condition mean min max Sterile Frond 0.10585800000000001 0.0 0.317574 Fertile Frond 0.4253963333333333 0.0 0.640624 Young Stem with Root 0.15644266666666667 0.0 0.469328 Mature Stem with Root 0.402211 0.0 0.872337 Root 4.28295 0.0 10.616