condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.5299733333333334 0.0 2.85515 Young Stem with Root 0.168312 0.0 0.264619 Mature Stem with Root 7.84504 1.83314 16.6067 Root 13.25702 3.26619 31.4943