At: Botanical Gazette, 21, 7 By: Hollick A.
journalAt: American Journal of Botany, 25, 5 By: Boeshore I. P., Jump J. A.
journalAt: Canadian Journal of Botany, 53, 16 By: Andrews H. N., Gensel P. G., Kasper A. E.
journalAt: Journal of the Geological Society of Tokyo, 27, 322 By: Kryshtofovich A. N.
journalAt: Palaeobotanist, 1978, 27, 2 By: Mahabalé T. S., Kulkarni K. M.
journalAt: Bulletin of the Torrey Botanical Club, 20, 4 By: Hollick A.
journalAt: Current Science, 92, 6 By: Paul S. K., Ram-Awatar, Mehrotra R. C., Sharma A., Phartiyal B., Dorjey C. P.
journalAt: International Journal of Plant Sciences, 163, 3 By: Wang Y., Xu H.-H.
journalAt: Annals of the Missouri Botanical Garden, 43, 4 By: Andrews H. N., Alt K. S.
journalAt: American Journal of Botany, 25, 5 By: Cribbs J. E.