condition mean min max Sterile Frond 1.384375 0.225365 2.58599 Fertile Frond 2.9525033333333335 0.0 7.19963 Young Stem with Root 1.23168 0.0 3.69504 Mature Stem with Root 0.06506233333333333 0.0 0.195187 Root 4.3438 0.0 13.0314