Valmiki Ramayana 2.91.46

अलम्बुसा मिश्रकेशी पुण्डरीकाथ वामना ।उपानृत्यंस्तु भरत भरद्वाजस्य शासनात्॥

alambusā miśrakeśī puṇḍarīkātha vāmanā |upānṛtyaṃstu bharata bharadvājasya śāsanāt ||

Our plain-language meaning of this verse is waiting for scholar review.