Canada

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alexanders

Angelica atropurpurea

Allegheny Serviceberry

Amelanchier arborea

alpine lady's-mantle

Alchemilla alpina

All Species in Canada

Pot marigold

Calendula officinalis

Poverty brome

Bromus sterilis

poverty sumpweed

Iva axillaris

poverty-weed

Blitum nuttallianum

Powder Post Beetle

Stephanopachys substriatus

Critically Endangered

Powder-post checkered beetle

Tarsostenus univittatus

prairie buttercup

Ranunculus rhomboideus

prairie cup grass

Eriochloa contracta

prairie goldenrod

Solidago missouriensis

Prairie Goldenrod

Solidago ptarmicoides

Prairie Grass

Sporobolus cryptandrus

Prairie Grass

Sphenopholis obtusata

prairie grey-stemmed goldenrod

Solidago decemflora

Prairie Hummock Sedge

Carex richardsonii

prairie violet

Viola pedatifida

pretty cinquefoil

Potentilla pulchella

Prickly comfrey

Symphytum asperum

Prickly Coontail

Ceratophyllum echinatum

Prickly fanpetals

Sida spinosa

Prickly lettuce

Lactuca serriola

Prickly Russian Thistle

Salsola tragus

prickly saxifrage

Saxifraga tricuspidata

Prickly Sedge

Carex spicata

primrose-leaved violet

Viola sublanceolata

Princely harp ground beetle

Amara aulica

Prince Of Wales-Feather

Amaranthus hypochondriacus

proliferous pink

Petrorhagia prolifera

Proliferous pink

Petrorhagia nanteuilii

Prostrate pigweed

Amaranthus albus

Prototype quillwort

Isoetes prototypus

Ptilid beetle

Millidium minutissimum

Pubescent carpet beetle

Megatoma pubescens

Endangered

Pubescent minute beetle

Clambus pubescens

pulse milk-vetch

Astragalus tenellus

Pumpelly's brome

Bromus pumpellianus

Pumpkin Ash

Fraxinus profunda

Critically Endangered

Puncture-Headed Harp Ground Beetle

Ophonus puncticeps

Puncturevine

Tribulus terrestris

Purpleanther field pepperweed

Lepidium heterophyllum

Purple Chokeberry

Aronia prunifolia

Purple Crowberry

Empetrum atropurpureum

Purple Dead-Nettle

Lamium purpureum

Purple-Hooded Orchis

Galearis spectabilis

Purple Loosestrife

Lythrum salicaria

purple reedgrass

Calamagrostis purpurascens

Purple Sand-Spurrey

Spergularia rubra

purple spikerush

Eleocharis atropurpurea

Purple toadflax

Linaria purpurea

Purpletop vervain

Verbena incompta

Purple Viper's-bugloss

Echium plantagineum

Purple Wendock

Brasenia schreberi

Purple Wild Raspberry

Rubus neglectus

Pursh's seepweed

Suaeda calceoliformis

pygmy water-lily

Nymphaea tetragona

Pyrenean Saxifrage

Saxifraga umbrosa

Pyrethum daisy

Tanacetum coccineum

pyrimidal bugle

Ajuga pyramidalis

Quagga Mussel

Dreissena bugensis

queen devil hawkweed

Pilosella glomerata

Queen Lady'S Slipper

Cypripedium reginae