| Araliaceae | ** |
Gastonia aculeata
| Thouars ex Decne. & Planch. | Rev. Hort. (Paris) 16: 109 | 1854 |
| Araliaceae | |
Gastonia amplifolia
| (Baker) Vig. | Ann. Sci. Nat., Bot., sér. 9, 4: 139 | 1906 |
| Araliaceae | |
Gastonia boridiana
| Harms | Bot. Jahrb. Syst. 69: 282 | 1938 |
| Araliaceae | |
Gastonia candollei
| Seem. | J. Bot. 2: 246 | 1864 |
| Araliaceae | |
Gastonia crassa
| F. Friedmann | Bull. Mus. Natl. Hist. Nat., B, Adansonia, sér. 4 8: 246 | 1987 |
| Araliaceae | |
Gastonia cutispongia
| Lam. | Encycl. 2(2): 610–611 | 1788 |
| Araliaceae | |
Gastonia dentata
| Linden ex Seem. | J. Bot. 2: 246 | 1864 |
| Araliaceae | |
Gastonia duplicata
| Thouars ex Baill. | Adansonia 12: 166 | 1878 |
| Araliaceae | |
Gastonia elegans
| (W. Bull) Frodin | World Checkl. Bibliogr. Araliaceae 166 | 2003 |
| Araliaceae | |
Gastonia emirnensis
| Baker | J. Linn. Soc., Bot. 21: 350 | 1884 |
| Araliaceae | |
Gastonia eupteronoides
| Teijsm. & Binn. | Natuurk. Tijdschr. Ned.-Indië 25: 416 | 1863 |
| Araliaceae | |
Gastonia heptapleurum
| Baill. | Adansonia 12: 166 | 1878 |
| Araliaceae | |
Gastonia lionnetii
| F. Friedmann | Bull. Mus. Natl. Hist. Nat., B, Adansonia, sér. 4 8: 253 | 1987 |
| Araliaceae | |
Gastonia longifolia
| Seem. | J. Bot. 2: 246 | 1864 |
| Araliaceae | |
Gastonia mauritiana
| Marais | Kew Bull. 39(4): 809, f. 1A–D | 1984 |
| Araliaceae | * |
Gastonia nalugu
| Lam. | Encycl. 2: 611 | 1788 |
| Araliaceae | ** |
Gastonia neraudiana
| Rich. ex Drake | J. Bot. (Morot) 11: 62 | 1897 |
| Araliaceae | |
Gastonia oahuensis
| A. Gray | U.S. Expl. Exped., Phan. 726 | 1854 |
| Araliaceae | |
Gastonia palmata
| Roxb. ex Lindl. | Bot. Reg. 11: , pl. 894 | 1825 |
| Araliaceae | |
Gastonia paniculata
| (DC.) D. Dietr. | Syn. Pl. 2: 1286 | 1840 |
| Araliaceae | |
Gastonia papuana
| Miq. | Ann. Mus. Bot. Lugduno-Batavi 1: 5 | 1863 |
| Araliaceae | ** |
Gastonia racemosa
| Rich. ex Drake | J. Bot. (Morot) 11: 63 | 1897 |
| Araliaceae | |
Gastonia repanda
| (DC.) D. Dietr. | Syn. Pl. 2: 1628 | 1840 |
| Araliaceae | |
Gastonia rodriguesiana
| Marais | Kew Bull. 39(4): 809–811, f. 1E–H | 1984 |
| Araliaceae | |
Gastonia sasuroides
| Roxb. | Fl. Ind. 2: 408 | 1832 |
| Araliaceae | ** |
Gastonia sasuroides
| Roxb. | Hort. Bengal. 90 | 1814 |
| Araliaceae | |
Gastonia saururoides
| (DC.) Roxb. | Fl. Ind. 2: 408 | 1832 |
| Araliaceae | ** |
Gastonia sausuroides
| Roep. ex Seem. | Rev. Hed. 103 | 1868 |
| Araliaceae | |
Gastonia sechellarum
| (Baker) Harms | Nat. Pflanzenfam. 3(8): 43 | 1894 |
| Araliaceae | |
Gastonia serratifolia
| (Miq.) Philipson | Fl. Malesiana, Ser. 1, Spermatoph. 9: 68 | 1979 |
| Araliaceae | |
Gastonia simplicifolia
| Zipp. ex Miq. | Ann. Mus. Bot. Lugduno-Batavi 1: 6 | 1863 |
| Araliaceae | |
Gastonia spectabilis
| (Harms) Philipson | Blumea 18: 494 | 1970 |
| Araliaceae | |
Gastonia spongiosa
| Pers. | Syn. Pl. 2: 23 | 1807 [1806] |
| Araliaceae | |
Gastonia stuhlmannii
| (Harms) Harms | Bot. Jahrb. Syst. 53: 360 | 1915 |
| Araliaceae | |
Gastonia sundaica
| (Miq.) Baill. | Hist. Pl. 7: 761 | 1879 |
| Araliaceae | |
Gastonia winkleri
| Harms | Repert. Spec. Nov. Regni Veg. 15: 20 | 1917 |