| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Harvard University Herbaria Barcode(s) | 00934388 |
| Collector | I. M. Lamb & M. H. Zimmermann |
| Collector number | A-979 |
| 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 | mud flats at Black Rock Beach |
| Date Collected | 1966-06-11 |
| Habitat | embedded in muddy sand in very shallow water at low tide, attached to a fragment of some unidentifiable alga |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/54a3f6da-ce9b-4d29-9279-5deb14d4ee1c |
| Harvard University Herbaria Barcode | 00934388 |
| Herbarium | FH |
| Previous ownership | ex Suffolk University; [ex] Herb. I. Mackenzie Lamb |
| Family | Rhodomelaceae |
| Determination | Polysiphonia sp. |
| Determination Remarks | [0] [is label name] |
| Family | Rhodomelaceae |
| Determination | Polysiphonia flexicaulis (Harvey) Collins |
| Determined by | Taylor, William Randolph |
| Date Determined | 1966-07-** |
| Determination Remarks | [is filed under name] [is Current name] |
| Annotation Text | "He was of the opinion that it is probably a stunted and atypical condition of Polysiphonia flexicaulis (Harv.) Collins" |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Description | [includes packets containing 35-mm photographic slides] |
