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2. Ferns from the Chinle Formation (Upper Triassic) in the Fort Wingate area, New Mexico;Ash;U. S. Geol. Surv. Prof. Pap.,1969
3. The Oligo-Miocene coal floras of southeastern Australia;Blackburn,1994
4. Palaeovegetation and Environment at Cethana, Tasmania;Carpenter,1991
5. Silcrete plant fossils from Lightning Ridge, New South Wales: new evidence for climate change and monsoon elements in the Australian Cenozoic;Carpenter;Aust. J. Bot.,2011