CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record limosella_australis - Sat, Nov. 27, 2021 13:25 ET c
Limosella australis
common nameDelta mudwort
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life form stoloniferous herb
CA Rare Plant Rank
List 2B.1
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.1: Seriously endangered in California
state rank
S2      ranking system key
global rank
G4G5      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (9):
Woodward Island (463A) 3712185, Clifton Court Forebay (463D) 3712175, Terminous (479C) 3812114, Rio Vista (480B) 3812126, Jersey Island (480C) 3812116, Bouldin Island (480D) 3812115, Honker Bay (481C) 3812118, Antioch North (481D) 3812117, Dozier (498D) 3812137
quad data info

Counties, states, regions:
Contra Costa (CCA), Sacramento (SAC), San Joaquin (SJQ), Solano (SOL), Conneticut (CT), Delaware (DE), Massachusetts (MA), Maryland (MD), Maine (ME), North Carolina (NC), New Hampshire (NH), New Jersey (NJ), New York (NY), Pennsylvania (PA), Rhode Island (RI), Virginia (VA), Washington (WA), 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 or brackish)
•Riparian scrub (RpScr)/Usually mud banks
blooming period May-Aug  
elevation range0 - 3 meters
Threatened by stream bank alteration, levee maintenance, erosion, recreational activities, and foot traffic. Also occurs on the Atlantic Coast, where threatened by habitat destruction. Native status in CA is inconclusive; definitive study needed. Treated as naturalized in TJM (1993) and TJM 2. See Prodromus Florae Novae Hollandiae 1:443 (1810) for original description.
full nameLimosella australis R. Br.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDSCR10050
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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, Nov. 27, 2021 from

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