condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.12532033333333334 0.0 0.375961 Mature Stem with Root 1.5183333333333333 0.0 2.43805 Root 4.36295 0.0 11.418