| Classification | Juncaceae: Juncus |
| Barcode(s) | 02466850 |
| Collector | P. F. Zika |
| Collector number | 29086 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Morrow County |
| Locality | S shore of Columbia River reservoir, Lake Umatilla, N of I-84, 2.2 air km SE of E end of Crow Butte Island |
| Georeference | 45.8363, 119.79096 W |
| Date Collected | 2017-08-19 |
| Verbatim Elevation | 80 m |
| Habitat | marshy flats near mud and cobble shoreline, full sun, over basalt |
| Container | USAC Columbia River Plant Survey |
| Frequency | common |
| Remarks | [associated taxa:] with Juncus balticus, Eleocharis acicularis, E. macrostachya, Lindernia dubia, Salix exigua |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1fad3922-89f6-4513-b5da-617b2978159a |
| Harvard University Herbaria Barcode | 02466850 |
| Herbarium | GH |
| Family | Juncaceae |
| Determination | Juncus compressus Jacquin |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |