condition mean min max Sterile Frond 2.617122333333333 0.382895 6.66911 Fertile Frond 0.44680000000000003 0.0 1.3404 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0