| Classification | Cyperaceae: Carex | 
| Harvard University Herbaria Barcode(s) | 00299573 | 
| Collector | M. L. Fernald & B. H. Long | 
| Collector number | 18122 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Barnstable County: Chatham | 
| Locality | Red River | 
| Date Collected | 1919-08-08 | 
| Habitat | Springy border of salt marsh | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/32869ecc-9bcf-4af5-8aa5-564fdd65d72f | 
| Harvard University Herbaria Barcode | 00299573 | 
| Herbarium | NEBC | 
| Family | Cyperaceae | 
| Determination | Carex laevivaginata (Kükenthal) Mackenzie | 
| Determination Remarks | [filed under] [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |