condition mean min max Sterile Frond 0.141658 0.0 0.424974 Fertile Frond 0.32252933333333333 0.0 0.802276 Young Stem with Root 2.5334566666666665 0.0 7.60037 Mature Stem with Root 0.67728 0.0 2.03184 Root 1.32186 0.0 3.96558