condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 9.827861 0.912883 25.6742 Young Stem with Root 0.0463686 0.0 0.112012 Mature Stem with Root 0.012250833333333334 0.0 0.0367525 Root 0.10836433333333334 0.0 0.325093