Sphacelaria lacustris
A brown alga
Collection Information for
Sphacelaria lacustris
Results limited to
All Great Lakes Drainages
.
Results also available in
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Specimen ID
State
County
Locality
Year
HUC Number
Drainage Name
Status
240771
Lake Michigan
1975
04190000
Lake Michigan
established
1737114
WI
Milwaukee
Shorewood, 1000m east of Atwater Beach, Lake Michigan
1976
04190000
Lake Michigan
Citation for this information:
U.S. Geological Survey, 2026,
Sphacelaria lacustris
: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/23/2026