Charles Gaudichaud-Beaupré was a French botanist.
George Don was a Scottish botanist and plant collector.
Jaques Étienne Gay was a Swiss-French botanist, civil servant, collector and taxonomist. His name is associated with plants in standardised botanical nomenclature, e.g. Crocus sieberi J.Gay. He was the most famous of the students of botanist Jean François Aimée Gaudin with whom he began collecting plants at the age of 14. He was married to Rosalie Nillion.
Gereaua is a monotypic genus of flowering plants belonging to the family Sapindaceae. It only contains one species, Gereaua perrieri(Capuron) Buerki & Callm.
Aguiaria is a monotypic genus of flowering plants belonging to the family Malvaceae.
Gilesia is a monotypic genus of flowering plants belonging to the family Malvaceae. It is also in the Byttnerioideae subfamily and it only contains one species, Gilesia binifloraF.Muell. It is commonly known as the 'western tar-vine'.
Goodallia is a monotypic genus of flowering plants belonging to the family Thymelaeaceae. It just contains one species, Goodallia guianensisBenth.
Gloxinella is a monotypic genus of flowering plants belonging to the family Gesneriaceae. It only contains one species, Gloxinella lindeniana(Regel) Roalson & Boggan
Dinklageodoxa is a monotypic genus of flowering plant belonging to the family Bignoniaceae. It contains just 1 species, Dinklageodoxa scandensHeine & Sandwith.
Lueheopsis is a genus of flowering plants belonging to the family Malvaceae. It is also in the subfamily of Grewioideae.
Doerpfeldia is a monotypic genus of flowering plants belonging to the family Rhamnaceae. The only species is Doerpfeldia cubensis.
Eokochia is a monotypic genus of flowering plants belonging to the family Amaranthaceae. The only species is Eokochia saxicola.
Espadaea is a monotypic genus of flowering plants belonging to the family Solanaceae. The only species is Espadaea amoena.
Fonkia is a monotypic genus of flowering plants belonging to the family Plantaginaceae. The only species is Fonkia uliginosa.
Ghikaea is a monotypic genus of flowering plants belonging to the family Orobanchaceae. The only species is Ghikaea speciosa.
Grazielanthus is a monotypic genus of flowering plants belonging to the family Monimiaceae. The only species is Grazielanthus arkeocarpus.
