| Classification | Juncaceae: Juncus | 
| Harvard University Herbaria Barcode(s) | 00404901 | 
| Collector | L. Ahart | 
| Collector number | 14289 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Butte County | 
| Locality | on the north side of a small wet area, about 100 yards west of the high gravel road, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville | 
| Georeference | 39° 27' 08.7" N, 121° 36' 59.9" W | 
| Date Collected | 2007-07-11 | 
| Verbatim Elevation | 118 (GPS) feet | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/93d71669-00a8-4ac1-b488-81c1adefed65 | 
| Harvard University Herbaria Barcode | 00404901 | 
| Herbarium | GH | 
| Family | Juncaceae | 
| Determination | Juncus effusus subsp. pacificus (Fernald & Wiegand) Piper & Beattie | 
| Determined by | Zika, Peter Francis | 
| Date Determined | 2007 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |