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River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments
Benthic Macroinvertebrates
Girardia
Girardia
Flatworms
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Taxa Hierarchy
Phylum
Platyhelminthes
Class
Turbellaria
SubClass
Archoophora
Order
Tricladida
Family
Dugesiidae
Genus
Girardia
Species
ITIS Links
TSN
54503
Parent TSN
54502
Metric Values
Tolerance
6.0
FFG
Collector/Gatherer
Habit
Unidentified
CW Ind
False
Assessment Program Statistics
Total Individuals Collected
15,109
Number of Unique Sites Collected
492
Taxa Distribution Map
Esri, USGS | Iowa DNR, Esri, TomTom, Garmin, FAO, NOAA, USGS, EPA, NPS, USFWS | IADNR BioNet
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1/1/1994
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1/1/2026
1/1/1994
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