Rare Fossil Algal, Fungal and Riccia Spores Isolated from Sonda Coal Deposits, District, Thatta, Sindh, Pakistan

Sultan Mahmood Leghari, M.A. Sahito, Z.A. Nizamani and M.A. Baryar

Journal of Biological Sciences 1 ( 3 ): 173 - 174 , 2001