condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.3674033333333335 0.0 4.10221 Young Stem with Root 0.0620356 0.0 0.0969113 Mature Stem with Root 8.319153333333333 0.93686 13.3122 Root 0.842584 0.223869 1.92484