At: Abhandlungen des Staatlichen Museums für Mineralogie und Geologie zu Dresden, 19 By: Walther H.
journalAt: Botaniska Notiser, 1953, 1 By: Berger W.
bookAt: Stud. Foss. Bot., London, A. & C. Black By: Scott D. H.
bookAt: Stud. Foss. Bot., London, A. & C. Black, 2, 1 By: Scott D. H.
bookAt: Stud. Foss. Bot., London, A. & C. Black, 2, 2 By: Scott D. H.
bookAt: Stud. Foss. Bot., London, A. & C. Black, 3, 1 By: Scott D. H.
bookAt: Stud. Foss. Bot., London, A. & C. Black, 3, 2 By: Scott D. H.
journalAt: Palaeobotanist, 2001, 50, 2-3 By: Agashe S. N., Kumar M. S. S.
bookAt: Developm. & Comp. Aspects Pl. Str. & Funct., Allahabad, Society of Indian Plant Taxonomists [printed by Catholic Press, Ranchi, Bihar] By: Agashe S. N., Prasad K. R.
bookAt: Proc. 5th Indian Geophyt. Conf. 1983, Lucknow, The Palaeobotanical Society By: Agashe S. N., Prasad K. R.