condition mean min max Sterile Frond 0.7986666666666666 0.0 2.396 Fertile Frond 2.1214999999999997 0.0 6.3645 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.22718166666666664 0.0 0.681545