Common Weed Names: P

Common Name Scientific Name
Paleseed Plantain Plantago virginica
Palmer Amaranth Amaranthus palmeri
Palmleaf Morningglory Ipomoea wrightii
Panicum, Fall Panicum dichotomiflorum
Pansy, Wild Viola arvensis
Parsnip, Wild Pastinaca sativa
Partridgepea Cassia fasciculata
Passionflower, Maypop Passiflora incarnata
Pear, Prickly Opuntia humifusa
Pea, Sweet Lathyrus latifolius
Pennsylvania Smartweed Polygonum pensylvanicum
Pennycress, Field Thlaspi arvense
Pennycress, Perfoliate Thlaspi perfoliatum
Pennycress, Thoroughwort Thlaspi perfoliatum
Pennywort, Marsh Hydrocotyle umbellata
Pepperweed, Field Lepidium campestre
Pepperweed, Virginia Lepidium virginicum
Perennial Lupine Lupinus perennis
Perfoliate Pennycress Thlaspi perfoliatum
Perilla Mint Perilla frutescens
Persian Speedwell Veronica persica
Phlox, Creeping Phlox subulata
Phyllanthus, Long-stalked Phyllanthus tenellus
Pickerelweed Pontederia cordata
Pigweed, Prostrate Amaranthus blitoides
Pigweed, Redroot Amaranthus retroflexus
Pigweed, Smooth Amaranthus hybridus
Pigweed, Spiny Amaranthus spinosus
Pineapple-weed Matricaria matricarioides
Pitted Morningglory Ipomoea lacunosa
Plantain, American Water Alisma subcordatum
Plantain, Blackseed Plantago rugelii
Plantain, Broadleaf Plantago major
Plantain, Buckhorn Plantago lanceolata
Plantain, Paleseed Plantago virginica
Plumeless Thistle Carduus acanthoides
Poinsettia, Wild Euphorbia dentata
Poison Hemlock Conium maculatum
Poison Ivy Toxicodendron radicans
Pokeweed, Common Phytolacca americana
Pondweed, Curlyleaf Potamogeton crispus
Pondweed, Slender Potamogeton pusillus
Pondweed, Variable-leaf Potamogeton diversifolius
Poorjoe Diodia teres
Poppy, Field Papaver dubium
Potato Vine Dioscorea batatas
Prickly Lettuce Lactuca serriola
Prickly Pear Opuntia humifusa
Prickly Sida Sida spinosa
Primrose, Creeping Ludwigia palustris
Prostrate Knotweed Polygonum aviculare
Prostrate Amaranth Amaranthus blitoides
Prostrate Pigweed Amaranthus blitoides
Puncturevine   Tribulus terrestris
Purple Deadnettle Lamium purpureum
Purple Cudweed Gnaphalium purpureum
Purple Loosestrife Lythrum salicaria
Purple Lovegrass Eragrostis spectabilis
Purple Nutsedge Cyperus rotundus
Purpletop Tridens flavus
Purslane, Common Portulaca oleracea