Weed Id guide
ALL

Common NameLatin Name
Paleseed Plantain see Hoary Plantain
Palmer Amaranth Amaranthus palmeri
Palmer Pigweed see Palmer Amaranth
Palmleaf Morningglory Ipomoea wrightii
Partridgepea Cassia fasciculata
Pennsylvania Smartweed Polygonum pensylvanicum
Penstemon digitalis see Foxglove Penstemon
Perennial Lupine Lupinus perennis
Perennial Pea Lathyrus latifolius
Perennial Pepperweed Lepidium latifolium
Perfoliate Pennycress Thlaspi perfoliatum
Perilla Mint Perilla frutescens
Persian Speedwell Veronica persica
Pickerelweed Pontederia cordata
Piedmont Bedstraw Cruciata pedemontana
Pin Oak Quercus palustris
Pineapple-weed Matricaria matricarioides
Pinnate Tansymustard Descurainia pinnata
Pitted Morningglory Ipomoea lacunosa
Plumeless Thistle Carduus acanthoides
Poison Hemlock Conium maculatum
Poison Ivy Toxicodendron radicans
Pokeberry see Common Pokeweed
Poorjoe Diodia teres
Potato Vine see Chinese Yam
Prairie Mimosa see Illinois Bundleflower
Prairie Rose Rosa Setigera
Prairie Wild Rose Rosa arkansana
Prickly Lettuce Lactuca serriola
Prickly Pear Opuntia humifusa
Prickly Sida Sida spinosa
Prostrate Amaranth see Prostrate Pigweed
Prostrate Knotweed Polygonum aviculare
Prostrate Pigweed Amaranthus blitoides
Puncturevine Tribulus terrestris
Purple Amaranth Amaranthus blitum
Purple Cockle see Corn Cockle
Purple Cudweed Gnaphalium purpureum
Purple Deadnettle Lamium purpureum
Purple Loosestrife Lythrum salicaria
Purple Lovegrass Eragrostis spectabilis
Purple Milkweed Asclepias purpurascens
Purple Nutgrass see Purple Nutsedge
Purple Nutsedge Cyperus rotundus
Purple-Headed Sneezeweed Helenium flexuosum
Purplehead Sneezeweed see Purple-Headed Sneezeweed
Purpletop Tridens flavus
Purslane Speedwell Veronica peregrina