Naithani, H. B. (1981). <I>Broussonetia kampferi</I> Sleb. & Zucc, and <I>Rhododendron obtusum</I> (Lindl.) Planch. New to Indian Flora. Indian Forester, 107(9), 585–588. https://doi.org/10.36808/if/1981/v107i9/11078