At: Bulletin of the Museum of Comparative Zoology at Harvard College, in Cambridge, 7, 1 By: Lesquereux L. C.
journalAt: Bulletin de la Société Géologique de France, Series 7 [1965], 7, 3 By: Güvenç T.
journalAt: Micropaleontology, 9, 1 By: Peck R. E., Eyer J. A.
journalAt: Sborník Národního Muzea v Praze, Řada, Řada B, Přírodni vědy (Přírodovědný 1938-1957), 31, 3-5 By: Holý F.
journalAt: International Journal of Plant Sciences, 168, 2 By: Manchester S. R., Hickey L. J.
journalAt: American Journal of Botany, 86, 12 By: Hernandez-Castillo G. R., Cevallos-Ferriz S. R. S.
journalAt: Plant Systematics and Evolution, 165 By: Crane P. R., Friis E. M., Pedersen K. R.
journalAt: Acta Palaeobotanica, 49, 2 By: Krassilov V. A., Kodrul T. M.
journalAt: Proceedings of the Linnean Society of New South Wales, 88, 3 By: White M. E.
journalAt: Biologiske skrifter, 31 By: Friis E. M., Crane P. R., Pedersen K. R.