The present paper deals with ecological relationships of insects (Arthropoda – Animalia) with ferns (Pteridophyta-Plantae). It is based on field observations during the collection of ferns from various areas of Garhwal particularly Chamoli and Rudraprayag districts.
The present study was carried out on the phytochemical evaluation of Adiantum incisum Forssk. (Adiantiaceae) in Doon valley, situated in foot hills of Himalayas. Dried plant material was subjected to soxhlet extraction using seven different solvents in the increasing order of their polarity. Phytochemical screening showed the presence of alkaloids, proteins, carbohydrates, cardiac glycosides, saponins, tannins and phenols, triterpenoids in different extracts of the plant while the absence of flavonoids, steroids, fats and oils in all the extracts.
The present paper deals with 198 taxa of Pteridophytes from Dehra Dun District of Uttarakhand. Location, general vegetation, brief ecological classification along with distributional list of these plants in different valleys of Dehra Dun is provided in table form. The information provided herewith is based on the authors own observation, coupled with the fragmented earlier published literature and specimens housed in different herbaria i.e. BSD, DD, CAL, LWG, etc. List of threatened taxa along with the uses of pteridophytic vegetation in the area is also provided.
The present paper deals with 27 species, which are additions to the fern flora of Pauri district of Uttarakhand state. Each species in provided with correct botanical name and the basionym (if any). Nomenclature has been made up to date.
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