condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 6.426678333333333 0.349595 16.7993 Root 0.36039766666666667 0.0 0.759098