condition mean min max Sterile Frond 1.39018 0.0 2.90793 Fertile Frond 0.6546383333333333 0.0 0.982564 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 5.8627736666666665 0.0 17.1385 Root 0.14799199999999998 0.0 0.443976