condition mean min max Sterile Frond 0.38819000000000004 0.0 1.16457 Fertile Frond 4.902826 0.0 13.9176 Young Stem with Root 1.02511 0.0 3.07533 Mature Stem with Root 5.134273333333334 1.07153 9.07272 Root 5.307183333333334 3.15878 7.32661