condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 7.089933333333334 0.0 21.2698 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.053277333333333336 0.0 0.159832 Root 0.96305 0.0 2.88915