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 9.2673413 0.0567439 24.0427 Root 0.8754603333333334 0.0 1.64159