condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.28051033333333336 0.0 0.841531 Mature Stem with Root 0.168071 0.0 0.358471 Root 13.504205333333333 0.341966 39.064