At: Phytotaxa, 224, 1 By: Lin Y.-X., Wong W. O.
journalAt: Journal of botany, British and Foreign, 41, 484 By: Salmon E. S.
journalAt: Review of Palaeobotany and Palynology, 109, 2 By: Li C.-S., Hueber F. M.
journalAt: Věstník Ústředního Ústavu Geologického, 47, 3 By: Drábek K.
bookAt: Chaidamu pendi lunzao huashi, Beijing, Kexue jishu wenxian chubanshe By: Tang L.-H., Di H.-S.
journalAt: Journal of the Botanical Research Institute of Texas, 14, 2 By: Poinar G. O., Chambers K. L.
journalAt: Proceedings and Collections of the Nebraska State Historical Society, Series 2, 2 By: Barbour E. H.
journalAt: Bulletin international / Académie Tchèque des Sciences, Class, Classe des sciences mathématiques, naturelles et de la medécine, 1948, 49 By: Pokorný V.
journalAt: Botanical Gazette, 144, 1 By: Pigg K. B., Rothwell G. W.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 238, 1-3 By: Schweitzer H.-J., Li C.-S.