Floral scent emission rate and composition of purple and white flower color morphs of Hesperis matronalis (Brassicaceae) were determined for two populations and, for each, at two times of day using dynamic headspace collection and GC-MS. The floral volatile compounds identified for this species fell into two main categories, terpenoids and aromatics. Principal component analysis of 30 compounds...

Nine new species in Australian Nicotiana section Suaveolentes are described, including N. clarksonii M.W.Chase & Christenh., erytheia latifolia latzii M.W.Chase, R.W.Jobson gibbosa D.D.Andrew J.J.Bruhl, olens praecipitis K.Durham, karara Christenh. and bungonia Taseski. Some have been known from herbarium specimens for a long time, but their distinction other concepts was unsuspected until DNA ...

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...

New data on 10 adventive plant species are given. Two and one subspecies (Atriplex hortensis, Solanum nigrum subsp. schultesii, Nepeta cataria) new for the Republic of Buryatia. Five two interspecies hybrids (Arctium × mixtum, Galinsoga parviflora, Hesperis pycnotricha, Lactuca serriola, Medicago varia, Onobrychis viciifolia, Viola tricolor) recorded first time in Ulan-Ude city its neighborhood.