condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.6014833333333334 0.0 1.80445 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.176489 0.162937 8.77473 Root 1.086053 0.0 2.73881