Author: Delevoryas T. & Taylor T.N.,
Title: A probable pteridosperm with eremopterid foliage from the Allegheny group of Northern Pennsylvania
Description: 1969. In 8vo, original wrappers, pp. 14 with 11 figs. Posti˜˜a n. 133

Keywords: pteridopserms


See more books from our catalog: Botany