| Classification | Fucaceae: Fucus | 
| Harvard University Herbaria Barcode(s) | 00290611 | 
| Type Status | Possible Syntype | 
| Collector |  | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Barnstable County: Eastham | 
| Locality | Eastham, Mass. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a9e88769-256a-4b11-9ea0-165770b17a4b | 
| Harvard University Herbaria Barcode | 00290611 | 
| Herbarium | FH | 
| Previous ownership | Herbarium of G. K. Merrill | 
| Family | Fucaceae | 
| Type Status | Possible Syntype | 
| Possible Syntype of | Fucus vesiculosus f. gracillimus Collins | 
| Determination Remarks | [filed under] [current name] | 
| Taxon Reference | (for  Fucus vesiculosus f. gracillimus Collins) Rhodora 1900. 2: 14. | 
| Preparation Type | Packet | 
| Preparation Method | Dried |