| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Barcode(s) | 00934402 |
| Collector | I. M. Lamb |
| Collector number | A-477 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County |
| Locality | Cape Ann, Halibut Point |
| Date Collected | 1962-12-08 |
| Habitat | forming soft tufts attached to rocks in upper sublittoral, about 0.5 m below mean low tide level, abundant in one place |
| Project | Macroalgae TCN |
| Remarks | packets contain 35-mm photographic slides |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6d02c5f0-8bc1-457c-9339-e0ced73f8109 |
| Harvard University Herbaria Barcode | 00934402 |
| Herbarium | FH |
| Previous ownership | ex Suffolk University; [ex] Herb. I. Mackenzie Lamb |
| Family | Rhodomelaceae |
| Determination | Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |