Ohio florası listesi
P

Pachysandra terminalis (I)
Packera anonyma (N)
Packera aurea (N)
Packera glabella (N)
Packera obovata (N)
Packera paupercula (N)
Packera plattensis (N)
Panax quinquefolius (N)
Panax trifolius (N)
Panicum anceps (N)
Panicum capillare (N)
Panicum dichotomiflorum var. dichotomiflorum (N)
Panicum flexile (N)
Panicum gattingeri (N)
Panicum miliaceum ssp. miliaceum (I)
Panicum philadelphicum (N)
Panicum rigidulum var. elongatum (N)
Panicum rigidulum var. pubescens (N)
Panicum rigidulum var. rigidulum (N)
Panicum verrucosum (N)
Panicum virgatum var. virgatum (N)
Papaver argemone (I)
Papaver dubium (I)
Papaver rhoeas (I)
Papaver somniferum (I)
Parietaria pensylvanica (N)
Parnassia glauca (N)
Paronychia canadensis (N)
Paronychia fastigiata var. fastigiata (N)
Parthenium hysterophorus (I)
Parthenium integrifolium var. integrifolium (N)
Parthenocissus quinquefolia (N)
Parthenocissus tricuspidata (I)
Parthenocissus vitacea (N)
Pascopyrum smithii (N)
Paspalum floridanum (N)
Paspalum fluitans (N)
Paspalum laeve (N)
Paspalum pubiflorum (N)
Paspalum setaceum (N)
Passiflora incarnata (N)
Passiflora lutea (N)
Pastinaca sativa (I)
Paulownia tomentosa (I)
Paxistima canbyi (N)
Pedicularis canadensis ssp. canadensis (N)
Pedicularis lanceolata (N)
Pellaea atropurpurea (N)
Pellaea glabella ssp. glabella (N)
Peltandra virginica (N)
Pennisetum glaucum (I)
Penstemon alluviorum (N)
Penstemon calycosus (N)
Penstemon canescens (N)
Penstemon cobaea (N)
Penstemon digitalis (N)
Penstemon grandiflorus (N)
Penstemon hirsutus (N)
Penstemon laevigatus (N)
Penstemon pallidus (N)
Penstemon tubiflorus var. tubiflorus (N)
Penthorum sedoides (N)
Perideridia americana (N)
Perilla frutescens var. frutescens (I)
Petasites hybridus (I)
Petrorhagia prolifera (I)
Petrorhagia saxifraga (I)
Petroselinum crispum (I)
Petunia × atkinsiana (I)
Petunia axillaris (I)
Phacelia bipinnatifida (N)
Phacelia dubia var. dubia (N)
Phacelia purshii (N)
Phacelia ranunculacea (N)
Phalaris arundinacea (N)
Phalaris canariensis (I)
Phalaris caroliniana (N)
Phaseolus coccineus (I)
Phaseolus polystachios var. polystachios (N)
Phaseolus vulgaris (I)
Phegopteris connectilis (N)
Phegopteris hexagonoptera (N)
Phellodendron amurense (I)
Philadelphus coronarius (I)
Philadelphus inodorus (N)
Philadelphus pubescens var. pubescens (N)
Philadelphus tomentosus (I)
Phleum pratense (I)
Phlox divaricata ssp. divaricata (N)
Phlox glaberrima ssp. triflora (N)
Phlox latifolia (N)
Phlox maculata ssp. maculata (N)
Phlox maculata ssp. pyramidalis (N)
Phlox paniculata (N)
Phlox pilosa ssp. pilosa (N)
Phlox stolonifera (N)
Phlox subulata ssp. brittonii (N)
Phlox subulata ssp. subulata (N)
Phoradendron leucarpum (N)
Photinia floribunda (N)
Photinia melanocarpa (N)
Phragmites australis (N)
Phryma leptostachya (N)
Phyla lanceolata (N)
Phyllanthus caroliniensis ssp. caroliniensis (N)
Physalis alkekengi (I)
Physalis grisea (N)
Physalis heterophylla var. heterophylla (N)
Physalis hispida (N)
Physalis longifolia var. longifolia (N)
Physalis longifolia var. subglabrata (N)
Physalis philadelphica var. immaculata (I)
Physalis pubescens var. integrifolia (N)
Physalis pubescens var. pubescens (N)
Physalis virginiana var. virginiana (N)
Physematium obtusum ssp. obtusa (N)
Physocarpus opulifolius var. intermedius (N)
Physocarpus opulifolius var. opulifolius (N)
