B. D.  Sharma, ?Fungal associations in the roots of three species of Isoetes L.?, Aquatic Botany, vol. 61, no. 1, pp. 33 - 37, 1998.

B. D.  Sharma and Bohra, D. R., ?The ligule of Isoetes - A prophyllar structure?, Phytomorphology: An International Journal of Plant Morphology, vol. 52, no. 1, pp. 17 - 22, 2002.

B. D.  Sharma and Purohit, S. N., ?Morphology of labium/velum in Isoetes L.?, Phytomorphology: An International Journal of Plant Morphology, vol. 51, no. 1, pp. 57 - 61, 2001.

B. D.  Sharma, ?Fungal Associations with Isoetes Species?, American Fern Journal, vol. 88, no. 3, pp. 138 - 142, 1998.

B. D.  Sharma, ?Anatomy of scales and phyllopodia of Isoetes of Rajasthan?, Phytomorphology: An International Journal of Plant Morphology, vol. 48, no. 3, pp. 269 - 272, 1998.