Azolla schopfi

Citations total:
20
link From To Geolocation Author - title Year
details Early Paleocene North America Nichols,D.J. et al. Palynological evidence of effects of the terminal Cretaceous event on terrestrial floras in Western North America. (In: Extinction events in earth history. IGCP, Proceeding of Project 216. E.G.Kauffman and O.H.Walliser, editors) 1990
details Paleocene USA Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. 1995
details Cretaceous Nd Ramanujam,C.G.K. et al. Remain of Azollaceae from Late Albian of Cauvery Basin and their evolutionary significance. 1996