condition mean min max Sterile Frond 3.8093000000000004 1.70144 5.64968 Fertile Frond 2.140366666666667 0.0 4.51602 Young Stem with Root 3.2597899999999997 1.93685 5.77337 Mature Stem with Root 7.51518 1.97799 13.5862 Root 0.2785916666666667 0.0 0.835775