Taxon Report

Carex geyeri Boott

Geyer's sedge

Print Report


© 2011 Ryan Batten

Taxon Summary

Carex geyeri, commonly known as Geyer's sedge, is a perennial rhizomatous herb in the Cyperaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Lower montane coniferous forest, growing at elevations from 1155 to 2195 meters. Carex geyeri is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.


Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: May-Aug May-Aug
Elevation: 1155-2195 (3790-7200)
General Habitats: Great Basin scrub, Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  False
California Counties and Islands: Name (Code)
Butte (BUT), Humboldt (HUM), Lassen (LAS), Madera (MAD), Plumas (PLU), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Almanor (4012122), Babcock Peak (4012015), Blue Nose Mtn. (3912077), Butte Meadows (4012115), Canyondam (4012121), Caribou (4012112), China Mtn. (4112245), Crescent Mills (4012018), Day (4112123), Duzel Rock (4112256), Figurehead Mtn. (4112383), Fredonyer Pass (4012037), Genesee Valley (4012016), Grouse Mtn. (4012376), Kettle Rock (4012026), Lookout (4112122), Mammoth Mtn. (3711961), Meadow Valley (3912181), Moonlight Peak (4012027), Mount Eddy (4112234), Mt. Ingalls (3912086), Onion Valley (3912078), Papoose Creek (4012276), Quincy (3912088), Scott Mountain (4112236), Seven Lakes Basin (4112224), Spring Garden (3912087), Tangle Blue Lake (4112226), Taylorsville (4012017), Twain (4012111), Whisky Bill Peak (4112215), Willow Creek (4012386)

Notes

Threatened by logging.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 31 January 2025].