condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.06529833333333333 0.0 0.195895 Mature Stem with Root 3.43573 0.0 9.14837 Root 0.17455299999999999 0.0 0.523659