| Classification | Rhodophyta: Ceramiaceae: Antithamnieae: Antithamnion |
| Harvard University Herbaria Barcode(s) | 00550867 |
| Collector | J. Macoun |
| Country | Canada |
| State | British Columbia |
| Geography | North America: North America (CA, US, MX) (Region): Canada: British Columbia |
| Locality | [data not captured] |
| Date Collected | 1887-05-** |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4ae0adfd-55da-4ff5-84a3-17dba237ee0b |
| Harvard University Herbaria Barcode | 00550867 |
| Herbarium | FH |
| Family | Ceramiaceae |
| Determination | Antithamnion pylaisaei (Montagne) Kjellman |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
