At: Argumenta Palaeobotanica, 1 By: Raabe H.
bookAt: Samml. Merckwürd. Natur, Nürnberg, Author [A. Bieling, typ.], [1] By: Knorr G. W.
bookAt: Shaanganning Pengdi Zhongshengda Diceng He Gushengwu, Beijing, Kexue Chuban She, 1 By: Qu L.-F.
journalAt: Fossilium Catalogus. Pars Plantae, 14 By: Edwards W. N., Wonnacott F. M.
journalAt: Acta Palaeobotanica, 45, 1 By: Walther H., Zastawniak E.
bookAt: Sapind. Foss. Monogr., Veronae, typis Ramanzinianis By: Massalongo A.
journalAt: Botanical Gazette, 150, 4 By: Bůžek Č., Kvaček Z., Manchester S. R.
journalAt: Canadian Journal of Botany, 68, 9 By: Erwin D. M., Stockey R. A.
journalAt: Journal of the Indian Botanical Society, 48 By: Chitaley S. D., Shallom L. J.
journalAt: Palaeobotanist, 1956, 5, 2 By: Navale G. K. B.