Botryopteris Elliptica sp. nov. from the Upper Carboniferous of England

Fry, W. L. (1954). A study of the Carboniferous lycopod, paurodendron, gen. nov. Amer. Jour. Bot. 41(5): 415-428.

Long, A. G. (1943). On the occurrence of buds on the leaves of botryopteris hirsuta. Ann. Bot. 7: 133-146.

Mamay, S. H. & Andrews, A. N. (1950). A contribution to our knowledge of the anatomy of Botryopteris. Bull. Torr. Bot. Club. 77(6): 462-494.

Scott, D. H. (1920). Studies in fossil botany. 1. London.

Surange, K. R. (1952). The morphology of Botryopteris antiqua with some observations on Botryopteris ramosa. Te Palaeobotanist (Birbal Sahni Memorial Volume). 1: 420-434.

Williamson, W. C. (1878-1891). On the organization of the fossil plants from the Coal Measures. Pts. 9, 15 and 18. Phil. Trans. Roy. Soc. London. Series B.