| Classification | Ulothrix: Ulotrichaceae |
| Harvard University Herbaria Barcode(s) | 00299653 |
| Collector | I. M. Lamb |
| Collector number | A-490 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Rockport |
| Locality | Cape Ann, Halibut Point |
| Date Collected | 1963-02-02 |
| Elevation | 0 m |
| Habitat | Forming extensive, effuse, dark green stains onsloping granite rocks in upper intertidal zone |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/674fd3a9-5858-4c10-abee-6afdc7097a84 |
| Harvard University Herbaria Barcode | 00299653 |
| Herbarium | FH |
| 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 |
