An evolutionary study of the fern Asplenium trichomanes
The aggregate species Asplenium trichomanes includes three different cytotypes:- a diploid with n = 36 chromosomes, a tetraploid with n = 72, and a hexaploid with n = 108. Although the diploid and tetraploid cytotypes are widely though discontinuously distributed in both Northern and Southern Hemisp...
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University of Leeds
1958
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.276418 |