Gattungen assoziierter Organismen: Wagatea [5 Taxa], Wahlenbergia [3 Taxa], Waldsteinia [2 Taxa], Wallenia [85 Taxa], Wallrothiella [9 Taxa], Walsura [1 Taxon], Waltheria [16 Taxa], Wardina [38 Taxa], Warnstorfia [3 Taxa], Warszewiczia [8 Taxa], Wasabia [1 Taxon], Washingtonia [6 Taxa], Watsonia [16 Taxa], Wattakaka [1 Taxon], Webera [7 Taxa], Weddellomyces [10 Taxa], Wedelia [120 Taxa], Weigela [7 Taxa], Weinmannia [21 Taxa], Weissia [62 Taxa], Welwitschia [19 Taxa], Wenderothia [2 Taxa], Wendlandia [10 Taxa], Wentiomyces [3 Taxa], Wettsteinina [2 Taxa], Wiborgia [4 Taxa], Widdringtonia [17 Taxa], Wiesneriomyces [9 Taxa], Wikstroemia [18 Taxa], Willoughbya [1 Taxon], Winterella [1 Taxon], Wissadula [35 Taxa], Wistaria [2 Taxa], Wisteria [38 Taxa], Withania [64 Taxa], Wojnowicia [2 Taxa], Woodfordia [27 Taxa], Woodwardia [1 Taxon], Wormia [1 Taxon], Woronina [8 Taxa], Woronovia [2 Taxa], Wrightia [27 Taxa], Wulffia [25 Taxa]