| Classification | Juncaceae: Juncus | 
| Harvard University Herbaria Barcode(s) | 00339868 | 
| Collector | W. P. Rich | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Melrose | 
| Locality | South of Black Rock. Middlesex Fells Reservation | 
| Date Collected | 1894-06-18 | 
| Habitat | Swamp | 
| Container | Metropolitan Park Flora | 
| Project | Metropolitan Park Flora | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4ab0499a-6c38-44d0-affc-68f1a6a8c338 | 
| Harvard University Herbaria Barcode | 00339868 | 
| Herbarium | NEBC | 
| Family | Juncaceae | 
| Determination | Juncus acuminatus Michaux | 
| Determination Remarks | [filed under] [label name] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |