condition mean min max Sterile Frond 2.7550933333333334 0.172774 7.64436 Fertile Frond 1.888364 0.143722 4.97875 Young Stem with Root 1.802071 0.214961 4.92795 Mature Stem with Root 4.467659 0.0 13.0074 Root 0.4203503333333333 0.0 1.05592