Valmiki Ramayana Yuddha Kanda Sarga 22 Shloka 56
Original Shlokaसमूलांश्चविमूलांश्चपादपान् हरिसत्तमाः । इन्द्रकेतूनिवोद्यम्यप्रजह्रूर्वानरास्तरून् ।।6.22.56।।
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हरिसत्तमाः foremost of the Vanaras, समूलान् च along with the roots, विमूलान् च some without roots, पादपान् trees, इन्द्रकेतूनिव like Indra's flagstaff, उद्यम्य lifting up, प्रजह्रुः hurled वानरास्तरून् Vanaras thrown down (into the sea)
Lifting some trees with roots and some without roots like the staff of Indra's flag, Vanaras hurled down the trees into the sea.