Species Details

Potamogeton robbinsii

Robbins' pondweed

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Classification

Scientific Name: Potamogeton robbinsii Oakes
Common Name: Robbins' pondweed
Family:	Potamogetonaceae
Element Code:	PMPOT030Z0
USDA Plants Symbol:	PORO2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S3
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

Ecology and Life History

Lifeform: perennial rhizomatous herb (aquatic)
Blooming Period: Jul-Aug
Elevation: 1530 - 3300 meters 5020 - 10825 feet
General Habitat: Marshes and swamps (lakes, deep water)
General Micro Habitat:
Micro Habitat:

Notes

Notes:
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					17
A	B	C	D	X	U
3	3	0	0	0	11

Occurrence Status:
Historical >20 Years	11
Recent <=20 Years	6

Presence:
Presumed Extant	17
Possibly Extirpated	0
Presumed Extirpated	0

Location

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)

Notes:

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.

Regional Map

Map

Presumed Extant

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Counties Quads

CNPS Rare Plant Inventory