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Article
Hybridization, polyploidy and invasion: lessons from Spartina (Poaceae)
In this paper, we examine how the Spartina system has helped our understanding of the genomic aspects of allopolyploid speciation in the context of biological invasion. More specifically the respective roles of h...
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Article
Morphological variation and distribution of cytotypes in the diploid-tetraploid complex of the genus Dactylis L. (Poaceae) from Algeria
Morphological and cytological characters were analysed among thirty populations of the genus Dactylis L. from Algeria, to understand its infraspecific diversity. Principal Component Analysis using quantitative ch...
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Article
Molecular phylogeny, diversification and character evolution in Lupinus (Fabaceae) with special attention to Mediterranean and African lupines
Phylogenetic relationships within the complex genus Lupinus are estimated from internal transcribed spacer (ITS) sequences of the nuclear ribosomal DNA repeat. The molecular data supports Lupinus as a distinct m...
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Article
Hordein polymorphism in diploid and tetraploid Mediterranean populations of the Hordeum murinum L. complex
Polymorphism analyses of the hordeins, main storage proteins in barley, were conducted on 35 natural populations of Hordeum murinum s.l. from North Africa; this specific complex includes three subspecies with two...
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Article
Genetic evidence for hybridization between the native Spartina maritima and the introduced Spartina alterniflora (Poaceae) in South-West France: Spartina × neyrautii re-examined
Spartina alterniflora, a perennial grass native to the North American Atlantic coast, was introduced during the 19th century in western Europe (Southern England and western France) where it hybridized with the n...
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Article
Phenotypic plasticity and genetic diversity in Poa annua L. (Poaceae) at Crozet and Kerguelen Islands (subantarctic)
The widely distributed grass, Poa annua, is one of the most common alien species in the subantarctic islands. The historical events of its introduction remain generally unknown, as well as the evolutionary conse...
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Article
Patterns of genetic differentiation in two annual bromegrasses,Bromus lanceolatus andB. hordeaceus (Poaceae)
Infraspecific genetic differentiation was analysed in two tetraploid annual bromegrasses,Bromus lanceolatus (from N Africa) andB. hordeaceus (from N Africa and France). Genetic analysis of populations was based o...
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Article
Protein relationships between natural populations ofUlex europaeus andU. gallii (Faboideae, Genisteae) and their hybrids
Prostrate ecotypes ofUlex gallii, an atlantic species with autumnal flowering, grow on capes in Brittany (France).U. europaeus, a widespread species, has winter and spring flowering, but some plants can precociou...