condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.9738593333333334 0.0 5.05292 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.89228 0.0 2.67684