condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.15144 0.0 6.45432 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.07031 0.0 0.115345 Root 0.37543533333333334 0.0 0.998229