Wildflowers: P to S

Round leaved sundew (Drosera rotundifolia)	Spatulate-leaved sundew (Drosera intermedia)	Round-leaved sundew (Drosera rotundifolia)
Round-leaved sundew (Drosera rotundifolia), a carnivorous plant of bogs and wet areas	Purple loosestrife (Lysimachia salicaria)	Pickerel weed (Pontederia cordata)
Sulphur cinquefoil (Potentilla recta)	Pale corydalis (Corydalis sempervirens)	Pale touch-me-not (Impatiens pallida)
Partridgeberry (Mitchella repens)	Physalis (Physalis alkekengi)	Pinedrops (Pterospora andromedea)
Pinesap (Monotropa hypopithys)	Pinesap (Monotropa hypopithis)	Pipsissewa (Chimaphila umbellata)
:: Pitcher Plants (Sarracenia purpurea) ::	Poison ivy (Toxicodendron rydbergii)	Poison ivy (Toxicodendron rydbergii)
Poison ivy (Toxicodendron rydbergii)	Prairie smoke (Geum triflorum)	Prairie smoke (Geum triflorum)
Prairie smoke (Geum triflorum)	Prickly pear cactus flower	Purple loosestrife (Lysimachia salicaria)
Purple nightshade (Solanum dulcamara)	Purple nightshade (Solanum dulcamara)	Pussytoes (Antennaria neglecta)
Queen Anne's Lace (Daucus carota)	Queen Anne's Lace (Daucus carota)	Queen-of-the-prairie (Filipendula rubra)
Red bartsia (Odontites vernus)	Rock sandwort. (Minuartia michauxii)	Rose twisted stalk (Streptopus roseus)
Rose twisted stalk (Streptopus roseus) fruit	Saxifrage (Saxifraga virginiensis)	Saxifrage (Saxifraga virginiensis)
Saxifrage (Saxifraga virginiensis)	Sheep sorrel (Rumex acestosella)	Shinleaf Pyrola (Pyrola elliptica)
Showy tick-trefoil (Desmodium canadense)	Skunk cabbage (Symplocarpus foetidus)	Skunk cabbage (Symplocarpus foetidus)
Skunk cabbage (Symplocarpus foetidus)	Skunk cabbage, eastern (Symplocarpus foetidus)	Skunk cabbage, eastern (Symplocarpus foetidus)
Skunk cabbage (Symplocarpus foetidus)	Skunk cabbage (Symplocarpus foetidus)	Skunk cabbage (Symplocarpus foetidus)
Small skullcap (Scutellaria parvula)	Seedhead (Sonchus)	Sow-thistle seedhead (Sonchus)
Sow thistle (Sonchus)	Spreading dogbane (Apocynum androsaemifolium)	:: Spring beauty (Claytonia caroliniana) ::
Squirrel corn (Dicentra canadensis)	Squirrel corn (Dicentra canadensis)	Squirrel corn (Dicentra canadensis)
St. John's-wort, Marsh (Triadenum fraseri)	St. John's wort, Marsh (Triadenum fraseri	St. John's-wort (Hypericum perforatum)
Starflower (Trientalis borealis)	Stinging nettle (Urica dioica)	Stonecrop (Sedum acre)
Sundrops (Oenothera perennis)	Sunflower	Swamp candles (Lysimachia terrestris)
Sweetpea (Lathyrus)	Sweetpea (Lathyrus sylvestris)	Sweet cicely (Osmorhiza claytonii)