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| Family Betulaceae (click for list of genera only) | |
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Alnus Mill.
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alder (DISTRIBUTION MAP GALLERY of SPECIES) | |
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Alnus glutinosa (L.) Gaertn.
* +
black alder, European alder Alnus alnus (L.) Britton Alnus vulgaris Hill Betula alnus L. var. glutinosa L. |
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Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen
* +
mountain alder, speckled alder, swamp alder Alnus glauca Michx. Alnus incana (L.) Moench f. tomophylla Fernald Alnus incana (L.) Moench var. americana Regel Alnus rugosa (Du Roi) Spreng. Alnus rugosa (Du Roi) Spreng. var. americana (Regel) Fernald Alnus rugosa (Du Roi) Spreng. var. tomophylla (Fernald) Fernald Betula alnus L. var. rugosa Du Roi |
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Alnus viridis (Vill.) DC. subsp. crispa (Aiton) Turrill
* +
American green alder, green alder, mountain alder Alnus alnobetula (Ehrh.) K.Koch var. crispa (Aiton) H.J.P.Winkler Alnus crispa (Aiton) Pursh Alnus crispa (Aiton) Pursh var. elongata Raup Alnus crispa (Aiton) Pursh var. harricanensis Lepage Alnus crispa (Aiton) Pursh var. mollis (Fernald) Fernald Alnus crispa (Aiton) Pursh var. stragula Fernald Alnus mitchelliana M.A.Curtis ex A.Gray Alnus mollis Fernald Alnus viridis (Vill.) DC. var. crispa (Aiton) House Alnus viridis (Vill.) DC. var. fernaldii House Alnus X hultenii Murai Betula crispa Aiton Duschekia viridis (Chaix) Opiz |
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