| Classification | Chromista: Phaeophyceae: Laminariaceae: Hedophyllum |
| Harvard University Herbaria Barcode(s) | 00858772 |
| Collector | R. F. Scagel |
| Collector number | 23 |
| Country | United States of America |
| State | Washington |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Washington: San Juan County |
| Locality | South of Deadman Bay, San Juan Island |
| Georeference | 48° 37' N, 123° 9' W |
| Date Collected | 1955-07-10 |
| Habitat | lower intertidal zone |
| Substrate | on rocks |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/50d5a1e0-fc7e-4aca-8b09-fc9c6bdeb6dc |
| Harvard University Herbaria Barcode | 00858772 |
| Herbarium | FH |
| Exsiccata | Plantae Exsiccatae ab Universitate Britannico-Columbiana Editae [Fascicles 1 and 2] Fascicle I Number 16 |
| Family | Laminariaceae |
| Determination | Hedophyllum sessile (C. Agardh) Setchell |
| Determined by | Scagel, Robert F. |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |