Contents: 1. Introduction. 2. Systematic list. 3. Systematic account. 4. Discussion. Acknowledgements. References.
From the introduction: Himachal Pradesh is a state in India. It is a hill state in the Western Himalaya with varied topography and agroclimatic conditions. It is altitude ranges from 350 m to 6000 m above the sea level. It is bordered by the Indian states of Jammu and Kashmir on North, Punjab on West and South-West, Haryana and Uttar Pradesh on South, Uttarakhand on South-East and form the international boundary with Tibetan part of China on the East. The literal meaning of Himachal Pradesh is region of snowy mountains. The hills of Himalayas in state are characterized by important ranges i.e. Shiwalik Lesser Himalayas, Dhauladhar Middle Himalayas, Pir Panjal great Himalayas, Zanskar and Karakoram Trans Himalayas. Himachal Pradesh (fig. 2) is administratively divided into 12 districts viz. Kangra, Hamirpur, Bilaspur, Mandi, Kullu, Lahaul and Spiti, Kinnaur, Chamba, Shimla, Solan, Sirmour and Una. The climate varies from semi-tropical to semi-arctic depending on the altitude of the region.