At: Acta Biologica (Szeged), 31, 1-4 By: Juhász M., Smirnova S. B.
journalAt: Botanicheskii Zhurnal, 76, 6 By: Samylina V. A.
journalAt: Geophytology, 24, 2 By: Bande M. B., Srivastava R.
journalAt: Palaeobotanist, 49, 3 By: Srivastava R., Guleria J. S.
journalAt: Journal of the Elisha Mitchell Scientific Society, 112, 1 By: Mickle J. E.
journalAt: Acta Palaeobotanica, 58, 1 By: Uhl D., Poschmann M.
journalAt: Canadian Journal of Botany, 63, 2 By: Crane P. R., Stockey R. A.
journalAt: International Journal of Plant Sciences, 153, 2 By: Trivett M. L.
bookAt: Grundr. Krypt.-Kunde, Breslau, Verlag von Eduard Trewendt By: Körber G. W.
bookAt: Grundz. Bot., Wien, C. Gerold By: Endlicher S. L., Unger F.