Zooming in on the lettuce genome: species relationships in Lactuca s.l., inferred from chromosomal and molecular characters

adn asteraceae bandeo de cromosomas banding chromosomique cariotipos caryotype chromosome banding dna dna fingerprinting empreinte adn filogenia fitomejoramiento genomas genomes herbaria herbarios herbier karyotypes lactuca phylogenetics phylogenie phylogeny plant breeding