condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.39032 0.88443 4.71205 Young Stem with Root 18.123829999999998 1.12859 41.7489 Mature Stem with Root 1.7871569666666667 0.0472289 4.6314 Root 7.947819633333333 0.0212929 22.9157