| Galium gracilens (A. Gray) Makino | MAKS1990 |
| Galium kamtschaticum Steller | MAKS1993 |
| Galium kinuta Nakai et Hara | MAKS1995 |
| Galium trachyspermum A. Gray | MAKS1989 |
| Galium verum L. var. ? | MAKS1626, MAKS1994 |
| Gardenia jasminoides Ellis | MAKS2003 |
| Gardenia jasminoides Ellis var. radicans (Thunb.) Makino | MAKS2002 |
| Gardneria multiflora Makino | MAKS1146 |
| Gardneria nutans Siebold et Zucc. | MAKS1088, MAKS1145 |
| Gentiana scabra Bunge var. buergeri (Miq.) Maxim. | MAKS1086 |
| Gentiana thunbergii (G.Don) Griseb. | MAKS1087 |
| Geranium nepalense Sweet subsp. thunbergii (Siebold et Zucc.) Hara | MAKS1235 |
| Gerbera hybrida Hort. | MAKS1293 |
| Geum aleppicum Jacq. | MAKS1913 |
| Geum japonicum Thunb. | MAKS0260, MAKS0554 |
| Ginkgo biloba L. | MAKS1782, MAKS1818 |
| Glaucidium palmatum Siebold et Zucc. | MAKS0223, MAKS0224 |
| Glechoma hederacea L. subsp. grandis (A. Gray) Hara | MAKS2230, MAKS2231, MAKS2236 |
| Glehnia littoralis Fr. Schm. ex Miq. | MAKS2056 |
| Glochidion obavatum Siebold et Zucc. | MAKS0630, MAKS1534, MAKS1535 |
| Gnaphalium affine D. Don. | MAKS0948, MAKS0949, MAKS1345 |
| Gnaphalium hypoleucum DC. | MAKS1346 |
| Gnaphalium japonicum Thunb. | MAKS1334 |
| Gomphrena globosa L. | MAKS1434, MAKS1435 |
| Gonostegia hirta (Blume) Miq. | MAKS0712 |
| Goodyera schlechtendaliana Reichb. fil. | MAKS0754 |
| Gossypium arborenum L. var. indicum (Lamarck) Roberty | MAKS1158 |
| Gynostemma pentaphylla (Thunb.) Makino | MAKS1201 |
| Gynura japonica Juel. | MAKS1313 |
