Mudgalapurana 3.15.26

3.15.26

vatsaro rudrarūpo'yaṃ tathā kālaḥ prakāśate |
mahālaye samutpanne layamoṣadhayo gatāḥ ||

Bearing the form of Rudra, the vatsara time shines forth. / When the great dissolution occurs, the plants have gone to dissolution;