CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record potamogeton_epihydrus - Thu, Dec. 2, 2021, 08:05 ET b
Potamogeton epihydrus
common nameNuttall's ribbon-leaved pondweed
CalPhotos image
No image is currently registered in our database. Users can help us by checking CalPhotos for recent additions, and then contacting us if any are found.
life form rhizomatous herb aquatic
CA Rare Plant Rank
List 2B.2
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.2: Fairly endangered in California
state rank
S2S3   S2S3: Intermediate between S2 and S3
global rank
G5     G5: demonstrably secure to ineradicable
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (33):
Little Shuteye Peak (417B) 3711944, Half Dome (437A) 3711965, El Capitan (437B) 3711966, Falls Ridge (454B) 3711984, Ten Lakes (455A) 3711985, Yosemite Falls (455D) 3711975, Ackerson Mountain (456D) 3711977, Cooper Peak (473A) 3811927, Pinecrest (473B) 3811928, Pyramid Peak (523C) 3812072, Eureka Hill (537A) 3812385, Point Arena (537B) 3812386, Tahoe City (538B) 3912022, Willits (567A) 3912343, Laytonville (583B) 3912364, Cahto Peak (584A) 3912365, Beckwourth Pass (586D) 3912071, Covelo East (598C) 3912372, Covelo West (599D) 3912373, Ferris Creek (603D) 4012013, Crescent Mills (605C) 4012018, Whiskeytown (648A) 4012265, Igo (648D) 4012255, Alturas (692A) 4112045, Surprise (708C) 4112054, Whittemore Ridge (709B) 4112066, Boles Meadows East (710A) 4112067, Jacks Butte (710D) 4112057, Mount Bidwell (724B) 4112082, Pease Flat (726A) 4112085, Beaver Mountain (726B) 4112086, South Mountain (726C) 4112076, Mcginty Reservoir (726D) 4112075
quad data info

Counties, states, regions:
El Dorado (ELD), Madera (MAD), Mendocino (MEN), Modoc (MOD), Mariposa (MPA), Placer (PLA), Plumas (PLU), Shasta (SHA), Tuolumne (TUO), Alaska (AK), Alabama (AL), Arkansas (AR), Colorado (CO), Conneticut (CT), District of Columbia (DC), Delaware (DE), Florida (FL), Georgia (GA), Iowa (IA), Idaho (ID), Illinois (IL), Indiana (IN), Kentucky (KY), Louisiana (LA), Massachusetts (MA), Maryland (MD), Maine (ME), Michigan (MI), Minnesota (MN), Missouri (MO), Mississippi (MS), Montana (MT), North Carolina (NC), New Hampshire (NH), New Jersey (NJ), Nevada (NV), New York (NY), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Carolina (SC), South Dakota (SD), Tennesee (TN), Utah (UT), Virginia (VA), Vermont (VT), Washington (WA), Wisconsin (WI), West Virginia (WV), Wyoming (WY)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Marshes and swamps (MshSw)(assorted shallow freshwater)
blooming period (Jun),Jul-Sep   Months in parentheses are uncommon.
elevation range369 - 2172 meters
Threatened by recreational activities and water contamination. Possibly threatened by vehicles. Hybridizes with P. nodosus.
full namePotamogeton epihydrus Raf.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PMPOT03080
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Thu, Dec. 2, 2021 from

pick and add to Plant Pressexplain the meaning of the fieldsFIRSTPREVIOUSNEXTLASTCNPS.ORGQuestions and CommentsHOMELOGIN (you are guest anonymous)   Web Oriented Database Home