List of Canadian plants by family U–W

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Main page: List of Canadian plants by family

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.

Ulmaceae

Ulmus americana — American elm Ulmus rubra — slippery elm

Ulmus thomasii — rock elm

Urticaceae

Boehmeria cylindrica — smallspike false nettle Laportea canadensis — Canada wood-nettle Parietaria pensylvanica — Pennsylvania pellitory

Pilea fontana — springs clearweed Pilea pumila — Canada clearweed Urtica dioica — stinging nettle

Valerianaceae

Plectritis congesta — pink plectritis Plectritis macrocera — white plectritis Valeriana capitata — clustered valerian Valeriana dioica — wood valerian Valeriana edulis — hairy valerian

Valeriana scouleri — Scouler's valerian Valeriana sitchensis — Sitka valerian Valeriana uliginosa — marsh valerian Valerianella chenopodiifolia — goosefoot cornsalad Valerianella umbilicata — navel-shape cornsalad

Verbenaceae

Glandularia bipinnatifida — Dakota vervain Phryma leptostachya — American lopseed Phyla lanceolata — fog-fruit Verbena bracteata — largebract vervain Verbena hastata — blue vervain Verbena simplex — narrowleaf vervain

Verbena stricta — hoary vervain Verbena urticifolia — white vervain Verbena x deamii Verbena x engelmannii Verbena x perriana Verbena x rydbergii

Violaceae

Hybanthus concolor — green violet Viola adunca — sand violet Viola affinis — Le Conte's violet Viola bicolor — field pansy Viola biflora — northern violet Viola blanda — smooth white violet Viola canadensis — Canada violet Viola conspersa — American bog violet Viola cucullata — marsh blue violet Viola epipsila — northern marsh violet Viola glabella — smooth yellow woodland violet Viola howellii — Howell's violet Viola labradorica — Labrador violet Viola lanceolata — lanceleaf violet Viola langsdorffii — Aleutian violet Viola macloskeyi — smooth white violet Viola missouriensis — Missouri violet Viola nephrophylla — northern bog violet Viola novae-angliae — New England violet Viola nuttallii — Nuttall's violet Viola orbiculata — western rough-leaved violet Viola palustris — alpine marsh violet Viola pedata — bird's-foot violet Viola pedatifida — prairie violet Viola praemorsa — upland yellow violet Viola primulifolia — primrose-leaf violet

Viola pubescens — downy yellow violet Viola purpurea — pine violet Viola renifolia — kidneyleaf white violet Viola rostrata — longspur violet Viola rotundifolia — roundleaf violet Viola sagittata — arrowleaf violet Viola selkirkii — great-spurred violet Viola sempervirens — redwood violet Viola septentrionalis — northern blue violet Viola sororia — woolly blue violet Viola striata — striped violet Viola triloba — three-lobed violet Viola vallicola — valley violet Viola x bissellii Viola x brauniae Viola x conjugens Viola x eclipes Viola x filicetorum Viola x malteana Viola x melissifolia Viola x palmata — early blue violet Viola x parca Viola x populifolia Viola x porteriana — Stone's violet Viola x primulifolia — primrose-leaf violet Viola x sublanceolata

Viscaceae

Arceuthobium americanum — American mistletoe Arceuthobium campylopodum — western dwarf-mistletoe Arceuthobium douglasii — Douglas-fir dwarf-mistletoe

Arceuthobium laricis — larch dwarf-mistletoe Arceuthobium pusillum — dwarf mistletoe Arceuthobium tsugense — hemlock dwarf-mistletoe

Vitaceae

Parthenocissus quinquefolia — Virginia creeper Parthenocissus vitacea — woodbine Vitis aestivalis — summer grape

Vitis labrusca — northern fox grape Vitis riparia — riverbank grape Vitis vulpina — winter grape

Woodsiaceae

Athyrium americanum — American alpine ladyfern Athyrium filix-femina — lady fern Cystopteris bulbifera — bulblet fern Cystopteris fragilis — fragile fern Cystopteris laurentiana — Laurentian bladderfern Cystopteris montana — mountain bladderfern Cystopteris protrusa — lowland brittle fern Cystopteris tenuis — upland brittle bladderfern Deparia acrostichoides — silver false spleenwort Diplazium pycnocarpon — glade fern Gymnocarpium disjunctum — Pacific oak fern Gymnocarpium dryopteris — northern oak fern Gymnocarpium jessoense — northern oak fern Gymnocarpium robertianum — limestone oak fern

Gymnocarpium x achriosporum Gymnocarpium x brittonianum Gymnocarpium x intermedium Woodsia alpina — northern woodsia Woodsia glabella — smooth woodsia Woodsia ilvensis — rusty woodsia Woodsia obtusa — bluntlobe woodsia Woodsia oregana — western cliff fern Woodsia scopulina — Rocky Mountain woodsia Woodsia x abbeae Woodsia x gracilis Woodsia x maxonii Woodsia x tryonis