Flower in Her Hair

Anime & Manga

 * The Sonoda sisters of Sakura Trick each have a pair of flowers they're always seen wearing.

Western Animation

 * Cindy Bear, girlfriend of Yogi Bear, wears a large daisy behind her ear.
 * Zoey from Total Drama Revenge of the Island.
 * Velma at the end of the Scooby-Doo, Where Are You! episode "A Tiki Scare Is No Fair," where she's in a Hawaiian grass skirt doing the hula.