condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.036997 0.0 0.110991 Mature Stem with Root 0.9634836666666666 0.793822 1.11092 Root 7.0389409999999994 0.0 20.3447