condition mean min max Sterile Frond 0.5227533333333333 0.0 1.56826 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 6.561953333333333 0.0 18.2671