condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.4956 0.0 10.4868 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.1590183333333335 0.0 2.67437 Root 0.40831 0.0 1.22493