condition mean min max Sterile Frond 3.190383 0.0 8.9306 Fertile Frond 0.6191243333333334 0.137266 1.53624 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0135817 0.0 0.0407451