Physostegia virginiana ssp. praemorsa (N)
Physostegia virginiana ssp. virginiana (N)
Phytolacca americana var. americana (N)
Picea abies (I)
Picris echioides (I)
Picris hieracioides (N)
Picris hieracioides ssp. hieracioides (I)
Pilea fontana (N)
Pilea pumila var. pumila (N)
Pimpinella saxifraga ssp. saxifraga (I)
Pinellia ternata (I)
Pinus banksiana (N)
Pinus echinata (N)
Pinus nigra (I)
Pinus rigida (N)
Pinus strobus (N)
Pinus sylvestris (I)
Pinus virginiana (N)
Piptatherum racemosum (N)
Piptochaetium avenaceum (N)
Pistia stratiotes (N)
Pityopsis graminifolia var. latifolia (N)
Plantago aristata (N)
Plantago cordata (N)
Plantago lanceolata (I)
Plantago major (I)
Plantago patagonica (N)
Plantago psyllium (I)
Plantago rugelii var. rugelii (N)
Plantago virginica (N)
Platanthera × andrewsii (N)
Platanthera aquilonis (N)
Platanthera blephariglottis var. blephariglottis (N)
Platanthera ciliaris (N)
Platanthera clavellata (N)
Platanthera flava var. herbiola (N)
Platanthera grandiflora (N)
Platanthera hookeri (N)
Platanthera lacera (N)
Platanthera leucophaea (N)
Platanthera orbiculata (N)
Platanthera peramoena (N)
Platanthera psycodes (N)
Platanus occidentalis (N)
Pleopeltis polypodioides ssp. michauxiana (N)
Pluchea camphorata (N)
Poa alsodes (N)
Poa annua (I)
Poa arida (N)
Poa bulbosa (I)
Poa chapmaniana (N)
Poa compressa (I)
Poa cuspidata (N)
Poa nemoralis (N)
Poa nemoralis ssp. nemoralis (I)
Poa paludigena (N)
Poa palustris (N)
Poa pratensis (I)
Poa pratensis ssp. pratensis (N)
Poa saltuensis (N)
Poa sylvestris (N)
Poa trivialis (I)
Poa wolfii (N)
Podophyllum peltatum (N)
Podostemum ceratophyllum (N)
Pogonia ophioglossoides (N)
Polanisia dodecandra ssp. dodecandra (N)
Polanisia dodecandra ssp. trachysperma (N)
Polanisia jamesii (N)
Polemonium caeruleum (I)
Polemonium reptans var. reptans (N)
Polemonium reptans var. villosum (N)
Polygala ambigua (N)
Polygala cruciata var. aquilonia (N)
Polygala curtissii (N)
Polygala incarnata (N)
Polygala paucifolia (N)
Polygala polygama (N)
Polygala sanguinea (N)
Polygala senega (N)
Polygala verticillata var. isocycla (N)
Polygala verticillata var. verticillata (N)
Polygonatum biflorum var. commutatum (N)
Polygonatum pubescens (N)
Polygonum achoreum (N)
Polygonum amphibium var. emersum (N)
Polygonum amphibium var. stipulaceum (N)
Polygonum arenastrum (I)
Polygonum arifolium (N)
Polygonum aviculare (I)
Polygonum buxiforme (N)
Polygonum careyi (N)
Polygonum cespitosum var. longisetum (I)
Polygonum ciliinode (N)
Polygonum convolvulus var. convolvulus (I)
Polygonum erectum (N)
Polygonum fowleri ssp. fowleri (N)
Polygonum hydropiper (I)
Polygonum hydropiperoides (N)
Polygonum lapathifolium (N)
Polygonum orientale (I)
Polygonum pensylvanicum (N)
Polygonum perfoliatum (I)
Polygonum persicaria (I)
Polygonum punctatum var. confertiflorum (N)
Polygonum punctatum var. punctatum (N)
Polygonum ramosissimum var. ramosissimum (N)
Polygonum robustius (N)
Polygonum sachalinense (I)
Polygonum sagittatum (N)
Polygonum scandens var. cristatum (N)
Polygonum scandens var. dumetorum (N)
Polygonum scandens var. scandens (N)
Polygonum scandens var. dumetorum (I)
Polygonum setaceum (N)
Polygonum tenue (N)
Polygonum virginianum (N)
Polymnia canadensis (N)
Polypodium appalachianum (N)
Polypodium virginianum (N)
Polystichum acrostichoides var. acrostichoides (N)
Pontederia cordata (N)
Populus alba (I)
Populus balsamifera ssp. balsamifera (N)
Populus × canadensis (N)
Populus × canescens (I)
Populus deltoides ssp. deltoides (N)
Populus deltoides ssp. monilifera (N)
Populus grandidentata (N)
Populus heterophylla (N)
Populus × jackii (N)
Populus nigra (I)
Populus × smithii (N)
Populus tremuloides (N)
Portulaca grandiflora (I)
Portulaca oleracea (I)
Portulaca oleracea (N)
Potamogeton amplifolius (N)
Potamogeton compressus (N)
Potamogeton crispus (I)
Potamogeton diversifolius (N)
Potamogeton epihydrus (N)
Potamogeton foliosus ssp. foliosus (N)
Potamogeton friesii (N)
Potamogeton gramineus (N)
Potamogeton × hagstroemii (N)
Potamogeton hillii (N)
Potamogeton illinoensis (N)
Potamogeton natans (N)
Potamogeton nodosus (N)
Potamogeton perfoliatus (N)
Potamogeton praelongus (N)
Potamogeton pulcher (N)
Potamogeton pusillus ssp. pusillus (N)
Potamogeton pusillus ssp. tenuissimus (N)
Potamogeton × rectifolius (N)
Potamogeton richardsonii (N)
Potamogeton robbinsii (N)
Potamogeton spirillus (N)
Potamogeton strictifolius (N)
Potamogeton tennesseensis (N)
Potamogeton vaseyi (N)
Potentilla argentea var. argentea (I)
Potentilla arguta ssp. arguta (N)
Potentilla canadensis var. canadensis (N)
Potentilla canadensis var. villosissima (N)
Potentilla inclinata (I)
Potentilla intermedia (I)
Potentilla norvegica ssp. monspeliensis (N)
Potentilla paradoxa (N)
Potentilla pensylvanica var. pensylvanica (N)
Potentilla recta (I)
Potentilla reptans (I)
Potentilla simplex (N)
Prenanthes alba (N)
Prenanthes altissima (N)
Prenanthes aspera (N)
Prenanthes crepidinea (N)
Prenanthes racemosa var. racemosa (N)
Prenanthes serpentaria (N)
Prenanthes trifoliolata (N)
Proboscidea louisianica ssp. louisianica (N)
Prosartes lanuginosa (N)
Prosartes maculata (N)
Proserpinaca palustris var. amblyogona (N)
Proserpinaca palustris var. crebra (N)
Prunella laciniata (I)
Prunella vulgaris ssp. lanceolata (N)
Prunus americana (N)
Prunus avium (I)
Prunus cerasifera (I)
Prunus cerasus (I)
Prunus domestica var. domestica (I)
Prunus hortulana (N)
Prunus mahaleb (I)
Prunus mexicana (N)
Prunus munsoniana (N)
Prunus nigra (N)
Prunus pensylvanica var. pensylvanica (N)
Prunus persica var. persica (I)
Prunus pumila var. pumila (N)
Prunus serotina var. serotina (N)
Prunus subhirtella (I)
Prunus susquehanae (N) (here considered a synonym of P. pumila)
Prunus tomentosa (I)
Prunus virginiana var. virginiana (N)
Psammophiliella muralis (syn. Gypsophila muralis) (I)
Pseudognaphalium macounii (N)
Pseudognaphalium obtusifolium ssp. obtusifolium (N)
Pseudolysimachion longifolium (I)
Ptelea trifoliata ssp. trifoliata var. trifoliata (N)
Ptelea trifoliata ssp. trifoliata (N)
Pteridium aquilinum var. latiusculum (N)
Pteridium aquilinum var. pseudocaudatum (N)
Puccinellia distans (N)
Puccinellia distans ssp. distans (I)
Pueraria montana var. lobata (I)
Pycnanthemum incanum var. incanum (N)
Pycnanthemum incanum var. puberulum (N)
Pycnanthemum muticum (N)
Pycnanthemum pycnanthemoides var. pycnanthemoides (N)
Pycnanthemum tenuifolium (N)
Pycnanthemum verticillatum var. pilosum (N)
Pycnanthemum verticillatum var. verticillatum (N)
Pycnanthemum virginianum (N)
Pyracantha coccinea (I)
Pyracantha coccinea (N)
Pyrola americana (N)
Pyrola asarifolia ssp. asarifolia (N)
Pyrola chlorantha (N)
Pyrola elliptica (N)
Pyrus calleryana (I)
Pyrus communis (I)