Canada's Plant Hardiness Site

Preliminary climatic range maps for 2800 species.

(Last updated Thu Jan 24 16:21:44 EST 2013)
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Ranunculus abortivus smallflower crowfoot
Ranunculus acris meadow buttercup
Ranunculus ambigens
Ranunculus aquatilis var. diffusus white watercrowfoot
Ranunculus fascicularis early butercup
Ranunculus flabellaris yellow waterbuttercup
Ranunculus flammula lesser spearwort
Ranunculus gelidus alpine buttercup
Ranunculus gmelinii Gmelin's watercrowfoot
Ranunculus hispidus bristly buttercup
Ranunculus hispidus var. caricetorum northern swamp buttercup
Ranunculus macounii Macoun's buttercup
Ranunculus micranthus
Ranunculus pensylvanicus bristly buttercup
Ranunculus recurvatus hooked crowfoot
Ranunculus recurvatus var. recurvatus hooked crowfoot
Ranunculus repens gold-balls
Ranunculus rhomboideus prairie buttercup
Ranunculus sceleratus blister buttercup
Raphanus raphanistrum jointed charlock
Ratibida pinnata Mexican hat plant
Rhamnus alnifolia alderleaf buckthorn
Rhamnus cathartica common buckthorn
Rhapidophyllum hystrix needle palm
Rhexia aristosa
Rhexia virginica
Rhinanthus minor yellow rattle
Rhododendron P.J.M. Hybrids P.J.M. rhododenron
Rhododendron albiflorum whiteflower rhododendron
Rhododendron austrinum Florida azalea
Rhododendron calendulaceum flame azalea
Rhododendron canadense Canada rhododendron
Rhododendron catawbiense Catawba rhododendron
Rhododendron degronianum subsp. yakushimanum Yakushima rhododendron
Rhododendron flammeum Oconee azalea
Rhododendron groenlandicum common Labrador tea
Rhododendron lapponicum Lapland rosebay
Rhododendron macrophyllum Pacific rhododendron
Rhododendron maximum great laurel
Rhododendron prinophyllum roseshell azalea
Rhododendron prunifolium plumleaf azalea
Rhododendron vaseyi pinkshell azalea
Rhododendron viscosum swamp azalea
Rhododendron Xcolumbianum Columbia rhododendron
Rhus aromatica skunkbush
Rhus copallinum winged sumac
Rhus glabra scarlet sumac
Rhus typhina staghorn sumac
Rhynchospora alba white beakrush
Rhynchospora capillacea needle beakrush
Rhynchospora capitellata brownish beakrush
Rhynchospora fusca brown beakrush
Rhynchospora inundata
Rhynchospora macra
Rhynchospora macrostachya
Rhynchospora recognita
Rhynchospora scirpoides
Rhynchospora stenophylla
Rhynchospora tracyi
Rhytidiadelphus triquetrus shaggy moss
Ribes acerifolium
Ribes americanum wild black currant
Ribes aureum var. villosum buffalo currant
Ribes bracteosum stink currant
Ribes cereum wax currant
Ribes cynosbati eastern prickly gooseberry
Ribes glandulosum skunk currant
Ribes hirtellum swamp gooseberry
Ribes hudsonianum northern black currant
Ribes lacustre swamp black currant
Ribes laxiflorum trailing black currant
Ribes oxyacanthoides northern gooseberry
Ribes oxyacanthoides subsp. irriguum Idaho gooseberry
Ribes oxyacanthoides subsp. setosum rock gooseberry
Ribes sanguineum redflower currant
Ribes triste swamp red currant
Ribes viscosissimum sticky currant
Robinia neomexicana New Mexico locust
Robinia pseudoacacia black locust
Romanzoffia thompsonii
Rorippa aquatica lake watercress
Rorippa calycina
Rorippa columbiae
Rorippa palustris marsh yellowcress
Rorippa sylvestris creeping yellowcress
Rosa acicularis prickly wild rose
Rosa blanda meadow rose
Rosa carolina Carolina rose
Rosa gymnocarpa dwarf rose
Rosa multiflora Japanese rose
Rosa nitida shining rose
Rosa nutkana Nootka rose
Rosa palustris swamp rose
Rosa setigera climbing rose
Rosa virginiana pasture rose
Rosa woodsii Woods' rose
Rotala ramosior
Rubus allegheniensis common blackberry
Rubus arcticus arctic bramble
Rubus arcticus subsp. acaulis arctic bramble
Rubus canadensis smooth blackberry
Rubus chamaemorus bakeapple (NL)
Rubus flagellaris northern dewberry
Rubus hispidus swamp dewberry
Rubus idaeus wild red raspberry
Rubus idaeus subsp. strigosus wild red raspberry
Rubus occidentalis western raspberry
Rubus odoratus flowering raspberry
Rubus parviflorus thimbleberry
Rubus pubescens dwarf raspberry
Rubus spectabilis salmonberry
Rudbeckia fulgida orange coneflower
Rudbeckia fulgida var. fulgida
Rudbeckia hirta hairy coneflower
Rudbeckia laciniata tall coneflower
Rudbeckia subtomentosa sweet black-eyed susan
Rudbeckia triloba browneyed Susan
Ruellia humilis hairy wild petunia
Rumex acetosa green sorrel
Rumex acetosella field sorrel
Rumex britannica great water dock
Rumex crispus curly dock
Rumex fueginus Tierra del Fuego dock
Rumex obtusifolius bitter dock
Rumex triangulivalvis triangular-valved dock
Ruppia cirrhosa spiral ditchgrass
Ruppia maritima beaked tasselweed