Species Details

Eriophorum gracile

slender cottongrass

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo of Eriophorum gracile
©2011 Steven Perry
Photo of Eriophorum gracile
©2019 Hannah Kang
Scientific Name:
Eriophorum gracile W.D.J. Koch
Common Name:
slender cottongrass
Family: Cyperaceae
Element Code: PMCYP0A080
USDA Plants Symbol: ERGR8
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb (emergent)
Blooming Period: May-Sep
1280 - 2900 meters
4200 - 9515 feet
General Habitat:
  • Bogs and fens
  • Meadows and seeps
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Acidic
Potentially threatened by development and hydrological alterations. Possibly threatened by grazing and trampling.
Total Occurrences: 0
Element Occurrence Ranks:
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), California (CA), Colorado (CO), Connecticut (CT), Delaware (DE), Idaho (ID), Illinois (IL), Indiana (IN), Iowa (IA), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Montana (MT), Nebraska (NE), New Hampshire (NH), New Jersey (NJ), New York (NY), North Dakota (ND), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Dakota (SD), Vermont (VT), Washington (WA), Wisconsin (WI), Wyoming (WY)
California Counties and Islands: Name (Code)
Amador (AMA), Butte (BUT), Calaveras (CAL), El Dorado (ELD), Fresno (FRE), Lassen (LAS), Madera (MAD), Mariposa (MPA), Merced (MER), Nevada (NEV), Placer (PLA), Plumas (PLU), San Benito (SBT), Santa Clara (SCL), Shasta (SHA), Sierra (SIE), Siskiyou (SIS)?, Sonoma (SON), Stanislaus (STA), Tuolumne (TUO)
Quads: Name (Quad Code)
Bear River Reservoir (3812052), Belden (4012113), Bickmore Canyon (3612152), Big Bend (4112118), Bucks Lake (3912182), Burney (4012186), Butte Meadows (4012115), Chester (4012132), City of Mount Shasta (4112233), Clio (3912065), Copper Mtn. (3712143), Curry Mountain (3612014), Diamond Mtn. (4012036), Dorrington (3812033), Echo Lake (3812071), Eylar Mtn. (3712145), Freel Peak (3811978), Half Dome (3711965), Hobart Mills (3912042), Homewood (3912012), Humbug Valley (4012123), Isabel Valley (3712135), Jess Valley (4112023), Jonesville (4012114), Kimshew Point (3912184), Lake Eleanor (3711987), Lonoak (3612038), Martis Peak (3912031), McCloud (4112232), Meadow Valley (3912181), Meeks Bay (3912011), Mt. Harkness (4012143), Mt. Ritter (3711962), Mt. Shasta (4112242), North Chalone Peak (3612142), Ortigalita Peak (3612078), Pikes Point (4012057), Reading Peak (4012144), Red Cinder (4012142), Riverton (3812074), Rock Spring Peak (3612048), Sattley (3912054), Sebastopol (3812247), Solyo (3712153), Tamarack Flat (3711976)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.


Presumed Extant
Counties   Quads