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Sierra sedge

Scientific Name: Carex nervina

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Carex tiogana and Other Sedges of the Sierra Nevada

This page provides information about Carex tiogana, a newly described sedge species found in the Sierra Nevada, California, as well as related sedge species found in the region.

Scientific Name and Common Names

  • Carex tiogana: No common name specified in the text.
  • Carex nervina: Sierra sedge, Sierra Nerved Sedge
  • Carex scopulorum var. bracteosa: Rocky Mountain Sedge, Mountain Sedge, Sierra Alpine Sedge
  • Carex aestivalis: Summer sedge

Taxonomy and Nomenclature

  • Family: Cyperaceae (mentioned in relation to Carex tiogana)
  • Carex macloviana subsp. subfusca: Sierra Slender Sedge

Distribution and Habitat

  • Carex tiogana is found in the Sierra Nevada, California.
  • Carex cyrtostachya is a narrow endemic from the western slope of the northern Sierra Nevada of California.
  • Other sedges are prevalent in wet meadows and alpine meadows of the Sierra Nevada and Cascade Ranges.
  • Specific locations mentioned include Tule Meadow in the Sierra National Forest, and slopes near Adams Glacier, Mt. Adams (for "little hare sedge," though this may be a different species).

Morphological Characteristics and Growth Habits

  • Carex tiogana is similar to C. capillaris but typically has shorter culms (stems).

Ecology

  • Sedges in the Sierra Nevada region play a role in various plant communities, including the inflated sedge-Sierra willow community (Carex vesicaria-Salix eastwoodiae).

Interactions with Other Organisms

  • The text mentions the life cycle and behavior of the caddisfly species Oligophlebodes sierra, which is associated with sedges (though not explicitly Carex).
  • Cattle grazing can affect sedge meadows.
  • Grazing can have effects on gophers in the Sierra Nevada region in relation to sedge occurrence.

Resources and Further Information

  • USDA-NRCS PLANTS Database is mentioned as a source for images and information on Carex helleri and Carex nervina.
  • Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Carex nervina.
  • Sierra Nevada Aquatic Research Laboratory (SNARL) flora catalog.