| Classification | Lycopodiaceae: Diphasiastrum |
| Harvard University Herbaria Barcode(s) | 00139505 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Ashby |
| Locality | Ashby |
| Date Collected | 1914-05-30 |
| Elevation | 600 - 800 m |
| Verbatim Elevation | 600-800 feet |
| Habitat | Dry pasture |
| Container | Flora of North Central Massachusetts |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5dec1ac9-689d-433e-98f7-2fb60f99ada7 |
| Harvard University Herbaria Barcode | 00139505 |
| Herbarium | NEBC |
| 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 |
