Chinese mesona (Mesona chinensis), the mint-family plant used to make grass jelly, comes in a number of varieties. The best and purest grows wild at high altitudes. The second best is the juicy improved strain Chianong No. 26.
仙草種類以高山野生的最好、最乾淨，其次是嘉農 26 號改良種，品質佳、汁又多。