condition mean min max Sterile Frond 4.187436 0.0 12.5165 Fertile Frond 2.158651 0.0 6.27968 Young Stem with Root 0.04592333333333334 0.0 0.13777 Mature Stem with Root 0.0150859 0.0 0.0452577 Root 0.0 0.0 0.0