Species Details

Wolffia brasiliensis

Brazilian watermeal

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Photo of Wolffia brasiliensis
© 2021 Scot Loring
Photo of Wolffia brasiliensis
2014 Jeff Greenhouse
Photo of Wolffia brasiliensis
© 2019 Evan D. MacKinnon
Scientific Name:
Wolffia brasiliensis Wedd.
Common Name:
Brazilian watermeal
Family: Araceae
Element Code: PMLEM03020
USDA Plants Symbol: WOBR
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G5
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2021-07-14
Lifeform: perennial herb (aquatic)
Blooming Period: Apr-Dec
JFMAMJJASOND
Elevation:
20 - 100 meters
65 - 330 feet
General Habitats:
  • Marshes and swamps (shallow freshwater)
Microhabitat Details:
Microhabitat:
Notes:
Potentially threatened by competition. See MadroƱo 36(4):283-286 (1989) for first CA occurrence.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 2 33 %
THREAT LIST:
Altered flood/tidal/hydrologic regime 1 16%
Waterway bank protection/maintenance 1 16%
Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 5
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 2
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alabama (AL), Arkansas (AR), California (CA), Connecticut (CT), Delaware (DE), District of Columbia (DC), Florida (FL), Georgia (GA), Illinois (IL), Indiana (IN), Iowa (IA), Kansas (KS), Kentucky (KY), Louisiana (LA), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Mississippi (MS), Missouri (MO), Montana (MT), Nebraska (NE), New Jersey (NJ), New York (NY), North Carolina (NC), Ohio (OH), Oklahoma (OK), Oregon (OR), Pennsylvania (PA), South Carolina (SC), Tennessee (TN), Texas (TX), Utah (UT), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI)
California Counties and Islands: Name (Code)
Butte (BUT), Glenn (GLE), Sutter (SUT), Yuba (YUB)
Quads: Name (Quad Code)
Camp Far West (3912113), Hamilton City (3912261), Llano Seco (3912158), Ord Ferry (3912168), Pennington (3912137)
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.
Presumed Extant
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