Flora of South Georgia
This is a list of the flora of South Georgia, an island in the subantarctic Atlantic Ocean, part of the British overseas territory of South Georgia and the South Sandwich Islands. There are 26 native plant species, and there has been 76 species of introduced plants recorded on the island.
Introduced species tend to be located in the areas of human settlement, such as the former sealing and whaling stations.
| Common name | |
| Blechnum penna-marina | Antarctic hard-fern or small fern |
| Cystopteris fragilis | Brittle bladder-fern or common fragile fern |
| Grammitis poeppigeana | Strap fern |
| Hymenophyllum falklandicum | Filmy fern |
| Lycopodium magellanicum | Magellanic clubmoss |
| Ophioglossum crotalophoroides | Adder's tongue |
| Polystichum mohrioides | Shield-fern |
Introduced species
| Latin name | Common name | Year last seen | Location |
| Aegilops sp. | Goat grass | 1961 | Grytviken |
| Alchemilla monticola | Velvet lady's mantle | 1992 | Husvik |
| Allium schoenoprasum | Chives | 2015 | Leith |
| Alopecurus magellanicus | Marsh foxtail | 1968 | Grytviken |
| Artemisia sp | Mugwort | 1967 | Grytviken |
| Avena fatua | Wild-oat | 1961 | Grytviken |
| Brassica cf. napus | Rape | 1961 | Grytviken |
| Carum carvi | Caraway | 1968 | Grytviken |
| Centella sp. | Centella | 1967 | Grytviken |
| Cerastium arvense | Field mouse-ear | 1970 | Grytviken |
| Daucus carota | Carrot | 1967 | Grytviken |
| Festuca ovina | Sheep's fescue | 1981 | Husvik |
| Festuca perennis | Italian rye-grass | 1961 | Grytviken |
| Hypericum tetrapterum | Square-stemmed St. John's wort | 2005 | Husvik |
| Lactuca sp. | Wild lettuce | 1971 | Grytviken |
| Lamium purpureum | Red dead-nettle | 1969 | King Edward Point |
| Lolium temulentum | Darnel rye-grass | 1961 | Leith |
| Lotus corniculatus | Bird's foot trefoil | 1992 | Husvik |
| Lupinus sp. | Lupin | 1961 | Leith |
| Matricaria discoidea | Pineapple weed | 1979 | King Edward Point |
| Phleum pratense | Timothy grass | 1961 | Husvik |
| Pisum sativum | Pea | 1961 | King Edward point |
| Plantago sp. | Hoary plantain | 1967 | Grytviken |
| Raphanus sp. | Radish | 1968 | Grytviken |
| Rorippa islandica | Northern yellow-cress | 1971 | Grytviken |
| Rumex alpinus | Alpine dock | 1961 | Leith |
| Senecio vulgaris | Common groundsel | 1967 | King Edward Point |
| Sinapis arvensis | Charlock | 1979 | King Edward Point |
| Solanum tuberosum | Potato | 1967 | Grytviken |
| Sonchus sp. | Sow thistle | 1979 | King Edward Point |
| Stellaria graminea | Grass leaf-starwort | 1964 | Husvik |
| Thlaspi arvense | Field penny-cress | 1961 | Husvik |
| Trifolium hybridum | Alsike clover | 1980 | Leith |
| Urtica dioica | Common nettle | 1967 | Leith |
| Urtica urens | Annual nettle | 1961 | Grytviken |