Alnus incana
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- Familia
- Betulaceae
- Species
- Alnus incana (L.) Moench
Alnus incana ssp. incana (Europe, western Asia)
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 Gray stem: Alnus incana |
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Alnus incana ssp. rugosa (Du Roi) R.T.Clausen (eastern North America)
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Alnus incana ssp. tenuifolia (Nutt.) Breitung
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