Géneros de organismos asociados: Gadellia [1 taxon], Gadua [1 taxon], Gaertnera [2 taxones], Gagea [24 taxones], Gahnia [15 taxones], Gaillardia [17 taxones], Galactia [76 taxones], Galactites [1 taxon], Galactomyces [9 taxones], Galanthus [3 taxones], Galatella [42 taxones], Galearia [1 taxon], Galega [22 taxones], Galenia [4 taxones], Galeobdolon [51 taxones], Galeopsis [145 taxones], Galilea [1 taxon], Galinsoga [25 taxones], Galipea [1 taxon], Galium [423 taxones], Galleria [8 taxones], Gallesia [8 taxones], Gallina [1 taxon], Gallus [98 taxones], Galopina [18 taxones], Galphimia [5 taxones], Gamolepis [1 taxon], Ganoderma [18 taxones], Ganophyllum [1 taxon], Garcilassa [3 taxones], Garcinia [35 taxones], Gardenia [107 taxones], Gardneria [3 taxones], Gardoquia [8 taxones], Gargara [1 taxon], Garhadiolus [3 taxones], Garnotia [2 taxones], Garrya [7 taxones], Garuga [16 taxones], Gastrococos [10 taxones], Gaudinia [5 taxones], Gaultheria [42 taxones], Gaussia [3 taxones], Gavilea [1 taxon], Gaya [13 taxones], Gaylussacia [2 taxones], Gayoïdes [2 taxones], Gazania [3 taxones], Gazella [2 taxones], Geanthus [1 taxon], Geasteropsis [2 taxones], Geastrumia [4 taxones], Geissanthus [1 taxon], Geissorhiza [5 taxones], Gelatinopsis [3 taxones], Geltingia [3 taxones], Gendarussa [1 taxon], Geniostoma [1 taxon], Genipa [35 taxones], Genista [120 taxones], Gentiana [90 taxones], Geoffroea [11 taxones], Geoglossum [1 taxon], Geomys [1 taxon], Geonoma [8 taxones], Geophila [1 taxon], Geopora [2 taxones], Geotrichum [2 taxones], Geotrupes [1 taxon], Geranium [417 taxones], Gerardia [4 taxones], Gerascanthus [26 taxones], Gerbera [187 taxones], Gerronema [13 taxones], Gesneria [44 taxones], Geum [123 taxones], Gevuina [21 taxones], Gibbera [1 taxon], Gibberella [110 taxones], Gibberidea [1 taxon], Gilia [4 taxones], Gilliesia [5 taxones], Gilmania [38 taxones], Ginkgo [45 taxones], Ginoria [2 taxones], Girardinia [7 taxones], Gironniera [2 taxones], Gisekia [32 taxones], Githago [1 taxon], Givotia [1 taxon], Gladiolus [203 taxones], Glaphyracris [1 taxon], Glaphyropteridopsis [1 taxon], Glaucium [13 taxones], Glaux [1 taxon], Glechoma [125 taxones], Gleditschia [33 taxones], Gleditsia [129 taxones], Gleichenia [32 taxones], Gliocladium [26 taxones], Gliricidia [198 taxones], Glis [1 taxon], Globba [1 taxon], Globularia [4 taxones], Glochidion [47 taxones], Glochidium [3 taxones], Gloeocephalus [3 taxones], Gloeophyllum [3 taxones], Gloeosporium [1 taxon], Gloeotrochila [1 taxon], Gloiocephala [1 taxon], Glomerella [151 taxones], Glomeropitcairnia [1 taxon], Glomus [16 taxones], Gloniopsis [2 taxones], Gloriosa [9 taxones], Glossina [2 taxones], Glyceria [90 taxones], Glycine [632 taxones], Glycosmis [35 taxones], Glycyrhiza [1 taxon], Glycyrrhiza [105 taxones], Glyphaea [6 taxones], Glyphis [5 taxones], Gmelina [37 taxones], Gnamptogenys [1 taxon], Gnaphalium [24 taxones], Gnetum [12 taxones], Gnidia [2 taxones], Gnomonia [26 taxones], Gnomoniella [3 taxones], Gochnatia [7 taxones], Godetia [3 taxones], Golovinomyces [186 taxones], Gomphandra [1 taxon], Gomphidius [1 taxon], Gomphostemma [1 taxon], Gomphostigma [2 taxones], Gomphrena [53 taxones], Gongora [1 taxon], Gongronella [1 taxon], Goniocaulon [2 taxones], Goniolimon [11 taxones], Gonioma [52 taxones], Goniopteris [2 taxones], Gonipterus [1 taxon], Gonolobus [17 taxones], Gonytrichum [2 taxones], Gonzalagunia [28 taxones], Gonzalea [1 taxon], Goodenia [1 taxon], Goodyera [1 taxon], Gordonia [16 taxones], Gossypium [1132 taxones], Gouania [177 taxones], Gouinia [2 taxones], Gouldia [28 taxones], Goupia [2 taxones], Gracillaria [1 taxon], Gradua [1 taxon], Graellsia [1 taxon], Graffenrieda [9 taxones], Grallomyces [54 taxones], Graminella [3 taxones], Grammitis [9 taxones], Grandigallia [1 taxon], Graphina [1 taxon], Graphis [38 taxones], Graphium [7 taxones], Graphyllium [2 taxones], Graptophyllum [4 taxones], Gratiola [2 taxones], Grevillea [65 taxones], Grewia [146 taxones], Greyia [4 taxones], Grimmia [2 taxones], Grindelia [13 taxones], Griselinia [4 taxones], Grislea [2 taxones], Grossularia [22 taxones], Grumilea [5 taxones], Gryllotalpa [1 taxon], Gryllus [1 taxon], Guadua [9 taxones], Guaiacum [31 taxones], Guapira [4 taxones], Guardiola [1 taxon], Guarea [382 taxones], Guatteria [24 taxones], Guazuma [188 taxones], Guedea [1 taxon], Guettarda [62 taxones], Guignardia [35 taxones], Guilielma [4 taxones], Guioa [6 taxones], Guisa [1 taxon], Guizotia [25 taxones], Gundelia [2 taxones], Gunnera [36 taxones], Gurania [15 taxones], Gustavia [42 taxones], Gutenbergia [1 taxon], Guzmania [6 taxones], Gyalectidium [69 taxones], Gymnadenia [2 taxones], Gymnanthes [52 taxones], Gymnema [12 taxones], Gymnocarpium [3 taxones], Gymnocladus [3 taxones], Gymnolomia [10 taxones], Gymnopetalum [2 taxones], Gymnopogon [3 taxones], Gymnopogonium [1 taxon], Gymnosporangium [17 taxones], Gymnosporia [217 taxones], Gymnosporium [2 taxones], Gymnoxyphium [6 taxones], Gynandropsis [26 taxones], Gynerium [25 taxones], Gynomitrium [1 taxon], Gynoxys [49 taxones], Gynura [1 taxon], Gyoerffyella [3 taxones], Gypsophila [104 taxones], Gyranthera [9 taxones], Gyrinus [2 taxones], Gyrocarpus [4 taxones], Gyrophanopsis [1 taxon], Gyrothrix [73 taxones]