Name
- Tedder, Henry Richard, FSA1
- Thiselton-Dyer, William Turner, KCMG, Director of the Royal Botanic Gardens Kew1
- Treub, Melchior, Dutch botanist1
- Tyler, Ansel Augustus, US botanist1
- Van Tieghem, Philippe Édouard Léon, French naturalist1
- Vines, Sydney Howard, FRS, botanist1
- Walker, Robert, Registrar of Aberdeen University1
- Ward, Harry Marshall, FRS, botanist1
- Warming, Johannes Eugenius Bülow, Danish botanist1
- Watney, Gwendolen Margaret, wife of V J Watney1
- Webster, Angus Duncan, arboriculturist1
- Westell, William Percival, naturalist1
- Winkler, Albert, of Berlin1
- Winsor, Justin, US historian1