Pran Nath Mehra · 24 obras en el catálogoObrasRRecent advances in botanyRecent advances in botanyPPharmacognosy 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 fernsChromosome numbers in Himalayan fernsCChromosomes in Aneura indica StChromosomes in Aneura indica StAA study of the chromosome number in some Indian members of tA study of the chromosome number in some Indian members of the family CodoniaceaeCCytological evolution of ferns with particular reference to Cytological evolution of ferns with particular reference to Himalayan formsCChromosome number in Cryptomitrium Himalayense KashChromosome number in Cryptomitrium Himalayense KashAAbies and Juniperus complexes in the E. Himalayas with obserAbies and Juniperus complexes in the E. Himalayas with observations on Larix griffithii Hook. F. and Tsuga dumosa EichlerCCytology of East Indian grassesCytology of East Indian grassesCCytology of orchids of north-west HimalayasCytology of orchids of north-west HimalayasEEcology, structural adaptations and cultural aspects of someEcology, structural adaptations and cultural aspects of some Himalayan orchidsCCytological observations on Asplenium cheilosorum KunzeCytological observations on Asplenium cheilosorum KunzeCCytological observations on the Himalayan species of AthyriuCytological observations on the Himalayan species of Athyrium and comments on the evolutionary status of the genusCCytotaxonomic observations on some West Himalayan PteridaceaCytotaxonomic observations on some West Himalayan PteridaceaeRRecent cytological invesitgations in mossesRecent cytological invesitgations in mossesSSome aspects of differentiation in flowering plantsSome aspects of differentiation in flowering plantsGGametophytes of Himalayan fernsGametophytes of Himalayan fernsBB-Chromosomes in some Himalayan hardwoodsB-Chromosomes in some Himalayan hardwoodsCConquest of land and evolutionary patterns in early land plaConquest of land and evolutionary patterns in early land plantsEEvaluation of 325 USDA funded projects under the PL 480 ProgEvaluation of 325 USDA funded projects under the PL 480 ProgramEEvolution of spore through the agesEvolution of spore through the agesFFerns of MussoorieFerns of MussoorieFFifty photographsFifty photographs
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
CChromosome number in Cryptomitrium Himalayense KashChromosome number in Cryptomitrium Himalayense Kash
AAbies and Juniperus complexes in the E. Himalayas with obserAbies and Juniperus complexes in the E. Himalayas with observations on Larix griffithii Hook. F. and Tsuga dumosa Eichler
EEcology, structural adaptations and cultural aspects of someEcology, structural adaptations and cultural aspects of some Himalayan orchids
CCytological observations on Asplenium cheilosorum KunzeCytological observations on Asplenium cheilosorum Kunze
CCytological observations on the Himalayan species of AthyriuCytological observations on the Himalayan species of Athyrium and comments on the evolutionary status of the genus
CCytotaxonomic observations on some West Himalayan PteridaceaCytotaxonomic observations on some West Himalayan Pteridaceae
SSome aspects of differentiation in flowering plantsSome aspects of differentiation in flowering plants
CConquest of land and evolutionary patterns in early land plaConquest of land and evolutionary patterns in early land plants
EEvaluation of 325 USDA funded projects under the PL 480 ProgEvaluation of 325 USDA funded projects under the PL 480 Program