condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.46032999999999996 0.0 1.38099 Young Stem with Root 0.6167853333333333 0.0 1.28022 Mature Stem with Root 8.511943333333333 1.26288 21.3833 Root 2.662254 0.606362 4.71296