| Classification | Cyperaceae: Scirpus | 
| Harvard University Herbaria Barcode(s) | 00028025 | 
| Type Status | Holotype | 
| Collector | M. L. Fernald & B. H. Long | 
| Collector number | 23398 | 
| Country | Canada | 
| State | Nova Scotia | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Nova Scotia: Shelburne County (Nova Scotia) | 
| Locality | Border of salt marsh, Jordan Falls | 
| Date Collected | 1921-09-09 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0e4d2410-01a2-4f9a-8fa4-573bad7df18d | 
| Harvard University Herbaria Barcode | 00028025 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Type Status | Holotype | 
| Holotype of | Scirpus maritimus f. agonus Fernald | 
| Verified by | A. E. Schuyler | 
| Taxon Reference | (for  Scirpus maritimus f. agonus Fernald) Rhodora 1943. 45: 288. | 
| Family | Cyperaceae | 
| Determination | Scirpus maritimus Linnaeus | 
| Determined by | A. A. Beetle | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |