Type Common Name Scientific Name
P Alpine Cliff Fern Woodsia alpina
P Alpine Goldenrod Solidago leiocarpa
P Alpine Sweetgrass Anthoxanthum monticola ssp. monticola
P Alpine Willowherb Epilobium hornemannii ssp. hornemannii
P Alternate-flowered Water Milfoil Myriophyllum alterniflorum
P Ambiguous Sedge Carex amphibola
P Ambiguous Spike Rush Eleocharis ambigens
P American Featherfoil Hottonia inflata
P American Golden Dock Rumex fueginus
P American Knotweed Polygonum buxiforme
P American Saltmarsh Bulrush Bolboschoenus maritimus ssp. paludosus
P American Strawberry Bush Euonymus americanus
P American Waterwort Elatine americana
P Annual Saltmarsh Aster Symphyotrichum subulatum var. subulatum
P Appalachian Sandwort Mononeuria glabra
P Appalachian Shoestring Fern Vittaria appalachiana
P Atlantic White Cedar Chamaecyparis thyoides
P Auricled Twayblade Neottia auriculata
P Back's Sedge Carex backii
P Balsam Willow Salix pyrifolia
P Barratt's Sedge Carex barrattii
P Basilbalm Monarda clinopodia
P Basil Mountain Mint Pycnanthemum clinopodioides
P Bayard's Adder's Mouth Orchid Malaxis bayardii
P Bearberry Willow Salix uva-ursi
P Bent Sedge Carex styloflexa
P Bigelow's Glasswort Salicornia bigelovii
P Bigelow's Sedge Carex bigelowii
P Big Shellbark Hickory Carya laciniosa
P Bird's Eye Primrose Primula mistassinica
P Black Crowberry Empetrum nigrum
P Black-Edged Sedge Carex nigromarginata
P Black Sedge Carex nigra
P Blue Wild Rye Elymus glaucus ssp. glaucus
P Blunt-lobed Grape Fern Botrychium oneidense
P Blunt Mountain Mint Pycnanthemum muticum
P Bog Huckleberry Gaylussacia bigeloviana
P Boott's Rattlesnake Root Nabalus boottii
P Bradley's Spleenwort Asplenium bradleyi
P Bristly Smartweed Persicaria setacea
P Britton's Coast Violet Viola brittoniana
P Broad-lipped Twayblade Neottia convallarioides
P Broom Crowberry Corema conradii
P Brown Bog Sedge Carex buxbaumii
P Bushy Cinquefoil Potentilla supina ssp. paradoxa
P Bushy Rock Rose Crocanthemum dumosum
P Bushy St. John's Wort Hypericum densiflorum
P Butterwort Pinguicula vulgaris
P Buttonbush Dodder Cuscuta cephalanthi
P Button Sedge Carex bullata
P Calypso Calypso bulbosa var. americana
P Canadian Single-spike Sedge Carex scirpoidea ssp. scirpoidea
P Carey's Sedge Carex careyana
P Carey's Smartweed Persicaria careyi
P Carolina Clubmoss Pseudolycopodiella caroliniana
P Carolina Redroot Lachnanthes caroliniana
P Carolina Sedge Carex caroliniana
P Carolina Whitlow Grass Tomostima reptans
P Cat-tail Sedge Carex typhina
P Champlain Beachgrass Ammophila breviligulata ssp. champlainensis
P Clausen's Reed Grass Calamagrostis perplexa
P Climbing Fern Lygodium palmatum
P Clinton's Club Sedge Trichophorum clintonii
P Cloud Sedge Carex haydenii
P Clustered Bluets Edrastima uniflora
P Clustered Sedge Carex cumulata
P Coastal Carrion Flower Smilax pseudochina
P Coastal Fireweed Erechtites hieraciifolius var. megalocarpus
P Coastal Goldenrod Solidago latissimifolia
P Coastal Silverweed Potentilla anserina ssp. pacifica
P Coast creeping moss Conardia compacta
P Coast Flatsedge Cyperus polystachyos var. texensis
P Collins' Sedge Carex collinsii
P Comb-leaved Mermaid Weed Proserpinaca pectinata
P Common Moonwort Botrychium neolunaria
P Common Rattlebox Crotalaria sagittalis
P Common Roseroot Rhodiola rosea
P Cooper's Milkvetch Astragalus neglectus
P Coppery St. John's Wort Hypericum denticulatum
P Cranefly Orchid Tipularia discolor
P Crawe's Sedge Carex crawei
P Cream-Colored Avens Geum virginianum
P Creeping Juniper Juniperus horizontalis
P Creeping Sedge Carex chordorrhiza
P Creeping St. John's Wort Hypericum adpressum
P Culver's Root Veronicastrum virginicum
P Curlygrass Fern Schizaea pusilla
P Cut-leaved Evening Primrose Oenothera laciniata
P Cut-Leaved Water Milfoil Myriophyllum pinnatum
P Dark-green Sedge Carex venusta
P Davis' Sedge Carex davisii
P Deer's Hair Club Sedge Trichophorum cespitosum ssp. cespitosum
P Diapensia Diapensia lapponica
P Douglas' Knotweed Polygonum douglasii
P Downy Wood Mint Blephilia ciliata
P Dragon's Mouth Orchid Arethusa bulbosa
P Drummond's Rock Cress Boechera stricta
P Dune Sandspur Cenchrus tribuloides
P Dwarf Bilberry Vaccinium cespitosum
P Dwarf Cherry Prunus pumila var. depressa
P Dwarf Hawthorn Crataegus uniflora
P Dwarf White Birch Betula minor
P Eastern Grasswort Lilaeopsis chinensis
P Eastern Silvery Aster Symphyotrichum concolor var. concolor
P Elk Sedge Carex garberi
P Emory's Sedge Carex emoryi
P Engelmann's Spike Rush Eleocharis engelmannii
P Estuary Beggar-ticks Bidens hyperborea var. hyperborea
P Estuary Beggar Ticks Bidens bidentoides
P Fairywand Chamaelirium luteum
P False Hop Sedge Carex lupuliformis
P False Toad Flax Geocaulon lividum
P Farwell's Water Milfoil Myriophyllum farwellii
P Fernald's Blue Grass Poa laxa ssp. fernaldiana
P Fernald's Sedge Carex merritt-fernaldii
P Few-flowered Nutrush Scleria pauciflora var. caroliniana
P Few-Headed Blazing Star Liatris cylindracea
P Field Bead Grass Paspalum laeve
P Five-angled Dodder Cuscuta pentagona
P Forest Blue Grass Poa sylvestris
P Fragrant Cliff Fern Dryopteris fragrans
P Frank's Sedge Carex frankii
P Fringed Fabronia Fabronia ciliaris
P Georgia Bulrush Scirpus georgianus
P Glandular Dodder Cuscuta obtusiflora var. glandulosa
P Glaucous Sedge Carex glaucodea
P Globe Flat Sedge Cyperus echinatus
P Globe-Fruited Seed-Box Ludwigia sphaerocarpa
P Glomerate Sedge Carex aggregata
P Golden Club Orontium aquaticum
P Golden Corydalis Corydalis aurea
P Goldenseal Hydrastis canadensis
P Graham's Rock Cress Boechera grahamii
P Grass-Leaved Ladies' Tresses Spiranthes vernalis
P Great Lakes Sand Cherry Prunus pumila var. pumila
P Great Plains Flat Sedge Cyperus lupulinus ssp. lupulinus
P Green Gentian Frasera caroliniensis
P Green Milkweed Asclepias viridiflora
P Green Rock Cress Borodinia missouriensis
P Green Screwstem Bartonia paniculata ssp. paniculata
P Grooved Yellow Flax Linum sulcatum
P Hair-like Sedge Carex capillaris
P Hairy Small-Leaved Tick Trefoil Desmodium ciliare
P Hairy Thoroughwort Eupatorium pubescens
P Handsome Sedge Carex formosa
P Harbinger-of-spring Erigenia bulbosa
P Hart's-tongue Fern Asplenium scolopendrium var. americanum
P Heart-leaved Plantain Plantago cordata
P Heart Sorrel Rumex hastatulus
P Highland Rush Oreojuncus trifidus
P Hill's Pondweed Potamogeton hillii
P Hoary Puccoon Lithospermum canescens
P Hooker's Orchid Platanthera hookeri
P Horned Beak Sedge Rhynchospora inundata
P Horsetail Spike Rush Eleocharis equisetoides
P Houghton's Sedge Carex houghtoniana
P Hudson River Water Nymph Najas muenscheri
P Hyssop Hedge Nettle Stachys hyssopifolia var. hyssopifolia
P Hyssop Skullcap Scutellaria integrifolia
P Indian Paintbrush Castilleja coccinea
P Intertidal Spike Rush Eleocharis aestuum
P Ipecac Spurge Euphorbia ipecacuanhae
P Jacob's Ladder Polemonium vanbruntiae
P James' Sedge Carex jamesii
P Lake Water Cress Rorippa aquatica
P Lapland Rosebay Rhododendron lapponicum var. lapponicum
P Large-Calyxed Goosefoot Chenopodium berlandieri var. macrocalycium
P Large Grass-leaved Rush Juncus biflorus
P Large-Leaved Avens Geum macrophyllum var. macrophyllum
P Large-Panicled Sedge Carex decomposita
P Leedy's Roseroot Rhodiola integrifolia ssp. leedyi
P Leiberg's Rosette Grass Dichanthelium leibergii
P Lesser Fringed Gentian Gentianopsis virgata
P Lily-Leaved Twayblade Liparis liliifolia
P Linear-leaved Loosestrife Lysimachia quadriflora
P Lined Sedge Carex striatula
P Livid Sedge Carex livida
P Long-beaked Beak Sedge Rhynchospora scirpoides
P Long's Bittercress Cardamine longii
P Long-tubercled Spike Rush Eleocharis tuberculosa
P Lowland Fragile Fern Cystopteris protrusa
P Lowland Loosestrife Lysimachia hybrida
P Low Rock Rose Crocanthemum propinquum
P Low St. John's Wort Hypericum stragulum
P Many-headed Sedge Carex sychnocephala
P Mare's Tail Hippuris vulgaris
P Marsh Fimbry Fimbristylis castanea
P Marsh Horsetail Equisetum palustre
P Marsh Lousewort Pedicularis lanceolata
P Marsh Straw Sedge Carex hormathodes
P Marsh Valerian Valeriana uliginosa
P Meadow Horsetail Equisetum pratense
P Mead's Sedge Carex meadii
P Midland Sedge Carex mesochorea
P Midwestern Purple Bluets Houstonia purpurea var. calycosa
P Mingan Moonwort Botrychium minganense
P Minute Duckweed Lemna perpusilla
P Mitchell's Sedge Carex mitchelliana
P Mountain Fescue Festuca saximontana var. saximontana
P Mountain Firmoss Huperzia appressa
P Mountain Spleenwort Asplenium montanum
P Musk Root Adoxa moschatellina
P Nantucket Juneberry Amelanchier nantucketensis
P Narrow-leaf Sea Blite Suaeda linearis
P Narrow-Leaved Pinweed Lechea tenuifolia
P Narrow-Leaved White-Topped Aster Sericocarpus linifolius
P New England Bulrush Bolboschoenus novae-angliae
P New England Violet Viola novae-angliae
P Nodding Pogonia Triphora trianthophora
P Nodding Wild Onion Allium cernuum var. cernuum
P Northern Bent Agrostis mertensii
P Northern Blazing Star Liatris scariosa var. novae-angliae
P Northern Bog Aster Symphyotrichum boreale
P Northern Bog Sedge Carex gynocrates
P Northern Bog Violet Viola nephrophylla
P Northern Clustered Sedge Carex arcta
P Northern Firmoss Huperzia selago
P Northern Gama Grass Tripsacum dactyloides
P Northern Ground Cedar Diphasiastrum complanatum
P Northern Lowbush Blueberry Vaccinium boreale
P Northern Monkshood Aconitum noveboracense
P Northern Reed Grass Calamagrostis stricta
P Northern Tansy Mustard Descurainia pinnata ssp. brachycarpa
P Northern Wild Comfrey Andersonglossum boreale
P Oakes' Evening Primrose Oenothera oakesiana
P Ogden's Pondweed Potamogeton x ogdenii
P Ohio Goldenrod Solidago ohioensis
P Orange Crested Orchid Platanthera cristata
P Orange Fringed Orchid Platanthera ciliaris
P Orange Milkwort Polygala lutea
P Ovate Spike Rush Eleocharis ovata
P Pale Duckweed Lemna valdiviana
P Peanut Grass Amphicarpum amphicarpon
P Persimmon Diospyros virginiana
P Pine Barren Bellwort Uvularia puberula
P Pine Drops Pterospora andromedea
P Pink Shinleaf Pyrola asarifolia ssp. asarifolia
P Pod Grass Scheuchzeria palustris
P Porter's Reed Grass Calamagrostis porteri ssp. porteri
P Powdery Carrion Flower Smilax pulverulenta
P Prairie Dunewort Botrychium campestre
P Primrose-leaf Violet Viola primulifolia
P Purple Crowberry Empetrum atropurpureum
P Purple Milkweed Asclepias purpurascens
P Purple Spring Cress Cardamine douglassii
P Puttyroot Aplectrum hyemale
P Pyxies Pyxidanthera barbulata
P Quill-leaved Arrowhead Sagittaria teres
P Ram's Head Lady's Slipper Cypripedium arietinum
P Rand's Goldenrod Solidago randii
P Red Pigweed Oxybasis rubra var. rubra
P Red Pondweed Potamogeton alpinus
P Reflexed Sedge Carex retroflexa
P Retrorse Flatsedge Cyperus retrorsus var. retrorsus
P Reznicek's Sedge Carex reznicekii
P Rhodora Rhododendron canadense
P Richardson's Sedge Carex richardsonii
P Rigid Tick Trefoil Desmodium obtusum
P Riverbank Goldenrod Solidago racemosa
P Riverbank Quillwort Isoetes riparia
P Riverweed Podostemum ceratophyllum
P Rock Elm Ulmus thomasii
P Rock Whitlow Grass Draba arabisans
P Roland's Seablite Suaeda rolandii
P Rose Coreopsis Coreopsis rosea
P Rose Pink Sabatia angularis
P Rough-Leaved Dogwood Cornus drummondii
P Rough Pennyroyal Hedeoma hispida
P Round-leaved Water Cress Cardamine rotundifolia
P Rugulose Grape Fern Botrychium rugulosum
P Rush Bladderwort Utricularia juncea
P Rusty Beard-moss Didymodon ferrugineus
P Saltmarsh Loosestrife Lythrum lineare
P Salt-meadow Grass Diplachne fusca ssp. fascicularis
P Sand Dune Willow Salix cordata
P Sandplain Agalinis Agalinis decemloba
P Sandplain Wild Flax Linum intercursum
P Sartwell's Sedge Carex sartwellii
P Schweinitz's Flat Sedge Cyperus schweinitzii
P Schweinitz's Sedge Carex schweinitzii
P Scotch Lovage Ligusticum scoticum ssp. scoticum
P Seabeach Amaranth Amaranthus pumilus
P Seabeach Knotweed Polygonum glaucum
P Sea Pink Sabatia stellaris
P Sea Purslane Sesuvium maritimum
P Seaside Agalinis Agalinis maritima var. maritima
P Seaside Orach Atriplex glabriuscula
P Seaside Plantain Plantago maritima var. juncoides
P Seaside Toad Rush Juncus ranarius
P Sedge Rush Juncus scirpoides
P Sharp-Angled Spike Rush Eleocharis tenuis var. pseudoptera
P Sharp-tipped Blue-eyed Grass Sisyrinchium mucronatum
P Sheathed Sedge Carex vaginata
P Shining Bedstraw Galium concinnum
P Short-beaked Beak Sedge Rhynchospora nitens
P Short-Fruited Rush Juncus brachycarpus
P Short-Leaved Pine Pinus echinata
P Short's Sedge Carex shortiana
P Showy Aster Eurybia spectabilis
P Shrubby St. John's Wort Hypericum prolificum
P Shumard Oak Quercus shumardii var. shumardii
P Side Oats Grama Bouteloua curtipendula var. curtipendula
P Sieve-toothed dry rock moss Coscinodon cribrosus
P Single-Glumed Spike Rush Eleocharis uniglumis
P Sky-blue Aster Symphyotrichum oolentangiense
P Slender Blue Flag Iris prismatica
P Slender Bulrush Schoenoplectus heterochaetus
P Slender Crab Grass Digitaria filiformis
P Slender Marsh Blue Grass Poa paludigena
P Slender Marsh Pink Sabatia campanulata
P Slender Nut Sedge Scleria minor
P Slender Pondweed Stuckenia filiformis ssp. alpina
P Slender Spike Grass Chasmanthium laxum
P Small Bur-reed Sparganium natans
P Small-flowered Buttercup Ranunculus micranthus
P Small-Flowered Dwarf Bulrush Cyperus subsquarrosus
P Small Swollen Bladderwort Utricularia radiata
P Small White Snakeroot Ageratina aromatica var. aromatica
P Smartweed Dodder Cuscuta polygonorum
P Smooth Beggar Ticks Bidens laevis
P Smooth Cliffbrake Pellaea glabella ssp. glabella
P Smooth Cliff Fern Woodsia glabella
P Smooth Whitlow Grass Draba glabella
P Snowbed Willow Salix herbacea
P Soapwort Gentian Gentiana saponaria
P Soft Fox Sedge Carex conjuncta
P Southern Arrowwood Viburnum dentatum var. venosum
P Southern Blue Flag Iris virginica var. shrevei
P Southern Seaside Goldenrod Solidago mexicana
P Southern Snailseed Pondweed Potamogeton diversifolius
P Southern Swamp Buttercup Ranunculus septentrionalis
P Southern Twayblade Neottia bifolia
P Southern Wild Comfrey Andersonglossum virginianum
P Southern Wild Raisin Viburnum nudum var. nudum
P Sparse-flowered Sedge Carex tenuiflora
P Spongy-Leaved Arrowhead Sagittaria montevidensis ssp. spongiosa
P Spotted Pondweed Potamogeton pulcher
P Spreading Chervil Chaerophyllum procumbens
P Spreading Globeflower Trollius laxus
P Spreading Rush Juncus subcaudatus
P Spurred Gentian Halenia deflexa
P Square-Stemmed Spike Rush Eleocharis quadrangulata
P Squashberry Viburnum edule
P Stalked Bugleweed Lycopus rubellus
P Stiff Flat-topped Goldenrod Solidago rigida var. rigida
P Straight-leaved Pondweed Potamogeton strictifolius
P Straw Sedge Carex straminea
P Striped Bladderwort Utricularia striata
P Striped Coralroot Corallorhiza striata var. striata
P Stuve's Bush Clover Lespedeza stuevei
P Swamp Birch Betula pumila
P Swamp Cottonwood Populus heterophylla
P Swamp Oats Sphenopholis pensylvanica
P Swamp Sunflower Helianthus angustifolius
P Sweetbay Magnolia Magnolia virginiana
P Sweet Coltsfoot Petasites frigidus var. palmatus
P Sweet-scented Indian Plantain Senecio suaveolens
P Tall Hairy Lettuce Lactuca hirsuta
P Terrestrial Water Starwort Callitriche terrestris
P Texas Wild Flax Linum medium var. texanum
P Thicket Sedge Carex abscondita
P Thick-Leaved Orach Atriplex dioica
P Three-ribbed Spike Rush Eleocharis tricostata
P Tinged Sedge Carex tincta
P Toothcup Rotala ramosior
P Torrey's Mountain Mint Pycnanthemum torreyi
P Torrey's Thoroughwort Eupatorium torreyanum
P Trailing Pearlwort Sagina decumbens ssp. decumbens
P Troublesome Sedge Carex molesta
P Tundra Dwarf Birch Betula glandulosa
P Twinleaf Jeffersonia diphylla
P Two-ranked moss Pseudotaxiphyllum distichaceum
P Variable Sedge Carex polymorpha
P Veined Thoroughwort Eupatorium subvenosum
P Veiny Meadow-rue Thalictrum venulosum var. confine
P Velvet Rosette Grass Dichanthelium scoparium
P Violet Wood Sorrel Oxalis violacea
P Virginia False Gromwell Lithospermum virginianum
P Virginia Pine Pinus virginiana
P Virginia Snakeroot Endodeca serpentaria
P Wafer-ash Ptelea trifoliata ssp. trifoliata
P Water Pigmyweed Crassula aquatica
P Weak Rush Juncus debilis
P Weft Fern Crepidomanes intricatum
P Western Beakgrain Diarrhena obovata
P Wheat Sedge Carex atherodes
P Whip Nut Sedge Scleria triglomerata
P White-bracted Boneset Eupatorium leucolepis var. leucolepis
P White Colicroot Aletris farinosa
P White Death Camas Anticlea elegans var. glauca
P White Milkweed Asclepias variegata
P White Mountain Saxifrage Saxifraga paniculata ssp. paniculata
P Whorled Mountain Mint Pycnanthemum verticillatum var. verticillatum
P Whorled-pennywort Hydrocotyle verticillata
P Wiegand's Sedge Carex wiegandii
P Wild Hydrangea Hydrangea arborescens
P Wild Pink Silene caroliniana ssp. pensylvanica
P Wild Potato Vine Ipomoea pandurata
P Wild Sweet William Phlox maculata ssp. maculata
P Willow Oak Quercus phellos
P Winter Grape Vitis vulpina
P Wiry Witch Grass Panicum flexile
P Woodland Agrimony Agrimonia rostellata
P Woodland Arctic Cudweed Omalotheca sylvatica
P Woodland Lettuce Lactuca floridana
P Woolly Lip Fern Myriopteris lanosa
P Wright's Rosette Grass Dichanthelium wrightianum
P Yellow Flat Sedge Cyperus flavescens
P Yellow Giant Hyssop Agastache nepetoides
P Yellow Mountain Saxifrage Saxifraga aizoides
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