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We used chloroplast DNA sequences from matK and rbcL to infer the phylogeny for 101 of the approximately 111 species of Pinus (Pinaceae). At the level of subsection and above, the cpDNA tree is… (More)
Organellar DNA sequences are widely used in evolutionary and population genetic studies, however, the conservative nature of chloroplast gene and genome evolution often limits phylogenetic resolution… (More)
Plantago ovata Forssk. (Plantaginaceae) is a species that, in North America, inhabits desert and Mediterranean habitats of the southwest United States, northwest Mexico, and the Channel Islands of… (More)
DNA isolated and amplified from higher plants may originate from symbiotic microbes occupying plant tissues. A recent report on the phylogeny of Picea contained sequence data that upon later analysis… (More)
Crimson clover (Trifolium incarnatum L.) is a cool-season annual forage legume. Few morphological traits are recorded to distinguish genotypes and very little is known about its genetic diversity.… (More)
ABSTRACf The genus Datisca comprises two species and has an intercontinentally disjunct distribution: D. cannabina is native to southwest and central Asia, whereas D. g/omerata is distributed from… (More)