwigia peploides (Kunth) P.H. Raven ssp. glabrescens (Kuntze) P.H. Raven Native LUPEG2

  floating primrose-willow · Onagraceae 6 counties
• 
  Ludwigia polycarpa Short & Peter Native LUPO

  manyfruit primrose-willow · Onagraceae 1 county
• 
  Ludwigia sphaerocarpa Elliott Native LUSP

  globefruit primrose-willow · Onagraceae 1 county
• 
  Lunaria annua L. Introduced LUAN

  annual honesty · Brassicaceae 14 counties
• 
  Lunaria rediviva L. Introduced LURE

  perennial honesty · Brassicaceae 2 counties
• 
  Lupinus perennis L. Native LUPE3

  sundial lupine · Fabaceae 38 counties
• 
  Lupinus perennis L. ssp. perennis Native LUPEP

  sundial lupine · Fabaceae 36 counties
• 
  Luzula acuminata Raf. Native LUAC

  hairy woodrush · Juncaceae 46 counties
• 
  Luzula acuminata Raf. ssp. acuminata Native LUACA2

  hairy woodrush · Juncaceae 46 counties
• 
  Luzula bulbosa (Alph. Wood) Smyth & Smyth Native LUBU

  bulbous woodrush · Juncaceae 7 counties
• 
  Luzula echinata (Small) F.J. Herm. Native LUEC

  hedgehog woodrush · Juncaceae 41 counties
• 
  Luzula luzuloides (Lam.) Dandy & Wilmott Introduced LULU3

  oakforest woodrush · Juncaceae 1 county
• 
  Luzula multiflora (Ehrh.) Lej. Native LUMU2

  common woodrush · Juncaceae 64 counties
• 
  Luzula multiflora (Ehrh.) Lej. ssp. multiflora Native LUMUM

  common woodrush · Juncaceae 64 counties
• 
  Luzula multiflora (Ehrh.) Lej. ssp. multiflora var. multiflora Native LUMUM2

  common woodrush · Juncaceae 64 counties
• 
  Lychnis chalcedonica L. Introduced LYCH3

  maltesecross · Caryophyllaceae 8 counties
• 
  Lychnis coronaria (L.) Desr. Introduced LYCO

  rose campion · Caryophyllaceae 16 counties
• 
  Lychnis flos-cuculi L. Introduced LYFL3

  ragged robin · Caryophyllaceae 6 counties
• 
  Lychnis fulgens Fisch. ex Sims Introduced LYFU2

  brilliant campion · Caryophyllaceae 1 county
• 
  Lycium barbarum L. Introduced LYBA4

  matrimony vine · Solanaceae 27 counties
• 
  Lycium chinense Mill. Introduced LYCH

  Chinese desert-thorn · Solanaceae 3 counties
• 
  Lycopodiella alopecuroides (L.) Cranfill Native LYAL5

  foxtail clubmoss · Lycopodiaceae 1 county
• 
  Lycopodiella appressa (Chapm.) Cranfill Native LYAP4

  southern bog clubmoss · Lycopodiaceae 9 counties
• 
  Lycopodiella inundata (L.) Holub Native LYIN2

  inundated clubmoss · Lycopodiaceae 34 counties
• 
  Lycopodium annotinum L. Native LYAN2

  stiff clubmoss · Lycopodiaceae 33 counties
• 
  Lycopodium clavatum L. Native LYCL

  running clubmoss · Lycopodiaceae 58 counties