condition mean min max Sterile Frond 0.541979 0.284322 1.05342 Fertile Frond 3.1436319999999998 0.908416 7.54022 Young Stem with Root 7.187071 0.856333 15.564 Mature Stem with Root 1.9271713333333333 0.976404 3.53317 Root 1.677465 0.428915 2.61239