condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.14421 0.0 0.43263 Young Stem with Root 0.7618366666666666 0.0 2.28551 Mature Stem with Root 0.0 0.0 0.0 Root 16.0817 0.0 48.2451