condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 42.35518666666667 5.58286 105.63 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.03631966666666667 0.0 0.108959