Ahlawat, A.S. and Dagar, J.C. 1980. Effect of Different PH Light Qualities and Some Growth Regulators on Seed Germination of <I>Bidens biternata</I> (Lour.) Merr and Sherff. Indian Forester. 106, 9 (Sep. 1980), 617–620. DOI:https://doi.org/10.36808/if/1980/v106i9/11240.