BACKGROUND AND AIMS Pollen and seed dispersal in herbaceous insect-pollinated plants are often restricted, inducing strong population structure. To what extent this influences mating within and among patches is poorly understood. This study investigates the influence of population structure on pollen performance using controlled pollinations and genetic markers. METHODS Population structure w...

Here we compare gene orders on the Silene latifolia sex chromosomes. On the basis of the deletion mapping results (11 markers and 23 independent Y chromosome deletion lines used), we conclude that a part of the Y chromosome (covering a region corresponding to at least 23.9 cM on the X chromosome) has been inverted. The gradient in silent-site divergence suggests that this inversion took place a...

The article provides an information about the finds of six adventitious plant species in Sverdlovsk Region, two them are new to flora region (Hesperis pycnotricha Borbás et Degen., Nepeta sibirica L.). Four (Lotus corniculatus L., Silene dichotoma Ehrh., Urtica cannabina Vicia amoena Fisch.) were previously known from 1–2 localities Region and rare not only region, but also adjacent territories...