| Classification | Rhodophyta: Rhodomelaceae: Melanothamnus |
| Classification 1 | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Harvard University Herbaria Barcode(s) | 00976500 |
| Collector | [no data available] |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Plymouth County: Mattapoisett |
| Locality | Charles Island |
| Date Collected | 1905-05-30 |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ec9cb624-4ff8-457a-ad70-ee26af619aba |
| Harvard University Herbaria Barcode | 00976500 |
| Herbarium | FH |
| Previous ownership | ex Boston Society of Natural History |
| Family | Rhodomelaceae |
| Determination | Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs |
| Determination Remarks | [filed under] [current name] |
| Family | Rhodomelaceae |
| Determination | Polysiphonia harveyi Bailey |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
