condition mean min max Sterile Frond 3.045553333333333 0.0 9.13666 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.14136733333333332 0.0 0.424102 Root 0.0 0.0 0.0