| Classification | Rhodophyta: Ceramiaceae: Callithamnion |
| Harvard University Herbaria Barcode(s) | 01002981 |
| Collector | [data not captured] |
| Collector number | 13609 |
| Country | Canada |
| State | Newfoundland & Labrador |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Newfoundland & Labrador: Newfoundland Island: Placentia Bay |
| Locality | Jarvis Island, Placentia Bay |
| Georeference | 47° 31' 5" N, 54° 15' 3" E |
| Date Collected | 1974-04-18 |
| Habitat | in the mid shore of a sheltered location, water 2C, air 6C, salinity 31/00 |
| Substrate | attached to rock and Cladophora rupestris |
| Frequency | moderately abundant |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/74f6189f-fda8-4798-84f1-83a9883db07f |
| Harvard University Herbaria Barcode | 01002981 |
| Herbarium | FH |
| Previous ownership | ex Phycological Herbarium, Memorial University of Newfoundland, St. John's |
| Exsiccata | Algae Terrae Novae Fascicle 8 Number 162 |
| Family | Ceramiaceae |
| Determination | Callithamnion hookeri (Dillwyn) Gray |
| Determined by | Price, J. H. |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
