condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.1652898999999999 0.0793397 2.11704 Young Stem with Root 2.2171168 0.0737264 6.11657 Mature Stem with Root 0.1057483 0.0760272 0.149065 Root 0.0 0.0 0.0