Shiva Purana
पुष्पैश्च शतपत्रैश्च करवीरैस्तथा पुनः ॥ अष्टभिर्नाममंत्रैश्चार्पयेत्पुष्पाणि शंकरे ॥ ५३ ॥
Again Śiva shall be worshipped with lotus and and Karavīra flowers. The devotee shall offer the flowers with the eight Nāmamantras to Śiva.
english translation
puSpaizca zatapatraizca karavIraistathA punaH ॥ aSTabhirnAmamaMtraizcArpayetpuSpANi zaMkare ॥ 53 ॥
hk transliteration by Sanscript