condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.610466666666667 0.0 10.8314 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.6110433333333332 0.0 4.83313 Root 0.0 0.0 0.0