Morphological Variation among Betula nana (diploid), B. pubescens (tetraploid) and their Triploid Hybrids in Iceland

BACKGROUND AND AIMS: Introgressive hybridization between two co-existing Betula species in Iceland, diploid dwarf birch B. nana and tetraploid downy birch B. pubescens, has been well documented. The two species are highly variable morphologically, making taxonomic delineation difficult despite stabl...

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Bibliographic Details
Main Authors: Thórsson, Æ. Th., Pálsson, S., Sigurgeirsson, A., Anamthawat-Jónsson, K.
Format: Artigo
Language:Inglês
Published: Oxford University Press 2007
Subjects:
Invited Review
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC3243578/
https://ncbi.nlm.nih.gov/pubmed/17495985
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/aob/mcm060
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