| Classification | Juncaceae: Juncus | 
| Barcode(s) | 00029631 | 
| Collector | H. N. Bolander | 
| Collector number | 151 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California | 
| Date Collected |  [186?] | 
| Remarks | Holotype is Kellogg 10 (MO) according to Tropicos, NY has Kellogg 10 & 11 as Syntypes. Engelmann doesn't cite any specific collectors in the protologue only giving the locality as "salt marshes near San Francisco". | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f39b77fb-ff73-4fa0-8ab1-77a8c9b29a1d | 
| Harvard University Herbaria Barcode | 00029631 | 
| Herbarium | GH | 
| Family | Juncaceae | 
| Determination |  Juncus effusus var. brunneus Engelmann | 
| Determination Remarks | Arev: Not a type [filed under] [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |