Flora of the South Sandwich Islands

This is a list of the flora of the South Sandwich Islands, a group of islands in the subantarctic Atlantic Ocean, part of the British overseas territory of South Georgia and the South Sandwich Islands. The list contains flora in the strict sense; that is, plants only. It comprises a single species of vascular plant, 38 mosses, and 11 liverworts. Unusually, not a single species is known to have naturalised on the islands; all are presumed native.

The islands also contain 5 species of fungus, 41 lichens and 16 diatoms.

Vascular plants

• Deschampsia antarctica

Mosses

• Andreaea gainii
• Andreaea regularis
• Anisothecium hookeri
• Bartramia patens
• Bracythecium austrosalebrosum
• Bracythecium fuegianum
• Bracythecium glaciale
• Bryum argenteum
• Bryum dichotomum
• Bryum orbiculatifolium
• Bryum pseudomicron
• Bryum pseudotriquetrum
• Campylopus introflexus
• Campylopus spiralis
• Ceratodon purpureus
• Dicranella hilariana
• Dicranoweisia brevipes
• Dicranoweisia grimmiacea
• Ditrichum gemmiferum
• Ditrichum heteromallum
• Ditrichum hyalinum
• Ditrichum lewis-smithii
• Hennediella antarctica
• Kiaeria pumila
• Notoligotrichum trichodon
• Pohlia drummondii
• Pohlia nutans
• Polytrichastrum alpinum
• Polytrichum juniperinum
• Polytrichum piliferum
• Polytrichum strictum
• Racomitrium orthotrichaceum
• Racomitrium sudeticum
• Sanionia georgico-uncinata
• Sanionia uncinata
• Schizymenium austrogeorgicum
• Syntrichia filaris
• Syntrichia princeps

Liverworts

• Cephalozia badia
• Cephaloziella varians
• Clasmatocolea rigens
• Cryptochila grandiflora
• Lepidozia chordulifera
• Lophocoela lenta
• Lophozia chordulifera
• Marchantia berteroana
• Pachyglossa dissitifolia
• Riccardia georgiensis
• Triandrophyllum subtrifidum

References

• Convey, P. (2000). "The flora of the South Sandwich Islands, with particular reference to the influence of geothermal heating". Journal of Biogeography 27: 1279–1295. doi:10.1046/j.1365-2699.2000.00512.x. 

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