Nomenclatural novelties for the Euro + Med flora Author Banfi, Enrico Author Galasso, Gabriele Author Bartolucci, Fabrizio text Natural History Sciences 2018 2017-12-22 5 1 53 57 http://dx.doi.org/10.4081/nhs.2018.365 journal article 10.4081/nhs.2018.365 2385-0922 12753893 Bidens atrosanguinea (Hook.) Regel (≡ Cosmos diversifolius Otto ex Knowles & Westc. var. atrosanguineus Hook. Cosmos atrosanguineus (Hook.) Voss ).