At: Japanese Journal of Botany, 13, 4 By: Watari S.
journalAt: Botanical Magazine, 64, 751-752 By: Watari S.
journalAt: Proceedings of the Royal Society of London, Series, B, Biological sciences, 81, 551 By: Stopes M. C., Fujii K.
journalAt: Philosophical transactions of the Royal Society of London, Series, B, containing papers of a biological character (later Biological sciences), 201, 274 By: Stopes M. C., Fujii K.
journalAt: Journal of the Faculty of Science, Imperial University of Tokyo, Section, 3, Botany, 1, 4 By: Yasui K.
journalAt: Palaeobotanist, 1964, 13, 2 By: Roy S. K.
journalAt: Bergens Museums Skrifter, Ny Række, 1, 2 By: Holmboe J.
bookAt: Studii Geol. Paleont. Lombardia, Milano, presso Carlo Turati tipografo-editore By: Stoppani A.
bookAt: Stud. Paleont., Verona, dalla tip. di G. Antonelli & Giorgio Franz in Monaco By: Massalongo A.
bookAt: Stud. Fl. Foss. Senigall., Imola, Tipografia d'Ignazio Galeati e figlio By: Massalongo A., Scarabelli G.