condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.46090000000000003 0.0 1.3827 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.37464000000000003 0.0 1.12392 Root 2.9164366666666663 0.0 7.11809