CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record alisma_gramineum - Tue, Nov. 30, 2021 04:48 ET c
Alisma gramineum
common namegrass alisma
CalPhotos image
more photos
© 2010 Louis-M. Landry  Follow image link for photo data.
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
S3      ranking system key
global rank
G5     G5: demonstrably secure to ineradicable
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (15):
Willits (567A) 3912343, Laytonville (583B) 3912364, Longvale (583C) 3912354, Cahto Peak (584A) 3912365, Johnstonville (622A) 4012045, Ravendale (657D) 4012073, Tule Mountain (674B) 4112024, Likely (675A) 4112025, Holbrook Canyon (675D) 4112015, Alturas (692A) 4112045, Washington Mountain (693B) 4112048, Mahogany Ridge (709D) 4112055, Grass Lake (715B) 4112262, Mcginty Point (725C) 4112074, Pease Flat (726A) 4112085
quad data info

Counties, states, regions:
Lassen (LAS), Mendocino (MEN), Modoc (MOD), Siskiyou (SIS), Arizona (AZ), Idaho (ID), New Mexico (NM), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA)
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-Aug  
elevation range390 - 1800 meters
Threatened by road construction.
full nameAlisma gramineum Lej.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ALGR Element Code  PMALI01010
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 Tue, Nov. 30, 2021 from

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