| Classification | Juncaceae: Juncus | 
| Harvard University Herbaria Barcode(s) | 00032006 | 
| Type Status | Type | 
| Collector | W. Boott | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Malden | 
| Locality | Edgeworth | 
| Date Collected | 1853-07-19 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/46574439-b1e1-4544-85e1-3dadc03f860a | 
| Harvard University Herbaria Barcode | 00032006 | 
| Herbarium | NEBC | 
| Family | Juncaceae | 
| Type Status | Type | 
| Type of | Juncus tenuis var. williamsii Fernald | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Juncus tenuis var. williamsii Fernald) Rhodora 1901. 3: 60. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |