Most observed native Unioninae
Native to the US, by how plants support them, most observed first.
Other species All
36 native species with no plant ties on record, most observed first.
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Giant Floater
Pyganodon grandis
9,459 observations
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Paper Pondshell
Utterbackia imbecillis
2,742 observations
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Eastern Floater
Pyganodon cataracta
2,015 observations
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White Heelsplitter
Lasmigona complanata
1,642 observations
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Flutedshell
Lasmigona costata
1,597 observations
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Creeper
Strophitus undulatus
1,088 observations
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Elktoe
Alasmidonta marginata
924 observations
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Cylindrical Papershell
Anodontoides ferussacianus
671 observations