I just think they looks neat -- Found in pretty much anywhere, but most commonly in Dark Opal Forest and Autivale Island

--DATABANK--
This clover emits an everlasting glow. Growing in clusters, they can be found across the Dark Opal Forest, most notably near cave entrances. They doesn't decay, and not only will keep glowing, but would last forever, making them a good decoration choice for various items. They are believed to bring good luck to people who wears them on a pendant.