Books by Pran Nath Mehra
Cytology of orchids of north-w
Cytology of orchids of north-west Himalayas
Ecology, structural adaptation
Ecology, structural adaptations and cultural aspects of some Himalayan orchids
Evaluation of 325 USDA funded
Evaluation of 325 USDA funded projects under the PL 480 Program
Chromosomes in Aneura indica S
Chromosomes in Aneura indica St
Abies and Juniperus complexes
Abies and Juniperus complexes in the E. Himalayas with observations on Larix griffithii Hook. F. and Tsuga dumosa Eichler
Evolution of spore through the
Evolution of spore through the ages
Cytology of West Himalayan Bet
Cytology of West Himalayan Betulaceae and Salicaceae
Conquest of land and evolution
Conquest of land and evolutionary patterns in early land plants
Pharmacognosy of Indian substi
Pharmacognosy of Indian substitutes of male fern
Chromosome numbers in Himalaya
Chromosome numbers in Himalayan ferns
Cytological evolution of ferns
Cytological evolution of ferns with particular reference to Himalayan forms
Chromosome number in Cryptomit
Chromosome number in Cryptomitrium Himalayense Kash
Ferns of Mussoorie
Ferns of Mussoorie
A study of the chromosome numb
A study of the chromosome number in some Indian members of the family Codoniaceae