| Classification | Chromista: Phaeophyceae: Ralfsiales: Ralfsiaceae: Ralfsia |
| Barcode(s) | 01002877 |
| Collector | G. R. South |
| Collector number | 5672 |
| Country | Canada |
| State | Newfoundland & Labrador |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Newfoundland & Labrador: Newfoundland Island: Bonavista Bay |
| Locality | Newman Sound, Bonavista Bay |
| Georeference | 48° 32' N, 53° 56' W |
| Date Collected | 1970-05-14 |
| Habitat | fully protected area of tidal flats, with greatly fluctuating salinity from freshwater - ca. 26% |
| Substrate | shells, stones, debris |
| Frequency | extremely abundant |
| Project | Macroalgae TCN |
| Remarks | with unilocular sporangia |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/561e8c44-2cc4-4428-8167-cafcba40ceb8 |
| Harvard University Herbaria Barcode | 01002877 |
| Herbarium | FH |
| Previous ownership | ex Phycological Herbarium, Memorial University of Newfoundland, St. Johns |
| Exsiccata | Algae Terrae Novae Fascicle 3 Number 59 |
| Family | Ralfsiaceae |
| Determination | Ralfsia clavata (Carmichael ex Harvey) P. Crouan & H. Crouan |
| Determined by | South, Graham Robin |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |