Species Details

Stuckenia filiformis ssp. alpina

northern slender pondweed

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo of Stuckenia filiformis ssp. alpina
Dana York (2016)
Scientific Name:
Stuckenia filiformis (Pers.) Börner ssp. alpina (Blytt) R.R. Haynes et al.
Common Name:
northern slender pondweed
Family: Potamogetonaceae
Element Code: PMPOT03091
USDA Plants Symbol: STFIA2
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G5T5
State Rank:
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 1994-01-01
Date Edited: 2021-07-14
Lifeform: perennial rhizomatous herb (aquatic)
Blooming Period: May-Jul
300 - 2150 meters
985 - 7055 feet
General Habitat:
  • Marshes and swamps (shallow freshwater)
General Micro Habitat:
Micro Habitat:
To be expected in the San Joaquin Valley, San Francisco Bay area, and the central high Sierra Nevada; need information. On review list in OR.
Total Occurrences: 21
Element Occurrence Ranks:
0 0 0 0 0 21
Occurrence Status:
Historical >20 Years 21
Recent <=20 Years 0
Presumed Extant 21
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Maine (ME), Michigan (MI), Minnesota (MN), Montana (MT), Nebraska (NE), Nevada (NV), New Hampshire (NH), New Jersey (NJ), New Mexico (NM), New York (NY), North Dakota (ND), Ohio (OH), Oregon (OR), Pennsylvania (PA), South Dakota (SD), Utah (UT), Vermont (VT), Washington (WA), Wisconsin (WI), Wyoming (WY)
California Counties and Islands: Name (Code)
Alameda (ALA), Butte (BUT), Contra Costa (CCA), El Dorado (ELD), Lassen (LAS), Mariposa (MPA), Merced (MER), Modoc (MOD), Mono (MNO), Placer (PLA), San Mateo (SMT), Santa Clara (SCL)*, Shasta (SHA), Sierra (SIE), Siskiyou (SIS), Solano (SOL), Sonoma (SON)
Quads: Name (Quad Code)
Marlette Lake (3911928), Ano Nuevo (3712213), Burney Falls (4112116), Cassel (4012185), Cedar Hill (3811827), Chalk Mtn. (4012187), Chico (3912167), City of Mount Shasta (4112233), Clayton (3712188), Convict Lake (3711857), Diablo (3712178), El Capitan (3711966), Emerald Bay (3812081), Fairfield North (3812231), Fall River Mills (4112114), Franklin Point (3712223), Gallatin Peak (4012056), Gold Lake (3912066), Infernal Caverns (4112035), Ingomar (3712028), Jess Valley (4112023), June Lake (3711971), Kings Beach (3912021), Lane Reservoir (4112017), Likely (4112025), Mount St. Helena (3812266), Newark (3712251), Niles (3712158), Oakland East (3712272), Palo Alto (3712242)*, Sierra City (3912056), Walnut Creek (3712281), Whitmore Hot Springs (3711867)
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