condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.4762866666666667 0.0 1.42886 Young Stem with Root 4.5891 0.0 13.7673 Mature Stem with Root 0.0 0.0 0.0 Root 1.5322533333333332 0.0 4.59676