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GENECOLOGICAL STUDIES OF URTICA DIOICA L, II, PATTERNS OF VARIATION AT WICKEN FEN, CAMBRIDGESHIRE, ENGLAND |
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| Authors: | A. J. POLLARD D. BRIGGS |
| Affiliation: | Botany School, University of Cambridge, Downing Street, Cambridge CB2 SEA, UK |
| Abstract: | |
| Keywords: | Genecology Urtica dioica population gene flow selection |