On Two Compressed Palaeozoic Axes: Stigmaria ficoides in the Gymnostrobus condition and Vertebraria indica
- 1 July 1956
- journal article
- Published by Oxford University Press (OUP) in Annals of Botany
- Vol. 20 (3), 419-429
- https://doi.org/10.1093/oxfordjournals.aob.a083533