Negi, H R (2002) Abundance and diversity moss communities of Chhopta-Tunganath in the Garhwak Himalaya. Journal of Bombay Natural History Society, 98 (3). pp. 418-433.

Negi, H R (2002) Assigning conservation value to macrolichens of nanda Devii Biosphee Reserve. International Journal of Ecology and Environmental Sciences, 28. pp. 210-10.

Negi, H R (2002) Cross-taxon surrogacy of biodiversity in the Indian Garhwal Himalaya. Biological Conservation, 105. pp. 143-55.

Negi, H R (2001) Lichens: a valuable bioresource for environemtnal monitoring and sustainable development. Resonance , 8 (1). pp. 51-58.

Hallan, Vipin and Mehra, A and Lal, Brij and Negi, H R and Zaidi, A A (2005) Sorbaria tomentosa – a new natural host for Potato virus Y(PVY) (PVY). Plant Pathology, 54 (4). p. 572.

Mahmood , U and Singh, Virendra and Kaul , V K and Lal, Brij and Negi, H R and Ahuja, Paramvir Singh (2005) Volatile constituents of the cold desert plant Dracocephalum heterophyllum Benth. Flavour and Fragrance Journal, 20 (2). pp. 173-175.

Lal, Brij and Negi, H R and Singh, R D and Ahuja, Paramvir Singh (2004) Medicinal uses of Dactylorhiza hatagirea among the natives of higher altitudes in western himalaya. Journal of Orchid Society of India, 18 (1-2). pp. 97-100.

csir, ihbt (2008) A PROCESS FOR EXTRACTION OF ESSENTIAL OIL FROM DRACOCEPHALUM HETEROPHYLLUM BENTH. 01447/DELNP/2003 (223451).