condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.6633033333333334 0.0 1.98991 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.027432 0.836776 9.78626 Root 0.0 0.0 0.0