condition mean min max Sterile Frond 0.289259 0.0 0.676096 Fertile Frond 3.598066666666667 0.0 9.42374 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.321228 0.0 0.963684 Root 0.0 0.0 0.0