List of bioregions for Usnea cf. antarctica Du Rietz Profile .
| Bioregion | Description | Status within region | Observation Count | Basis of record | Collection |
|---|---|---|---|---|---|
| Alexander I (view region details) | Includes mainland west of George VI Sound | 1 | Specimen | Antarctic Plant Database Collection details | |
| Northern Peninsula (view region details) | Northern tip to Argentine Is, Anvers I, Palmer, Cierva Point, Brabant I, | 1 | Specimen | Antarctic Plant Database Collection details | |
| South Georgia (Islas Georgias del Sur) (view region details) | 1 | Specimen | Antarctic Plant Database Collection details | ||
| South Shetland Islands (view region details) | King George, Robertson, Livingston, Elephant, Deception, Clarence, Penguin | 2 | Specimen | Antarctic Plant Database Collection details | |
| Southern Peninsula (view region details) | Adelaide I, Marguerite Bay, to Terra Firma Is, Charcot I, Horseshoe I, Blaiklock Fjord, Pourquoi-Pas, Ryder Bay, Lagotellerie I | 6 | Specimen | Antarctic Plant Database Collection details | |
| Victoria Land North / Cape Hallet (view region details) | Transantarctic Mts, Victoria Land, Terra Nova Bay, | 2 | Specimen | Antarctic Plant Database Collection details | |
| Windmill Islands (view region details) | Casey, Wilkes | 1 | Specimen | Australian Antarctic Division Herbarium Collection details | |
| Windmill Islands (view region details) | Casey, Wilkes | 1 | Specimen | Antarctic Plant Database Collection details |