At: Geological Magazine, New Series, Decade 5, 4, 11 By: Seward A. C.
journalAt: Transactions of the Royal Society of Edinburgh, 53, 3 [Art. 29] By: Kidston R., Lang W. H.
journalAt: Transactions of the Royal Society of Edinburgh, 53, 2 By: Kidston R., Lang W. H.
journalAt: Taxon, 18, 6 By: Hall J. W.
journalAt: Japanese Journal of Botany, 13, 3 By: Ogura Y.
journalAt: Proceedings and transactions of the Royal Society of Canada, Series 3, 1, Section 4 By: Penhallow D. P.
journalAt: Proceedings of the Royal Society of London, 31, 208 By: Schroeter C. J.
journalAt: Revista Sudamericana de Botánica, 4, 1-2 By: Moldenke H. N.
journalAt: Quarterly Journal of the Geological Society of London, Part I, 37, 146 By: Dawson J. W.
journalAt: Botanical Gazette, 59, 4 By: Cockerell T. D. A.