condition mean min max Sterile Frond 11.78283 2.41119 17.9098 Fertile Frond 10.57089 4.90657 15.2185 Young Stem with Root 9.82775 6.91912 15.3099 Mature Stem with Root 8.025596666666667 4.87237 10.4314 Root 2.2757899999999998 1.65338 3.12833