"In north India, however, brāhmī is commonly identified as Centella asiatica (Linn.) Urban, which in Malayalam is known as muttil. It seems that this identification of brāhmī as C. asiatica has been in use for long in northern India, as Hēmādri's 'Commentary on Aṣṭāṅgahṛdayaṃ (Āyuṛvēdarasāyanaṃ) treats maṇḍūkapaṛṇī (C. asiatica) as a synonym of brahmi." Warrier, P K; Nambiar, V P K; C. Ramankutty, V.P.K.; Ramankutty, R Vasudevan Nair (1996). Indian Medicinal Plants: A Compendium of 500 Specie. Orient Blackswan. p. 238. ISBN9788125003014.