condition mean min max Sterile Frond 5.087526666666667 0.80671 13.4122 Fertile Frond 1.627905333333333 0.261664 4.35657 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.309004 0.0 0.484096 Root 0.03854 0.0 0.11562