| Nome Latino | Nome Comune | Famiglia | ||
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Glyceria maxima | Gramigna di palude |
Poaceae |
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| Glycyrrhiza glabra | Liquirizia |
Fabaceae |
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Gompholobium latifolium | Fabaceae |
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| Gomphrena globosa | Gonfrena |
Amaranthaceae |
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Gongora | Orchidaceae |
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Goodia lotifolia | Fabaceae |
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| Graptopetalum bellum | Crassulaceae |
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| Graptopetalum paraguayense | Crassulaceae |
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Grevillea | Proteaceae |
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Grevillea asplenifolia | Proteaceae |
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Grevillea banksii | Proteaceae |
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Grevillea formosa | Proteaceae |
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Grevillea juniperina | Proteaceae |
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Grevillea lanigera | Proteaceae |
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Grevillea robusta | Proteaceae |
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Grevillea rosmarinifolia | Proteaceae |
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Grewia occidentalis | Malvaceae |
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| Greya sutherlandii | Melianthaceae |
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| Grindelia chiloensis | Asteraceae |
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Griselinia littoralis | Cornaceae |
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| Gunnera magellanica | Gunneraceae |
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Gunnera manicata | Rabarbaro gigante |
Gunneraceae |
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| Guzmania ligulata | Bromeliaceae |
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| Guzmania lingulata | Bromeliaceae |
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| Guzmania monostachia | Bromeliaceae |
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