condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.7618366666666666 0.0 2.28551 Mature Stem with Root 0.0 0.0 0.0 Root 3.2403399999999998 0.0 9.72102