Species Details

Potamogeton robbinsii

Robbins' pondweed

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo of Potamogeton robbinsii
©2014 Dana York
Scientific Name:
Potamogeton robbinsii Oakes
Common Name:
Robbins' pondweed
Family: Potamogetonaceae
Element Code: PMPOT030Z0
USDA Plants Symbol: PORO2
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G5
State Rank:
Other Status: IUCN_LC
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 1994-01-01
Date Edited: 2021-07-14
Lifeform: perennial rhizomatous herb (aquatic)
Blooming Period: Jul-Aug
1530 - 3300 meters
5020 - 10825 feet
General Habitat:
  • Marshes and swamps (lakes, deep water)
General Micro Habitat:
Micro Habitat:
Total Occurrences: 17
Element Occurrence Ranks:
3 3 0 0 0 11
Occurrence Status:
Historical >20 Years 11
Recent <=20 Years 6
Presumed Extant 17
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alabama (AL), Alaska (AK), California (CA), Colorado (CO), Connecticut (CT), Delaware (DE), District of Columbia (DC), Idaho (ID), Illinois (IL), Indiana (IN), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Montana (MT), New Hampshire (NH), New Jersey (NJ), New York (NY), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), Utah (UT), Vermont (VT), Virginia (VA), Washington (WA), Wisconsin (WI), Wyoming (WY)
California Counties and Islands: Name (Code)
Alpine (ALP), El Dorado (ELD), Fresno (FRE), Inyo (INY), Madera (MAD), Mariposa (MPA), Mono (MNO), Nevada (NEV), Plumas (PLU), Sierra (SIE), Siskiyou (SIS), Tuolumne (TUO)
Quads: Name (Quad Code)
Belden (4012113), Coyote Flat (3711824), Crystal Crag (3711951), Ebbetts Pass (3811957), El Capitan (3711966), Freel Peak (3811978), Hume (3611878), Independence Lake (3912043), Koip Peak (3711972), Lake Eleanor (3711987), Mammoth Mtn. (3711961), Marble Mountain (4112352), Medicine Mtn. (4112343), Mt. Thompson (3711825), Pacific Valley (3811958), Truckee (3912032), Ukonom Lake (4112353)
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