Juncus compressus

Species of rush

Juncus compressus

Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Monocots
Clade:  | Commelinids
Order:  | Poales
Family:  | Juncaceae
Genus:  | Juncus
Species:  |

J. compressus

Binomial name
Juncus compressus

Jacq., 1762

Juncus compressus is a species of flowering plant in the rush family, Juncaceae.[1] It is native to temperate Eurasia.[1]Juncus compressus is easy to confuse with J. gerardii.

## Description[edit]

About 80 cm in height. Rhizomes are short-creeping or densely branching. There are 1-3 cataphylls, and 1-2 leaves. The leaf blade is flat to slightly channeled, measuring 5–35 cm long and 0.8–2 mm wide. Inflorescences consist of 5-60 flowers. Flowers have six stamens, with filaments measuring 0.5-0.7 mm and anthers 0.6–1 mm. Seed capsules are brown.

## Habitat[edit]

Juncus compressus prefers calcareous wetlands and is often associated with disturbed habitats, such as ditches, roadsides, railroads, and canal banks.[2]

## Invasive species[edit]

The plant is considered an invasive species in the United States of America.[2]

US Spread  State/Province  | First Observed

|

IL  | 1982
IN  | 1987
MI  | 1980
NY  | 1895
WI  | 1974

## References[edit]

1. ^ a b "Juncus compressus Jacq". Plants of the World Online. Retrieved 8 January 2021.
2. ^ a b Laboratory, NOAA Great Lakes Environmental Research. "NOAA National Center for Research on Aquatic Invasive Species (NCRAIS)". nas.er.usgs.gov. Retrieved 2022-06-14.

Taxon identifiers|

* Wikidata: Q160032
* Wikispecies: Juncus compressus
* APDB: 197768
* BioLib: 42191
* BOLD: 288889
* CoL: 3QTLJ
* EoL: 631111
* EPPO: IUNCO
* EUNIS: 186003
* FNA: 222000112
* GBIF: 2701599
* GRIN: 20790
* iNaturalist: 164258
* IPNI: 442830-1
* ISC: 115027
* ITIS: 39260
* IUCN: 164391
* MichiganFlora: 1508
* NAS: 2691
* NatureServe: 2.138026
* NBN: NBNSYS0000002213
* NCBI: 223661
* Open Tree of Life: 1000029
* PFI: 7095
* Plant List: kew-314772
* PLANTS: JUCO
* POWO: urn:lsid:ipni.org:names:442830-1
* Tropicos: 50072533
* VASCAN: 6269
* WisFlora: 3968
* WFO: wfo-0000776221

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