condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.9830433333333335 0.0 5.94913 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.482389 0.0 1.27745 Root 0.0 0.0 0.0