Contributions to the knowledge of Azolla indica sp.nov. from the Deccan Intertrappean series, Madhya Pradesh, India.
Reference:
Trivedi,B.S. et al. (1971)
Contributions to the knowledge of Azolla indica sp.nov. from the Deccan Intertrappean series, Madhya Pradesh, India. Pal¤eontographica Abteilung B
Vol. 136 # 1 P. 71- 82