  
Packera aurea (Golden
Ragwort) known only from a calcareous stream near Joes Lake, 25 June
2009
  
Panax trifolius (Dwarf
Ginseng) 2, 8, 13 May 2009
  
Parnassia glauca
(Grass-of-parnassus) 22 August 2009
 
Pellaea atropurpurea
(Purple Cliffbrake) known only from two nearby marble cliffs at Lavant
Long
Lake, 13 August 2009
  
Peltandra virginica
(Arrow Arum) known only from shallow beaver ponds near Mississippi
Lake, 26
June 2009
  
Persicaria hydropiperoides
(False Water-pepper) 13 August 2009
  
Platanthera clavellata
(Club-spur Orchid) 27 July 2009
 
Platanthera hookeri
(Hooker's Orchid) 30 June 2009
 
Platanthera huronensis
(Hybrid Bog Orchid) known only from an open graminoid fen near MacKay
Lake, 25
June 2009
© David J. White 2010
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