Schmidtea polychroa
A flatworm
Collection Information for
Schmidtea polychroa
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
240721
NY
Lake Ontario
1968
04280002
Lake Ontario
established
1886520
ON
Nearshore Lake Erie, Canada
1973
04260000
Lake Erie
1886521
ON
Toronto Harbour
1974
04280002
Lake Ontario
Citation for this information:
U.S. Geological Survey, 2026,
Schmidtea polychroa
: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 6/4/2026