condition mean min max Sterile Frond 0.05873433333333333 0.0 0.176203 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 9.5934 0.0 28.7802 Root 0.22435533333333335 0.0 0.673066