At: Botanica Pacifica, 4, 2 By: Sun C.-L., Wang H.-S., Dilcher D. L., Li T., Li Y.-F., Na Y.-L.
journalAt: Journal of the Indian Botanical Society, 26 By: Billimoria J. J.
journalAt: Palaeontologia Africana, 19 By: Erasmus T.
journalAt: Journal of botany, British and Foreign, 65 By: Reid E. M.
journalAt: Review of Palaeobotany and Palynology, 252 By: Wang H.-S., Dilcher D. L.
journalAt: Journal of Environment and Earth Science, 6, 4 By: Kumarasamy D., Elayaraja M.
journalAt: Review of Palaeobotany and Palynology, 85, 3–4 By: Axsmith B. J., Taylor T. N., Delevoryas T., Hope R. C.
journalAt: Botanical Journal of the Linnean Society, 146, 2 By: Hao S.-G., Wang D.-M., Wang Q.
journalAt: Annals of the Carnegie Museum, 18, 2(Art. 4) By: Brooks B. W.
journalAt: Proceedings of the Pennsylvania Academy of Science, 2 By: Watt B. P.