| Classification | Cyperaceae: Carex | 
| Barcode(s) | 00521964 | 
| Collector | W. T. Kittredge & B. T. Hamlin | 
| Collector number | 1706 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Medford | 
| Locality | Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, Medford Dike, south end of quarry along Skyline Trail, Google Earth 42.43370, 71.10575 | 
| Date Collected | 2012-05-25 | 
| Elevation | 50 m | 
| Habitat | Dry Rich Acidic Oak Forest, gentle south-facing slope, full shade, gritty rich black loam, gabbro bedrock | 
| Container | Plants of Massachusetts | 
| Remarks | Thirteen clumps in a 5 sq. m. area. Associates:Acer saccharum, Brachyelytrum aristosum,Carex rosea, Carya cordiformis, Circaea canadensis,Impatiens capensis,Maianthemum racemosum, Ostrya virginiana, Toxicodendron radicans | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bbf28342-a41f-4e40-a885-2aa20a122488 | 
| Harvard University Herbaria Barcode | 00521964 | 
| Herbarium | NEBC | 
| Family | Cyperaceae | 
| Determination |  Carex laxiculmis Schweinitz | 
| Determination Remarks |  [filed under] [label name] [current name] | 
| Annotation Text | var. laxiculmis | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |