condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.134983 0.0 0.404949 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.5432966666666668 1.12044 1.85445 Root 77.48659333333333 0.0 230.02