| Abbreviation | Definition |
|---|---|
| WGV | Whitbread Goldings Variety |
| WHC | Water Holding Capacity |
| WHCP | Water Hyacinth Control Program |
| WHW | White Wyandotte |
| WHZ | Winter Hardiness Zone |
| WIFL | Willow Flycatcher |
| WIGR | Wiregrass |
| WIOA | Wild Oats |
| WLH | White apple LeafHopper |
| WMG | Wrigley Memorial and Botanical Garden |
| WNAS | Western Nevada Astronomical Society |
| WNGC | West Newbury Garden Club |
| WNP | Washington Native Plant |
| WNPS | Washington Native Plant Society |
| WON | Web Of Nature |
| WONS | Weeds Of National Significance |
| WOW | Weed Or Wildflower |
| WP | Wind Pollination |
| WPA | Washington Park Arboretum |
| WPFO | Western Prairie Fringed Orchid |