| Classification | Juncaceae: Juncus | 
| Barcode(s) | 00260646 | 
| Type Status | Isolectotype | 
| Collector | W. Oakes | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Ipswich | 
| Habitat | In arenosis siccis et maritimus subhumidis | 
| Remarks | [date 1842, fide Snogerup, Preslia 74: 256. 2002] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/10e757b7-55f5-4719-b9d4-5c09a14b0ed3 | 
| Harvard University Herbaria Barcode | 00260646 | 
| Herbarium | GH | 
| Family | Juncaceae | 
| Type Status |  Isolectotype | 
| Isolectotype of |  Juncus balticus var. littoralis Engelmann | 
| Verified by | W. T. Kittredge | 
| Date Determined | 2007 | 
| Determination Remarks | [Lectotype: MO] | 
| Taxon Reference | (for  Juncus balticus var. littoralis Engelmann) Trans. Acad. Sci. St. Louis 1866. 2: 442. | 
| Family | Juncaceae | 
| Determination |  Juncus balticus subsp. littoralis (Engelmann) Snogerup | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |