| Classification | Rhodophyta: Pterosiphonieae: Pterosiphonia | 
| Harvard University Herbaria Barcode(s) | 01002798 | 
| Collector | N. L. Gardner | 
| Collector number | 6297 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Marin County: Sausalito | 
| Locality | Near Sausalito | 
| Date Collected | 1927-07-** | 
| Project | Macroalgae TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5c14faa4-9faa-4259-928d-9ea08838cb2b | 
| Harvard University Herbaria Barcode | 01002798 | 
| Herbarium | FH | 
| Family | Pterosiphonieae | 
| Determination | Pterosiphonia robusta var. inermis N. L. Gardner | 
| Determination Remarks | [filed under] [current name] | 
| Subcollection | Algae Distributed from the Herbarium of the University of Califo | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |