Sahu, Vinay, and A. K. Asthana. “A Study on Photomorphogenesis of Protonema and Bud Formation in <I>Pohlia ludwigii< I> (Spreng. Ex Schwägr.) Broth”. Indian Forester, vol. 144, no. 8, Aug. 2018, pp. 781-3, doi:10.36808/if/2018/v144i8/132219.