| Classification | Juncaceae: Juncus |
| Harvard University Herbaria Barcode(s) | 00105957 |
| Type Status | Isolectotype |
| Collector | A. Kellogg |
| Collector number | 10 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | Shaded shores of Bolinas Bay near San Francisco |
| Date Collected | 1866-08-12 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/774b7d8d-832a-41e8-a2e1-fed061235e1d |
| Harvard University Herbaria Barcode | 00105957 |
| Herbarium | GH |
| Family | Juncaceae |
| Type Status | Isolectotype |
| Isolectotype of | Juncus effusus var. brunneus Engelmann |
| Verified by | P. F. Zika |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Juncus effusus var. brunneus Engelmann) Trans. Acad. Sci. St. Louis 1868. 2: 491. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
