Matsya Purana — Brahmā–Gāyatrī as a Divine Pair and the Early Genealogies of Creation
दक्षादनन्तरं वृक्षान् औषधानि च सर्वशः अजीजनत्सोमकन्या नदीं चन्द्रवतीं तथा //
dakṣādanantaraṃ vṛkṣān auṣadhāni ca sarvaśaḥ ajījanatsomakanyā nadīṃ candravatīṃ tathā //
After Dakṣa, Soma’s daughter brought forth, in every manner, the trees and all medicinal plants; and she also generated the river named Candravatī.
It describes creation (sarga), specifically the generation of plant life—trees and medicinal herbs—and the manifestation of a named river, Candravatī, rather than dissolution.
By foregrounding herbs and rivers as divinely generated supports of life, it implicitly supports dharmic duties like protecting forests, safeguarding water sources, and sustaining public health through proper stewardship of natural resources.
While no direct Vāstu rule is stated, the mention of a sacred river aligns with ritual geography: settlements, temples, and rites often prioritize proximity to pure water sources for bathing, offerings, and consecrations.