condition mean min max Sterile Frond 0.048677 0.0 0.146031 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.2127869999999996 0.0 9.09649 Root 0.488822 0.0 0.74486