Studies on weed flora of Theog and Kotkhai area of Himachal Pradesh

Abstract

The present investigation “Studies on weed flora of Theog and Kotkhai area of Himachal Pradesh” was undertaken to study the plant wealth of the area with main emphasis on weed flora. The study area lies between North latitudes 31o-5´ and 31o-10´ and East longitudes 77o-22´-30´´ and 77o-30´. This area is mostly situated in the west of Shimla District, from where, a total of 26 weeds were collected which belongs to 19 families. Samples of each species were collected, dried according to the standard procedure. For each weed species, common names, distribution, description, habitat, flowering and fruiting time was collected following the available literature. The aim of the study was to gather knowledge about the different weeds of the area and their habit which can be utilized for future reference and further research purposes, so as to make preventive measures to avoid loss from these weeds to existing vegetation.