At: Annals of Botany, New Series, 5, 18 By: Hemingway W.
journalAt: Bulletin of the Faculty of Arts and Sciences Ibaraki University, Series, Natural science, 12 By: Ôyama T.
journalAt: Quarterly Journal of the Geological Society of London, Part I, 22, 2=86 By: Dawson J. W.
journalAt: Proceedings of the American Philosophical Society, 17, 101 By: Lesquereux L. C.
journalAt: Proceedings and transactions of the Royal Society of Canada, 1892, 10, Section 4 By: Dawson J. W.
journalAt: Proceedings and transactions of the Royal Society of Canada, 1, Section 4 By: Dawson J. W.
journalAt: Journal of the College of Science, Imperial University of Tokyo, 40, Art. 8 By: Kryshtofovich A. N.
journalAt: Journal of the Linnean Society, Series, Botany, 47, 316 By: Bandulska H.
journalAt: Journal of the Linnean Society, Series, Botany, 48, 325 By: Bandulska H.
journalAt: Proceedings of the Geological Society of London, 1, 8 By: Buckland W.