genus Tupaia genus Tupinambis genus Turbatrix genus Turdus genus Turnix genus Turreae genus Turritis genus Tursiops genus Tussilago genus Tylenchus genus Tympanuchus genus Typha genus Tyrannosaurus genus Tyrannus genus Tyto genus Uca genus Uintatherium genus Ulex genus Ulmus genus Ulva genus Uma genus Umbellularia genus Umbrina genus Unio genus Upupa genus Urginea genus Uria genus Urocyon genus Urocystis genus Urophycis genus Uropsilus genus Urosaurus genus Ursinia genus Ursus genus Urtica genus Usnea genus Ustilaginoidea genus Ustilago genus Uta genus Utahraptor
| genus Utricularia genus Uvularia genus Vaccaria genus Vaccinium genus Valeriana genus Valerianella genus Vallisneria genus Vanda genus Vanellus genus Vanessa genus Vangueria genus Vanilla genus Varanus genus Vedalia genus Velociraptor genus Venus genus Veratrum genus Verbascum genus Verbena genus Verbesina genus Vernonia genus Veronica genus Verticillium genus Vesicaria genus Vespa genus Vespertilio genus Vespula genus Vibrio genus Viburnum genus Vicia genus Vicugna genus Vidua genus Vigna genus Viminaria genus Vinca genus Vincetoxicum genus Viola genus Vipera genus Vireo genus Virgilia
| genus Viscum genus Vitis genus Vittaria genus Viverra genus Viverricula genus Volvaria genus Volvariella genus Volvox genus Vorticella genus Vulpes genus Vultur genus Weigela genus Welwitchia genus Welwitschia genus Wintera genus Wisteria genus Wolffia genus Wolffiella genus Woodsia genus Woodwardia genus Wyethia genus Wynnea genus Xanthium genus Xanthomonas genus Xanthorroea genus Xanthosoma genus Xenicus genus Xenopus genus Xenorhyncus genus Xenosaurus genus Xeranthemum genus Xerobates genus Xerophyllum genus Xiphias genus Xylaria genus Xylocopa genus Xylomelum genus Xylopia genus Xylosma genus Xyphophorus
|