condition mean min max Sterile Frond 0.747744 0.0 1.34177 Fertile Frond 3.90667 1.14205 8.02325 Young Stem with Root 8.7718 0.0 26.3154 Mature Stem with Root 9.00737 2.73261 13.9734 Root 14.719108666666667 0.424206 38.2843