condition mean min max Sterile Frond 0.118981 0.0 0.356943 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.9505443333333337 0.169913 7.42452 Root 0.17584566666666665 0.0 0.343124