The Jurassic flora from Grojec near Cracow in Poland. Part 1 - 1963
Occurrence of cordaitalean like foliage in the Lower Gondwana flora of India. - 1991
Lower Permian plant fossils from India and early developmental history of the Glossopteris Flora. - 1992
The aquatic plants Salvinia (Salviniales) and Limnobiophyllum (Arales) from the Late Miocene flora of Sosnica (Poland) - 2001
Palynological study of the Early Cretaceous Kurnub Sandstone Formation, Mahis area, Central Jordan - 2012
Morphology, affinities and phytogeographic history of Porosia Hickey in the Cretaceous and Paleocene of North America and Asia - 2014