Ramayana
श्रूयते हि द्रुमः कश्चिच्चेत्तव्यो वनजीविभिः । सन्निकर्षादिषीकाभिर्मो चितः परमाद्भयात् ॥ २-८-३०
It is said that a tree intended to be cut down by those living on the forest is let off due to entanglement of a kind of grass known as Ishika (thorny bushes) growing in its vicinity ( So also, Dasaratha might have supported Bharata if he was staying near to him in Ayodhya ). ॥ 2-8-30॥
english translation
zrUyate hi drumaH kazciccettavyo vanajIvibhiH । sannikarSAdiSIkAbhirmo citaH paramAdbhayAt ॥ 2-8-30
hk transliteration by Sanscript