| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Classification 1 | Rhodophyta: Rhodomelaceae: Melanothamnus |
| Harvard University Herbaria Barcode(s) | 00976501 |
| Collector | I. Holden |
| Country | United States of America |
| State | Connecticut |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Connecticut: New Haven County: Milford |
| Locality | Charles Island near Milford |
| Date Collected | 1901-09-22 |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f90cdd51-0fed-4f00-889a-2acaba0d6682 |
| Harvard University Herbaria Barcode | 00976501 |
| Herbarium | FH |
| Previous ownership | ex Boston Society of Natural History |
| Family | Rhodomelaceae |
| Determination | Polysiphonia harveyi var. arietina Harvey |
| Determination Remarks | [0] [is label name] |
| Family | Rhodomelaceae |
| Determination | Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs |
| Determined by | Nunes, José Marcos de Castro |
| Date Determined | 2018-08-01 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
