At: Annual Report of the Board of Regents, Smithsonian Institution, 1918 By: Berry E. W.
journalAt: Review of Palaeobotany and Palynology, 29, 1-2 By: Vaudois-Miéja N.
journalAt: Alcheringa, 35, 2 By: Cantrill D. J., Tosolini A.-M. P., Francis J. E.
journalAt: Professional Papers / United States Geological Survey, 375 By: Brown R. W.
journalAt: Journal of the Royal Society of New Zealand, 28, 3 By: Pole M. S.
journalAt: Review of Palaeobotany and Palynology, 246 By: Horiuchi J., Uemura K.
journalAt: Palynology, 44, 3 By: Smith V., Warny S., Jarzen D. M., Demchuk T. D., Vajda V., Gulick S. P. S.
journalAt: Journal of the Botanical Research Institute of Texas, 4, 2 By: Poinar G. O., Rosen D. J.
journalAt: International Journal of Plant Sciences, 171, 8 By: Jud N. A., Rothwell G. W., Stockey R. A.
journalAt: Trudy Biologo-Pochvennogo Instituta Dal'nevostochnogo Nauchnogo Tsentra Akademii Nauk SSSR, 1975, 27(130) By: Schorochova S. A.