Yarrow
Yellow Alfalfa
Yellow Avens
Yellow Coralroot
Yellow Evening Primrose
Yellow Foxtail
Yellow Fritillary
Yellow Loosestrife
Yellow Marsh Marigold
Yellow Nutsedge
Yellow Pond-lily
Yellow Rattle
Yellow Salsify
Yellow Spring Bedstraw
Yellow Star-thistle
Yellow Sundrops
Yellow Water Buttercup
Yellow Widelip Orchid
Yellow Willow
Yellowcress
Yellowflower Locoweed
Yellowrocket
Yellowseed False Pimpernel
Yerba Santa
Yucca