Singh, S.K., Shukla, S.K., Dubey, N.K. and Shukla, P.K. 2018.

Isoetes ×gopalkrishnae (Isoetaceae), a new interspecific sterile hybrid from central India

. Phytotaxa. 362, 1 (Jul. 2018), 68–76. DOI:https://doi.org/10.11646/phytotaxa.362.1.5.