Carex tiogana is a rare species of sedge

Cyperaceae

Cyperaceae are a family of monocotyledonous graminoid flowering plants known as sedges, which superficially resemble grasses or rushes. The family is large, with some 5,500 species described in about 109 genera. These species are widely distributed, with the centers of diversity for the group...

 known by the common name Tioga sedge. It is endemic to California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, where it is known only from the Sierra Nevada in Mono County

Mono County, California

Mono County is a county located in the east central portion of the U.S. state of California, to the east of the Sierra Nevada between Yosemite National Park and Nevada. As of the 2010 census, the population was 14,202, up from 12,853 at the 2000 census...

. There are four small occurrences.

This sedge grows in clumps of stems up to 75 mm (3 in) long. The narrow, rough-edged leaves are sickle-shaped. It grows in meadows and next to lakes at elevations of 3090 metre.

This sedge is very similar to Carex capillaris and some authors argue it should be treated as a subtaxon

Taxon

|thumb|270px|[[African elephants]] form a widely-accepted taxon, the [[genus]] LoxodontaA taxon is a group of organisms, which a taxonomist adjudges to be a unit. Usually a taxon is given a name and a rank, although neither is a requirement...

of that species.

External links

• Carex tiogana. CalPhotos Photo Gallery.