Skandapurana 3.2.7.79_35

3.2.7.79_35

evamāpyāyitā vatsa tena cāneka
bāṃdhavāḥ .. śrāddhaṃ kartumaśaktiścecchākairapi hi jāyate .. 96 ..

Thus, O child, many relatives are nourished by it. If one lacks the capacity to perform a śrāddha, it can be done even with vegetables.