Juncus stygius

Juncus stygius, called the bog rush and moor rush, is a species of flowering plant in the genus Juncus, with a high circumboreal distribution, never reaching further south than Switzerland, Korea and Upstate New York.^[2][3]

Juncus stygius
In a dark mire in Siberia
Botanical illustration
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Juncaceae
Genus:	Juncus
Species:	J. stygius
Binomial name
Juncus stygius L.[1]
Synonyms[2]
Juncus stygius var. americanus Buchenau Scirpus stygius (L.) Ferber ex J.Fleisch.

Subtaxa

The following subspecies are currently accepted:^[2]

• Juncus stygius subsp. americanus (Buchenau) Hultén – Korea, Pacific coastal Russia, Alaska, Canada, United States
• Juncus stygius subsp. stygius – Eurasia less Korea and Pacific coastal Russia