| Classification | Lycopodiaceae: Diphasiastrum |
| Harvard University Herbaria Barcode(s) | 00216706 |
| Collector | F. C. Seymour |
| Collector number | 1565 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Dukes County: Chilmark |
| Locality | Border of woods, Cross Road |
| Date Collected | 1917-06-20 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0e14b51b-fb36-4f9e-ab5c-2add85211e0c |
| Harvard University Herbaria Barcode | 00216706 |
| Herbarium | GH |
| Family | Lycopodiaceae |
| Determination | Diphasiastrum tristachyum (Pursh) Holub |
| Determination Remarks | Arev: Not a type [is filed under name] [is label name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
