Shiva Purana
औषध्यः फलमूलानि रोमभ्यस्तस्य जज्ञिरे ॥ गायत्रीं च ऋचं चैव त्रिवृत्साम रथंतरम् ॥ ५८ ॥
Herbs, fruits and roots grew from his hair. The Gāyatrī, Ṛg, Trivṛtsa and Rathāntara are also mentioned.
english translation
auSadhyaH phalamUlAni romabhyastasya jajJire ॥ gAyatrIM ca RcaM caiva trivRtsAma rathaMtaram ॥ 58 ॥
hk transliteration by Sanscript