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journalAt: Phytomorphology, 39, 2-3 By: Acharya S., Roy S. K.
journalAt: Botanical Journal of the Linnean Society, 133, 1 By: Poole I., Wilkinson H. P.
journalAt: Journal of Plant Research By: Takahashi M., Herendeen P. S., Xiao X.-H.
journalAt: Brittonia, 29, 3 By: Gensel P. G., Skog J. E.
journalAt: Journal of the Geological Society of Tokyo, 25, 297 By: Kryshtofovich A. N.
journalAt: Geodiversitas, 41, 3 By: Mantzouka D., Sakala J., Kvaček Z., Koskeridou E., Ioakim C.
journalAt: Records of the Geological Survey of India, 1938, 73, 2 By: Chowdhury K. A.