1. Early Cretaceous flora from Zygansk and the adjacent area of the Lena Basin;Abramova;Nauchno-Issled. Inst. Geol. Arktiki, Uch. Zap. Palaeontol. Biost. B,1970
2. Die liassische flora des Hoer sandsteins;Antevs;K. Sven. Vetensk. Acad. Handl. (Stockholm),1919
3. The earlier Mesozoic floras of New Zealand;Arber;N.Z. Geol. Surv. Palaeontol. Bull.,1917
4. Flora of the Shemshak Formation, 2. Liassic plants from Shemshak and Ashtar;Barnard;Riv. Ital. Paleontol. Parma,1967
5. Flora of the Shemshak Formation (Elburz, Iran), 3. Middle Jurassic (Dogger) plants from Katumbargah Vasek Gah and Imam Manak;Barnard;Palaeontographica B,1976