Gattungen assoziierter Organismen: Kadsura [1 Taxon], Kadua [7 Taxa], Kaempferia [5 Taxa], Kageneckia [3 Taxa], Kalanchoe [32 Taxa], Kalimeris [1 Taxon], Kallstroemia [2 Taxa], Kalmia [3 Taxa], Kalmusia [2 Taxa], Kalopanax [2 Taxa], Kalotermes [1 Taxon], Kandelia [1 Taxon], Karelinia [1 Taxon], Karlingia [4 Taxa], Karschia [1 Taxon], Karsteniomyces [2 Taxa], Kaschgaria [1 Taxon], Kedrostis [2 Taxa], Keetia [1 Taxon], Keissleriella [2 Taxa], Kellymyia [1 Taxon], Kendrickomyces [1 Taxon], Kentia [5 Taxa], Kentranthus [1 Taxon], Keratosphaera [1 Taxon], Kernia [2 Taxa], Kerria [18 Taxa], Kerria [1 Taxon], Khaya [42 Taxa], Khuskia [20 Taxa], Kibara [4 Taxa], Kickxia [2 Taxa], Kielmeyera [8 Taxa], Kigelia [17 Taxa], Kiggelaria [24 Taxa], Kilifia [5 Taxa], Kilikiostroma [7 Taxa], Kionochaeta [7 Taxa], Kirganelia [10 Taxa], Kirschsteiniothelia [5 Taxa], Kitaibelia [2 Taxa], Kleinia [3 Taxa], Kmetiopsis [20 Taxa], Knautia [88 Taxa], Kneiffia [1 Taxon], Knema [8 Taxa], Knightia [5 Taxa], Kniphofia [9 Taxa], Knowltonia [6 Taxa], Knoxia [1 Taxon], Kobresia [31 Taxa], Kochia [81 Taxa], Koeleria [37 Taxa], Koelpinia [1 Taxon], Koelreuteria [65 Taxa], Koleroga [2 Taxa], Kolkwitzia [2 Taxa], Koompassia [77 Taxa], Koorchaloma [1 Taxon], Kopsia [2 Taxa], Kordyana [2 Taxa], Korthalsia [8 Taxa], Kosteletzkya [1 Taxon], Kotochalia [17 Taxa], Kotschya [2 Taxa], Krascheninnikovia [2 Taxa], Kraussia [33 Taxa], Kretzschmaria [15 Taxa], Kretzschmariella [4 Taxa], Kriegeriella [1 Taxon], Krombholzia [1 Taxon], Krugiodendron [15 Taxa], Kuehneola [2 Taxa], Kummerowia [2 Taxa], Kunda [1 Taxon], Kundmannia [2 Taxa], Kuzuhaea [1 Taxon], Kydia [15 Taxa], Kyllinga [25 Taxa]