- Black stone flower or kalpasi – With its mild aromatic flavour, Kalpasi is used to add aroma to soup preparations and also as a soup thickener and in Biryani.
- kalpasi, is a species of lichen used as spice in India. The species occurs throughout the temperate Northern and Southern Hemispheres
- Kalpasi is generally used in combination with other spices like cardamom, cloves, bay leaves, cinnamon, nutmeg, star anise, saffron, peppers etc. for flavor.
- Kal Pasi or Dagad ka Phool or Patthar ka phool / Black Stone Flower / Kalu Pacchi / Ratthi pavalu / Kallu houvu is a particular variety of lichen used in Indian cooking.