condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.30586433333333335 0.0 0.917593 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.60909 0.0 1.22978 Root 4.1529533333333335 0.201869 12.0314