Walnut, Black [Juglans nigra]
Water Hyacinth, Common [Eichhornia crassipes (Mart.) Solms]
Water Lily [Nymphaea marliac L.]
Weed, Annual, C4 [Eragrostis orcuttiana Vasey]
Wheat, Common [Triticum aestivum L.]
Wheatgrass, Western [Agropyron smithii Rybd.]
Wheatgrass, Western [Pascopyrum smithii (Rydb.) A. Love]
Whortleberry [Vaccinium myrtillus L.]
Woodland Sage [Salvia nemorosa]