| Classification | Juncaceae: Juncus |
| Harvard University Herbaria Barcode(s) | 00105958 |
| Type Status | Isosyntype |
| Collector | A. Kellogg |
| Collector number | 11 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | Large bogs in wet sandy soil on Lobos Creek, near San Francisco |
| Date Collected | 1866-08-04 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/564c973a-0f74-4c64-acfa-dd7368dea2a6 |
| Harvard University Herbaria Barcode | 00105958 |
| Herbarium | GH |
| Family | Juncaceae |
| Type Status | Isosyntype |
| Isosyntype 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 |
