Cosmo: This flower is the most common, as it's location is nearly seen on the planet. The Stardust (the pollen) is white as an attraction to Comettails and Metebuzz. Common colors for the petals are blue, purple, white, and emerald. Red, yellow, and black are rare.
Five-point Leaf Star Tree: Though Nebu wood and Shooting Pine are also very common, There are more forests with these than any other. The Illumis don't change color by enviroment alone. They also change by tempurature and season.