| Classification | Rhodophyta: Ceramiaceae: Antithamnieae: Antithamnion |
| Harvard University Herbaria Barcode(s) | 01002728 |
| Collector | N. L. Gardner |
| Collector number | 4030 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Benito County: San Juan |
| Locality | Near Friday Harbor |
| Date Collected | 1917-07-** |
| Substrate | Pterygophora californica |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2bef5c5d-6bf0-4f40-adfd-d236d0a8ba63 |
| Harvard University Herbaria Barcode | 01002728 |
| Herbarium | FH |
| Family | Ceramiaceae |
| Determination | Antithamnion subulatum (Harvey) J. Agardh |
| Determination Remarks | [is filed under name] [is Current name] |
| Subcollection | Algae Distributed from the Herbarium of the University of Califo |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
