condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 30.4611 21.7382 38.9289 Young Stem with Root 216.17836666666665 35.2856 521.982 Mature Stem with Root 928.5776666666667 293.823 2113.78 Root 3132.5 1179.47 6016.45