condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.157303333333333 0.0 9.47191 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.044942 0.0 0.134826 Root 0.3637476666666667 0.0 0.652084