Pachysandra
(Pachysandra terminalis)
Field Pansy
(Viola bicolor)
Small Wild Pansy
(Viola arvensis)
Paper-mulberry
(Broussonetia papyrifera)
Wild Parsnip
(Pastinaca sativa)
Partridge-berry
(Mitchella repens)
Purple Passion-flower
(Passiflora incarnata)
Yellow Passion-flower
(Passiflora lutea var. lutea)
Royal Paulownia
(Paulownia tomentosa)
Pawpaw
(Asimina triloba)
Partridge Pea
(Chamaecrista fasciculata var. fasciculata)
Small-flowered Pearlwort
(Sagina decumbens)
Broadleaf Peavine
(Lathyrus latifolius)
Broadleaf Peavine
(Lathyrus latifolius)
Field Penny-cress
(Thlaspi arvense)
Roadside Penny-cress
(Thlaspi alliaceum)
Many-flowered Pennywort
(Hydrocotyle umbellata)
Virginia Pennywort
(Obolaria virginica)
Field Pepper-grass
(Lepidium campestre)
Poor-man's Pepper-grass
(Lepidium virginicum subsp. virginicum)
Sweet Pepperbush
(Clethra alnifolia)
Peppermint
(Mentha ×piperita)
Peppermint
(Mentha ×piperita)
Virginia Pepperweed
(Lepidium virginicum subsp. virginicum)
Lesser Periwinkle
(Vinca minor)
Lesser Periwinkle
(Vinca minor)
Persimmon
(Diospyros virginiana)
Carolina Wild Petunia
(Ruellia caroliniensis)
Blue Phlox
(Phlox divaricata var. divaricata)
Downy Phlox
(Phlox pilosa subsp. pilosa)
Fall Phlox
(Phlox paniculata)
Pickerelweed
(Pontederia cordata)
Long Yellowseed False Pimpernel
(Lindernia dubia var. anagallidea)
Scarlet Pimpernel
(Anagallis arvensis subsp. arvensis)
Short Yellowseed False Pimpernel
(Lindernia dubia var. dubia)
Pineapple-weed
(Matricaria discoidea)
American Pinesap
(Hypopitys monotropa)
Northern Wild Pink
(Silene caroliniana var. pensylvanica)
Square-stemmed Rose Pink
(Sabatia angularis)
Pinxter
(Rhododendron periclymenoides)
Seven-angled Pipewort
(Eriocaulon aquaticum)
Ten-angle Pipewort
(Eriocaulon decangulare)
Northern Purple Pitcherplant
(Sarracenia purpurea var. purpurea)
Beefsteak Plant
(Perilla frutescens)
Wild Sensitive Plant
(Chamaecrista nictitans var. nictitans)
Black-seed Plantain
(Plantago rugelii)
Common Plantain
(Plantago major)
English Plantain
(Plantago lanceolata)
Large-bract Plantain
(Plantago aristata)
Nipple-seed Plantain
(Plantago major)
Pale Plantain
(Plantago rugelii)
Red-stemmed Plantain
(Plantago rugelii)
Virginia Plantain
(Plantago virginica)
Beach Plum
(Prunus maritima)
Solomon's Plume
(Maianthemum racemosum subsp. racemosum)
Large Whorled Pogonia
(Isotria verticillata)
Rose Pogonia
(Pogonia ophioglossoides)
Small Whorled Pogonia
(Isotria medeoloides)
Poison-hemlock
(Conium maculatum)
Pokeweed
(Phytolacca americana)
Longleaf Pondweed
(Potamogeton nodosus)
Celandine Poppy
(Stylophorum diphyllum)
Long-pod Poppy
(Papaver dubium)
Porcelain-berry
(Ampelopsis glandulosa)
European Privet
(Ligustrum vulgare)
Shepherd's Purse
(Capsella bursa-pastoris)
Purslane
(Portulaca oleracea)
Glabrous Big-leaf Pussytoes
(Antennaria parlinii subsp. parlinii)
Hairy Big-leaf Pussytoes
(Antennaria parlinii subsp. fallax)
Pointed Little-leaf Pussytoes
(Antennaria neglecta)
Pointed Little-leaf Pussytoes
(Antennaria neglecta)
Puttyroot
(Aplectrum hyemale)
Delaware Wildflowers
