- wood gum
- wild buffalo
- water hemlock
- water dropwort
- western poison oak
- western poppy
- Welsh poppy
- wood poppy
- western ribbon snake
- western red_backed salamander
- white wax tree
- whip stitching
- whip scorpion
- whip_scorpion
- white feldspar
- western holly fern
- Woodwardia
- wen ch'ang
- white bryony
- well_behaved
- wedge bone
- whitetail prairie dog
- w. c. handy
- william christopher handy
- wetting angle
- winslow
- wood duck
- wood widgeon
- wheelhouse
- wild pansy
- wheatish (colour)
- white_alder family
- winter heath
- white hellebore
- wood hoopoe
- Welsh corgi
- wire_haired pointing griffon
- wild indigo
- winter currant
- white currant
- widal reaction
- water clock
- winged spindle tree
- waylaid
- wild clary
- white cinnamon
- wild rye
- woolly manzanita
- woody nightshade
- wild plum tree