| Classification | Ulothrix: Ulotrichaceae |
| Harvard University Herbaria Barcode(s) | 00934754 |
| Collector | I. M. Lamb |
| Collector number | A-959 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Nahant |
| Locality | Black Mine (at end of Summer Street) |
| Date Collected | 1966-04-10 |
| Habitat | on sloping sides of large boulders in intertidal belt (upper part of Fucus-Ascophyllum horizon), forming green patches |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a9f9654e-eec5-4ec3-a6e1-12a48dc3191a |
| Harvard University Herbaria Barcode | 00934754 |
| Herbarium | FH |
| Previous ownership | ex Suffolk University; [ex] Herb. I. Mackenzie Lamb |
| Family | Ulotrichaceae |
| Determination | Ulothrix flacca (Dillwyn) Thuret |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
