condition mean min max Sterile Frond 0.37733 0.0 0.623802 Fertile Frond 5.284256666666667 0.0 9.61442 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.06170596666666666 0.0 0.1528 Root 0.0 0.0 0.0