condition mean min max Sterile Frond 0.7279096666666667 0.0 1.41213 Fertile Frond 2.524914 0.351202 5.53931 Young Stem with Root 1.290422 0.394839 2.48728 Mature Stem with Root 1.9304903333333332 0.273181 3.72044 Root 0.321897 0.0 0.592767