condition mean min max Sterile Frond 1.68171 0.0 5.04513 Fertile Frond 1.06741 0.0 3.20223 Young Stem with Root 4.790633333333333 0.0 14.3719 Mature Stem with Root 1.5295233333333333 0.0 4.58857 Root 1.535622 0.0 4.42352