Floristic findings on the territory of Baikal Siberia

Abstract

15 new native and alien species of vascular plants are reported for the Irkutsk Region, Republic of Buryatia, and Trans-Baikal Territory: Agropyron michnoi Roshev., Arctopoa schischkinii (Tzvelev) Prob., Arnica intermedia Turcz., Atocion armeria (L.) Fourr., Cynodon dactylon (L.) Pers., Dracocephalum argunense Fisch. ex Link, Eragrostis minorHost, Festuca richardsonii Hook., Lespedeza davurica (Laxm.) Schindl., Leymus paboanus (Claus) Pilg., Lophanthus chinensis (Rafin.) Benth., Lycopsis orientalis L., Najas marina L., Ostericum palustre (Besser) Besser, Phlox drummondii Hook. Besides, new localities of 19 species rare and endangered in Baikal Siberia are presented, i. e. Achillea nobilis L., Campanula sibirica L., Carduus nutans L., Carex gotoi Ohwi, Cotoneaster uniflorus Bunge, Dracocephalum thymiflorum L., Elodea canadensis Michx., Elymus ircutensis Peschkova, Festuca extremiorientalisOhwi, Fimbripetalum radians (L.) Ikonn., Gypsophila paniculata L., Listera ovata (L.) R. Br., Paeonia anomala L.,Plantago urvillei Opiz, Puccinellia distans (Jacq.) Parl., Sedum acre L., Stipa grandis P. A. Smirn., Tillaea aquatica L., Tussilago farfara L. Among the listed species, five (Arctopoa schischkinii, Festuca extremiorientalis, Listera ovata, Paeonia anomala, Tillaea aquatica) are included in the Red Data Books of Russian Federation, of the Irkutsk Region and the Republic of Buryatia. For each species, list of new localities, as well as general, ecological, and geographical remarks are presented.