Garudapurana 2.32.96

2.32.96

darbhatūlī nayetsvargamāturaṃ tu na saṃśayaḥ /
tilairdarbhaiśca niḥ kṣiptaiḥ snānaṃ kratumayaṃ bhavet //

A bed of darbha grass leads the afflicted person to heaven, no doubt;
when sesame seeds and darbha grass are cast down, the bath becomes equal to a Vedic sacrifice.