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By: Johnson, Leigh A - Gowen, DavidType: ArticleIn: PhytoKeysVolume: 91Series:Issue:Date: 2017Page Range: 39-83Publication Info: Pensoft Publishers 2017Subjects: Allopolyploidy California conservation assessment exclusivity species delimitation taxonomy unified species concept Western United States
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By: Wallin, Henrik - Kvamme, Torstein, - Bergsten, JohannesType: ArticleIn: ZooKeysVolume: 691Series:Issue:Date: 2017Page Range: 103-148Publication Info: Pensoft Publishers 2017Subjects: Cerambycidae genitalia characters Lamiinae Nearctic region new subspecies new synonyms Palaearctic region Salix lapponum Saperda subspecies definition taxonomy unified species concept