Contents: 1. Introduction. 2. Himalayan glaciers. 3. Glacial physiography. 4. Habitats. 5. Periglacial plant adaptations. 6. Floristic studies. 7. Periglacial floristic spectrum. 8. Threats. 9. Occupancy trend analysis. 10. Impact on flora. 11. Survival strategies. 12. Prime vulnerables. 13. References. Appendix.