| Classification | Cyperaceae: Carex | 
| Barcode(s) | 00342390 | 
| Collector | E. J. Palmer | 
| Collector number | 40188 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston | 
| Locality | The Arnold Arboretum, near top of Bussey Hill [Jamaica Plain]
 | 
| Date Collected | 1932-06-29 | 
| Habitat | Muddy borders of small pond | 
| Container | Spontaneous Flora of the Arnold Arboretum | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/677cf8c7-4545-43e1-ab98-9f0db4de5ace | 
| Harvard University Herbaria Barcode | 00342390 | 
| Herbarium | A | 
| Family | Cyperaceae | 
| Determination |  Carex lupulina Muhlenberg ex Willdenow | 
| Determined by | Sørensen, Paul Davidsen | 
| Date Determined | 1969-07-** | 
| Determination Remarks |  [current name] | 
| Annotation Text | Immature but probably correct. | 
| Family | Cyperaceae | 
| Determination |  Carex lupulina Muhlenberg ex Willdenow | 
| Determination Remarks |  [label name] | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |