Most observed native Planorbella
Native to the US, by how plants support them, most observed first.
Other species All
7 native species with no plant ties on record, most observed first.
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Marsh Ramshorn
Planorbella trivolvis
8,381 observations
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Bellmouth Ramshorn
Planorbella campanulata
1,375 observations
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Mesa Ramshorn
Planorbella scalaris
47 observations
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Rough Ramshorn
Planorbella subcrenata
24 observations
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Borax Lake Rams-horn
Planorbella oregonensis
17 observations
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Mexican Ramshorn
Planorbella tenuis
6 observations
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Coarse Ramshorn
Planorbella binneyi
2 observations