| Classification | Lycopodiaceae: Diphasiastrum | 
| Harvard University Herbaria Barcode(s) | 02163844 | 
| Collector | O. P. Phelps | 
| Collector number | 1427 | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Saint Lawrence County | 
| Locality | Clare | 
| Date Collected | 1916-08-12 | 
| Habitat | Deep shaded woods | 
| Container | Flora of Northern New York | 
| Frequency | This form not uncommon in foothills | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/24b8c055-394c-467a-b218-61c5f08449ca | 
| Harvard University Herbaria Barcode | 02163844 | 
| 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 |