| Classification | Chromista: Phaeophyceae: Costariaceae: Agarum | 
| Harvard University Herbaria Barcode(s) | 00964816 | 
| Collector | G. I. Hansen | 
| Country | United States of America | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New England | 
| Locality | [Possible locality: Herring Cove, Maine] | 
| Date Collected | 1976-07-31 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/49576479-10c2-406b-bc3b-2befe634be8c | 
| Harvard University Herbaria Barcode | 00964816 | 
| Herbarium | FH | 
| Family | Costariaceae | 
| Determination | Agarum clathratum Dumortier | 
| Determined by | Joseph deVeer | 
| Date Determined | 2018-04-05 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |