| Classification | Cyperaceae: Carex | 
| Barcode(s) | 00221584 | 
| Collector | F. T. Hubbard & G. S. Torrey | 
| Collector number | 522 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Boxborough | 
| Locality | Boxborough, Valley of the Assabet River, Guggins Brook | 
| Date Collected | 1913-05-30 | 
| Habitat | shallow water edge of brook | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3454f1d8-3d2b-4456-9722-890264a8033d | 
| Harvard University Herbaria Barcode | 00221584 | 
| Herbarium | NEBC | 
| Family | Cyperaceae | 
| Determination |  Carex canescens subsp. disjuncta (Fernald) Toivonen | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |