RRecent advances in botanyRecent advances in botanyde Pran Nath Mehra, Premnath KachrooMateriasBotanyEdiciones (1)Recent advances in botany (1976)Bishen Singh Mahendra Pal Singh · inglésMás obras de Pran Nath MehraPPharmacognosy of Indian substitutes of male fernPharmacognosy of Indian substitutes of male fernCCytology of West Himalayan Betulaceae and SalicaceaeCytology of West Himalayan Betulaceae and SalicaceaeCChromosome numbers in Himalayan ferns
CCytology of West Himalayan Betulaceae and SalicaceaeCytology of West Himalayan Betulaceae and Salicaceae
AA study of the chromosome number in some Indian members of tA study of the chromosome number in some Indian members of the family Codoniaceae
CCytological evolution of ferns with particular reference to Cytological evolution of ferns with particular reference to Himalayan forms