| Classification | Chlorophyta: Characiaceae: Actidesmium | 
| Harvard University Herbaria Barcode(s) | 00550061 | 
| Collector | E. W. Thompson | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Andover | 
| Locality | [no additional data] | 
| Date Collected | 1938-05-** | 
| Project | Macroalgae TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f526e8cb-7acc-4517-8deb-d472778697e7 | 
| Harvard University Herbaria Barcode | 00550061 | 
| Herbarium | FH | 
| Family | Characiaceae | 
| Determination | Actidesmium hookeri Reinsch | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |