Paleozoic spores obtained by the maceration of fertile ferns.
Foreign title:
Durch Mazeration Fertiler Farne des Palaozoikums Gewonnene sporen.
Reference:
Remy,W. et al. (1957)
Paleozoic spores obtained by the maceration of fertile ferns. [ Durch Mazeration Fertiler Farne des Palaozoikums Gewonnene sporen. ] Pal¤eontologische Zeitschrift
Vol. 31 # 1 P. 55- 65