CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record brasenia_schreberi - Sat, Dec. 4, 2021, 09:34 ET b
Brasenia schreberi
common namewatershield
CalPhotos image
more photos
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life form rhizomatous herb aquatic
CA Rare Plant Rank
List 2B.3
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.3: Not very endangered in California
state rank
S3      ranking system key
global rank
G5     G5: demonstrably secure to ineradicable
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (34):
Kern Lake (330C) 3611834, Mount Givens (416D) 3711931, Lake Eleanor (456A) 3711987, Stockton West (462A) 3712183, Bouldin Island (480D)* 3812115, Bruceville (496C) 3812134, Courtland (497D) 3812135, Emerald Bay (523A) 3812081, Echo Lake (523D) 3812071, Kelseyville (534A) 3812287, Upper Lake (549B) 3912228, Lakeport (549C) 3912218, Sanborn Slough (561C)(?) 3912138, Van Arsdale Reservoir (566A) 3912341, Laughlin Range (567D) 3912333, Llano Seco (577C)(?) 3912158, Jamison Ridge (582B) 3912362, Laytonville (583B) 3912364, Longvale (583C) 3912354, Cahto Peak (584A) 3912365, Quincy (589B) 3912088, Meadow Valley (590A) 3912181, Buck Rock (597B) 3912288, Crescent Mills (605C) 4012018, Westwood East (623C) 4012038, Red Cinder (624B) 4012142, Chester (624C) 4012132, Mount Harkness (625A) 4012143, Reading Peak (625B) 4012144, Childs Meadows (625C) 4012134, Balls Ferry (628B) 4012242, Chalk Mountain (663A) 4012187, Fall River Mills (678C) 4112114, Bray (714B) 4112168
quad data info

Counties, states, regions:
Butte (BUT)(?), El Dorado (ELD), Fresno (FRE), Kern (KRN)?, Lake (LAK), Lassen (LAS), Mendocino (MEN), Nevada (NEV), Plumas (PLU), Sacramento (SAC), Shasta (SHA), Siskiyou (SIS), San Joaquin (SJQ), Sutter (SUT), Tehama (TEH), Tulare (TUL), Tuolumne (TUO), Alaska (AK), Alabama (AL), Arkansas (AR), Conneticut (CT), Delaware (DE), Florida (FL), Georgia (GA), Iowa (IA), Idaho (ID), Illinois (IL), Indiana (IN), Kansas (KS), Kentucky (KY), Louisiana (LA), Massachusetts (MA), Maryland (MD), Maine (ME), Michigan (MI), Minnesota (MN), Missouri (MO), Mississippi (MS), Montana (MT), North Carolina (NC), Nebraska (NE), New Hampshire (NH), New Jersey (NJ), New York (NY), Ohio (OH), Oklahoma (OK), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Carolina (SC), South Dakota (SD), Tennesee (TN), Texas (TX), Virginia (VA), Vermont (VT), Washington (WA), Wisconsin (WI), West Virginia (WV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Marshes and swamps (MshSw)(freshwater)
blooming period Jun-Sep  
elevation range30 - 2200 meters
Many occurrences historical; need field surveys. See Systema Naturae: Per Regna Tria Naturae 2(1):853 (1791) for original description.
full nameBrasenia schreberi J.F. Gmel.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  BRSC Element Code  PDCAB01010
CalFlora species this taxon    CalFlora genus related taxa
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 Sat, Dec. 4, 2021 from

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