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journalAt: Annales des Sciences Naturelles, Series, Botanique, Series 6, 1 By: Renault B.
journalAt: Comptes rendus hebdomadaires des séances de l’Académie des Sciences, Paris, 83, 11 By: Renault B.
journalAt: Bulletin de la Société Géologique de France, Series 4, 20, 1–3 By: Reid E. M.
journalAt: International Journal of Plant Sciences, 173, 8 By: Ryberg P. E., Rothwell G. W., Stockey R. A., Hilton J., Mapes G., Riding J. B.
journalAt: International Journal of Plant Sciences, 180, 7 By: Backer M., Bomfleur B., Kerp H.
journalAt: International Journal of Plant Sciences, 161, 3 By: Ramírez J. L., Cevallos-Ferriz S. R. S., Silva-Pineda A.
journalAt: Anais da Academia Brasileira de Ciências, 80, 3 By: Salvi J., Jasper A., Ricardi-Branco F., Bernardes-de-Oliveira M., Guerra-Sommer M.
journalAt: Acta Palaeobotanica, 55, 2 By: Kvaček Z.
journalAt: Časopis pro mineralogii a geologii, 27, 4 By: Vavrdová M.