At: Science, 355, aag2737 = 6320 By: Wilf P., Carvalho M. R., Gandolfo M. A., Cúneo N. R.
journalAt: Review of Palaeobotany and Palynology, 92, 1-2 By: Pole M. S., Macphail M. K.
journalAt: Cryptogamie, Series, Bryologie, 24, 4 By: Grolle R., Heinrichs J.
journalAt: Johns Hopkins University Studies in Geology, 13 By: Berry E. W.
journalAt: Pan-American Geologist, 51, 4 By: Berry E. W.
journalAt: American Museum Novitates, 527 By: Berry E. W.
journalAt: PhytoKeys, 139, 3 By: Wilf P.
journalAt: Taxon, 49, 3 By: Doweld A. B.
journalAt: Zeitschrift für Geschiebeforschung und Flachlandsgeologie, 12, 2 By: Eisenack A.
journalAt: Journal of the Botanical Research Institute of Texas, 1, 1 By: Poinar G. O., Chambers K. L., Buckley R.