Xanthium

Citations total:
4
link From To Geolocation Author - title Year
details Middle Pliocene USSR(Russian Platform) Ananova,E.N. On the Russian Plain vegetation during the Pliocene according to palynological data 1962
details Late Pliocene USSR(Russian Platform) Ananova,E.N. On the Russian Plain vegetation during the Pliocene according to palynological data 1962
details Middle Miocene Colorado Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) 1969
details Late Neogene Pleistocene Ethiopia Bonnefille,R. Evidence for a Cooler and Drier climate in the Ethiopian Uplands Towards 2.5 Myr Ago 1983