| Classification | Chlorophyta: Ulvophyceae: Ulotrichales: Helicodictyaceae: Protoderma |
| Barcode(s) | 00781960 |
| Collector | Marine Biological Laboratory Botanical Survey of Penikese Island - Marine Algae |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Dukes County: Gosnold: Penikese Island |
| Locality | [no additional data] |
| Date Collected | 1923-07-24 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9eb4f757-3b97-4163-ac99-0a8502333e92 |
| Harvard University Herbaria Barcode | 00781960 |
| Herbarium | FH |
| Previous ownership | [ex] Herbarium of the Marine Biological Laboratory |
| Family | Helicodictyaceae |
| Determination | Protoderma marinum Reinke |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |