Chrysopogon fulvusGrass Species / By Rajaji NP Chrysopogon fulvus (Dhaulu) Reddish-Yellow Beared Grass or Dhaulu is a mountain grass with stems densely clustered. Reddish-Yellow Beard grass is found in Tropical Asia and East Africa. It is found in the lower Himalayas, at altitudes of 300-900 m. flowering: October-December.