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“Interestingly, some of these European extinct or relictual taxa are spreading today after re-introductions into parts of Europe (e.g. Morus mulberry, Tsuga, Cedrus cedar, Aesculus, Rhododendron ponticum), perhaps re-occupying ‘empty niches’ vacated earlier in the Quaternary.” — Frank Krumm
Interestingly, some of these European extinct or relictual taxa are spreading today after re-introductions into parts of Europe (e.g. Morus mulberry, Tsuga, Cedrus cedar, Aesculus, Rhododendron ponticum), perhaps re-occupying ‘empty niches’ vacated earlier in the Quaternary.