At: Dyas, Leipzig, W. Engelmann, 2 By: Geinitz H. B.
journalAt: Journal of the Indian Botanical Society, 58 By: Trivedi B. S., Misra J. P.
journalAt: Indian Journal of Geology, 2007, 79, 1–4 By: Khan M. A., Bera S.
journalAt: Byulleten’ Moskovskogo Obshchestva Ispytatelei Prirody, Otdel, Otdel geologicheskii, 76, 4 By: Doweld A. B.
journalAt: New Phytologist, 185, 1 By: Hao S.-G., Xue J.-Z., Guo D., Wang D.-M.
journalAt: Annales Societatis Geologorum Poloniae, 85, 1 By: Karasev E. V., Turnau E.
journalAt: University of Louisville studies in paleontology and stratigraphy, 13 By: Wang Z., Conkin J. E., Huang R.-J., Lu H.-N.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 179, 5-6 By: Retallack G., Dilcher D. L.
journalAt: Review of Palaeobotany and Palynology, 121, 2 By: Sun G., Dilcher D. L.
journalAt: Systematic Botany, 18, 2 By: Crane P. R., Pedersen K. R., Friis E. M., Drinnan A. N.