Associated organism genera: 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]