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- Warren H. Wagner
- Göran Wahlenberg
- George Arnott Walker-Arnott
- Nathaniel Wallich
- Gustav Wallis
- E. F. Warburg
- Eugenius Warming
- Sereno Watson
- William Watson
- Heinrich Wawra von Fernsee
- Philip Barker Webb
- Christian Ehrenfried Weigel
- Friedrich Welwitsch
- Carl Ludwig Willdenow
- Ernest Henry Wilson
- William Withering
- Anthony Hurt Wolley-Dod
- John Medley Wood
- Charles Wright
- Franz Xavier von Wulfen
- Heinrich Wullschlägel
- Heinrich Wydler
Read more about this topic: List Of Botanists