| Scientific name | Latitude | Longitude | Year | Month | Basis of record | Dataset | Institution code | Collection code | Locality |
|---|---|---|---|---|---|---|---|---|---|
| Iridaea cordata (Turner) Bory, 1826 | -54.7967 | -65.2667 | 1971 | 4 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Buen Suceso |
| Iridaea cordata (Turner) Bory, 1826 | -54.7933 | -64.6783 | 1971 | 10 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Crossley |
| Phyllophora antarctica A.Gepp & E.Gepp | -64.8214 | -63.5028 | 1970 | 3 | preserved specimen | NMNH Extant Specimen Records | US | Botany | |
| Phyllophora antarctica A.Gepp & E.Gepp | -64.8208 | -63.4875 | 1969 | 2 | preserved specimen | NMNH Extant Specimen Records | US | Botany | |
| Iridaea cordata (Turner) Bory, 1826 | -54.8333 | -64.4467 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Capitan Canepa |
| Iridaea Bory de Saint-Vincent, 1826 | -53.2833 | -68.2167 | 1969 | 4 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia San Sebastian |
| Iridaea cordata (Turner) Bory, 1826 | -54.75 | -63.8883 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia San Juan del Salvamento |
| Iridaea cordata (Turner) Bory, 1826 | -53.5133 | -70.8425 | 1969 | 4 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Peninsula de brunswick, punta santa ana |
| Iridaea cordata (Turner) Bory, 1826 | -54.7933 | -64.6783 | 1971 | 10 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Crossley |
| Iridaea laminarioides Bory, 1828 | -54.8 | -65.2583 | 1971 | 10 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Buen Suceso |
| Iridaea cordata (Turner) Bory, 1826 | -54.75 | -64.1683 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Puerto Basil Hall |
| Iridaea cordata (Turner) Bory, 1826 | -53.5092 | -70.8425 | 1969 | 4 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Peninsula de brunswick, punta carreras |
| Iridaea cordata (Turner) Bory, 1826 | -54.7308 | -64.2267 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Puerto Roca |
| Iridaea cordata (Turner) Bory, 1826 | -54.76 | -64.0433 | 1971 | 10 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Puerto Cook |
| Iridaea cordata (Turner) Bory, 1826 | -54.8333 | -64.4467 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Capitan Canepa |
| Cystoclonium obtusangulum (Hook.f. & Harv.) Kütz. | -64.7819 | -64.0736 | 1973 | 3 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bonaparte Point area, Antarctic Peninsula |
| Iridaea cordata (Turner) Bory, 1826 | -59.82 | -64.4633 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Capitan Canepa |
| Iridaea cordata (Turner) Bory, 1826 | -54.77 | -64.7117 | 1971 | 4 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Ferro le Maire, Bahia Crossley |
| Iridaea cordata (Turner) Bory, 1826 | -54.8333 | -64.4467 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Capitan Canepa |
| Iridaea cordata (Turner) Bory, 1826 | -54.82 | -64.4633 | 1971 | 5 | preserved specimen | NMNH Extant Specimen Records | US | Botany | Bahia Capitan Canepa |