Azolla fragilis

Citations total:
4
link From To Geolocation Author - title Year
original Paleocene Montana Jain,R.K. et al. A contribution to the Early Tertiary fossil record of the Salviniaceae 1969
details Paleocene Nd Fowler,K. Megaspores and Massulae of Azolla prisca from the Oligocene of the Isle of Wight. 1975
details Nd Nd Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores 1990
details Paleocene USA Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. 1995