Virginia Spring Beauty 
Water Chickweed 
Water smartweed 
Waterwheel plant 
Wavyleaf sea lavender 
Weberbauerocereus weberbaueri 
Weed silene 
Western Dock 
western pearlwort 
Western springbeauty 
White Campion 
White Saxaul 
Whittaker's Sundew 
Wild carnation 
Wild Pink 
Wild Pink 
Wingpod Purslane 
Winterfat 
Woolly Nipple Cactus 
Yellow Sand-verbena