[1]
Swamy, P.M. and Sudhakara Rao, G. 1969. Occurrence of Four Species of <I>Ophioglossum</I> in Andhra Pradesh. Indian Forester. 95, 2 (Feb. 1969), 128–129. DOI:https://doi.org/10.36808/if/1969/v95i2/26057.