condition mean min max Sterile Frond 3.08073 0.0 6.12711 Fertile Frond 3.689326 0.667218 6.36758 Young Stem with Root 1.9760756666666666 0.758087 2.8097 Mature Stem with Root 5.973834 0.294762 15.461 Root 1.0443 0.0 3.1329