condition mean min max Sterile Frond 0.414253 0.13021 0.593444 Fertile Frond 2.5322199999999997 1.22158 4.01258 Young Stem with Root 0.09429799999999999 0.0 0.282894 Mature Stem with Root 0.430017 0.164801 0.943784 Root 2.110421666666667 0.197316 5.69479