| Classification | Rhodophyta: Cystocloniaceae: Cystoclonium | 
| Harvard University Herbaria Barcode(s) | 00945617 | 
| Collector | I. M. Lamb | 
| Collector number | A-470 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Cape Ann | 
| Locality | Halibut Point | 
| Date Collected | 1962-08-04 | 
| Verbatim Elevation | below mean low tide level | 
| Habitat | offshore about 1m. | 
| Substrate | rock | 
| Project | Macroalgae TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7146b274-549d-4bb9-bd63-1361b407afef | 
| Harvard University Herbaria Barcode | 00945617 | 
| Herbarium | FH | 
| Previous ownership | ex Herb. I. Mackenzie Lamb; ex Suffolk University | 
| Family | Cystocloniaceae | 
| Determination | Cystoclonium purpurascens (Hudson) Kützing | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |