condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.008782833333333333 0.0 0.0263485 Mature Stem with Root 0.0 0.0 0.0 Root 20.323933333333333 0.0 60.9718