Wait-a-minute-bush (Mimosa biuncifera)
Waitea Patch (Rhizoctonia circinata var. circinata)
Waitea Patch (Waitea circinata)
Waitea Patch (Waitea spp)
Wallflower, Bushy (Erysimum repandum)
Wallflower, Tall Wormseed (Erysimum strictum)
Walnut (Juglans spp.)
Walnut, Black (Juglans nigra)
Walnut, English (Juglans regia)
Waltheria, Indian (Waltheria indica (W. americana))
Wandering Jew (Zebrina pendula)
Wanderingjew, Bengal (Commelina benghalensis)
Warm season turfgrass Decline (Gaueumannnomyces graminis var. graminis)
Wartcress, Creeping (Coronopus squamatus)
Wasp (Hymenoptera)
Wasp, Cicada Killer (Sphecius speciosus)
Wasp, Digger (Sphecidea)
Wasp, Gall (Cynipoidea)
Wasp, Seed (various)