Canada's Plant Hardiness Site
Pages 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 ZUlmus alata winged elm
Ulmus americana white elm
Ulmus minor field elm
Ulmus crassifolia Texas cedar elm
Ulmus pumila dwarf elm
Ulmus rubra slippery elm
Ulmus serotina September elm
Uvularia grandiflora large-flower bellwort
Uvularia sessilifolia sessile-leaf bellwort
Umbellularia californica California laurel
Uvularia perfoliata perfoliate bellwort
Utricularia geminiscapa twin-stem bladderwort
Utricularia ochroleuca yellowish-white bladderwort
Utricularia resupinata resupinate bladderwort
Ulmus thomasii rock elm
Urtica urens burning nettle
Utricularia cornuta horned bladderwort
Utricularia intermedia flat-leaf bladderwort
Utricularia minor lesser bladderwort
Utricularia purpurea greater purple bladderwort
Ulmus glabra wych elm
Urtica dioica stinging nettle
Urtica gracilis slender stinging nettle
Utricularia gibba humped bladderwort
Ulex europaeus gorse
Utricularia radiata little floating bladderwort
Utricularia subulata zigzag bladderwort
Utricularia vulgaris common bladderwort
Urtica dioica subsp. dioica stinging nettle