condition mean min max Sterile Frond 5.93344 2.25994 13.0254 Fertile Frond 1.9785563333333334 0.42212 5.06783 Young Stem with Root 1.39338 1.23166 1.56963 Mature Stem with Root 1.8874 0.0 4.88864 Root 1.1123766666666668 0.0 2.19131