Child nodes | - taxid:109073 Alnus incana subsp. tenuifolia (subspecies), Alnus incana subsp. tenuifolia (Nutt.) Breitung (synonym), Alnus tenuifolia (synonym), Alnus tenuifolia Nutt. (synonym).
- taxid:366499 Alnus incana subsp. kolaensis (subspecies), Alnus incana subsp. kolaensis (Orlova) A.Love & D.Love (synonym), Alnus kolaensis (synonym), Alnus kolaensis N.I.Orlova (synonym), Alnus kolaensis Orlova (synonym).
- taxid:109070 Alnus incana subsp. rugosa (subspecies), Alnus incana subsp. rugosa (Du Roi) R.T.Clausen (synonym), Alnus rugosa (synonym), Alnus rugosa (Du Roi) Spreng. (synonym).
- taxid:1052850 Alnus incana subsp. incana (subspecies).
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