condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 7.579230333333333 0.463641 17.7262 Root 0.5051453333333333 0.220276 0.839118