Yam
Yampah
Yankee Blackberry
Yankeeweed
Yarrow
Yaupon
Yellow Bluestem
Yellow Crownbeard
Yellow Daylily
Yellow Flatsedge
Yellow Floatingheart
Yellow Foxtail
Yellow Fringed Orchid
Yellow Fumewort
Yellow Giant Hyssop
Yellow Honeysuckle
Yellow Hornpoppy
Yellow Loosestrife
Yellow Nailwort
Yellow Nutsedge
Yellow Oatgrass
Yellow Passionflower
Yellow Pimpernel
Yellow Pond-lily
Yellow Puff
Yellow Salsify
Yellow Star-thistle
Yellow Stonecrop
Yellow Sundrops
Yellow Thistle
Yellow Troutlily
Yellow Water Buttercup
Yellow Waterlily
Yellow Wild Indigo
Yellowcress
Yelloweyed Grass
Yellowfruit Horse-gentian
Yellowfruit Sedge
Yellowrocket
Yellowseed False Pimpernel
Yellowspine Thistle
Yellowtops
Yellowwood
Yerba Mansa