| Abbreviation | Definition |
|---|---|
| TYMC | Total combined Yeasts Mould Count |
| TYMC | Total combined Yeasts & Mould Count |
| TZG | Toledo Zoological Gardens |
| UABG | University of Alberta Botanic Garden |
| ULA | Ultra Large Arbor |
| URPE | Utah Rare Plant Expedition |
| URPG | Utah Rare Plant Guide |
| URPR | URtica PRocera |
| USBG | United States Botanic Garden |
| VFS | Vermont Flower Show |
| VFT | Venus Fly Trap |
| VIGS | Virus-Induced Gene Silencing |
| VINC | Victorian Indigineous Nurseries Co-operative |
| VINE | Vine Integrity Nursery Environment |
| VNS | Variety Not Stated |
| VTI | Veterinary Training Institute |
| W | Wild |
| WAA | Wisconsin Arborist Association |
| WAFB | Weeks After Full Bloom |
| WALH | White Apple LeafHopper (Typhlocyba pomaria McAtee) |