condition mean min max Sterile Frond 0.21736733333333333 0.0 0.652102 Fertile Frond 0.873551 0.0 1.63266 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 7.6659 0.0 22.9977 Root 0.19888799999999998 0.0 0.596664