Mudgalapurana 5.27.1

5.27.1

dakṣa uvāca |
dūrvāyāścaritaṃ harṣakārakaṃ brūhi mudgala |
aho śamyāsamaṃ nāsti mandāreṇa pavitrakam ||

Dakṣa said:
Relate the joy-giving deed of the dūrvā grass, O Mudgala.
Ah, there is nothing as purifying as the śamī along with the mandāra!