condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.47052 0.0 1.41156 Young Stem with Root 0.13353496666666667 0.0 0.322868 Mature Stem with Root 1.037314 0.157092 1.59805 Root 5.996822 0.735045 16.3883