condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.10944033333333332 0.0 0.328321 Young Stem with Root 0.124461 0.0 0.373383 Mature Stem with Root 0.06897199999999999 0.0 0.206916 Root 3.8768333333333334 0.0 11.6305