| Classification | Lycopodiaceae: Diphasiastrum | 
| Harvard University Herbaria Barcode(s) | 02163742 | 
| Collector | M. L. Fernald & H. St. John | 
| Collector number | 6710 | 
| Country | Canada | 
| State | Prince Edward Island | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Prince Edward Island: Prince County (Prince Edward Island): Alberton | 
| Locality | [no additional data] | 
| Date Collected | 1912-07-11 | 
| Habitat | Dry clearings | 
| Container | Flora of Prince Edward Island | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/391d9c9b-67ed-4fc4-ae98-8044b26ad8c2 | 
| Harvard University Herbaria Barcode | 02163742 | 
| Herbarium | GH | 
| Family | Lycopodiaceae | 
| Determination | Diphasiastrum tristachyum (Pursh) Holub | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |