| Abbreviation | Definition |
|---|---|
| AuBV | Aucuba Bacilliform Virus |
| AUC | Average Unit Cell |
| AVA | American Viticultural Area |
| AVA | American Viticulture Area |
| AVA | Approved Viticultural Area |
| AVG | AminoethoxyVinylGlycine |
| AWI | Annual Woody Increment |
| BA | Big Arbor |
| BA | Botanical Area |
| BAEE | Botanical Artists for Education the Environment |
| BAG | Bindweed Afflicted Gardener |
| BB | Bio Breeding |
| BBD | Beech Bark Disease |
| BBG | Bellevue Botanical Garden |
| BBG | Birmingham Botanical Gardens |
| BBG | Brooklyn Botanic Garden |
| BBGS | Bellevue Botanical Garden Society |
| BBGS | Biblical Botanical Gardens Society |
| BBL | Bush Blue Lake |
| BBPP | Bioko Biodiversity Protection Programme |