| Classification | Phaeosaccionaceae: Phaeosaccion |
| Barcode(s) | 00941011 |
| Collector | I. M. Lamb |
| Collector number | A-1018 |
| 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 Rock Beach |
| Date Collected | 1968-03-23 |
| Habitat | on Zostera growing on muddy bottom in shallow water offshore |
| Substrate | epiphytic on Zostera |
| Project | Macroalgae TCN |
| Remarks | abundant |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/32e5e2b7-75e4-4a8d-b4a9-c4c77b0f8dc5 |
| Harvard University Herbaria Barcode | 00941011 |
| Herbarium | FH |
| Previous ownership | ex Herb. I. Mackenzie Lamb; ex Suffolk University |
| Family | Phaeosaccionaceae |
| Determination | Phaeosaccion collinsii Farlow |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | Notes on living material: The original thallus-cells divide into 2 or 4 cells with thinner walls; each of these cells produces a single flagellated swarmer with a single parietal chromatophore. The swarmers seem to have a single long flexuose flagellum inserted laterally; [continued on label] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
