condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 8.551866666666667 0.0 25.6556 Mature Stem with Root 0.8401059999999999 0.0 2.18889 Root 0.0 0.0 0.0