condition mean min max Sterile Frond 6.1599200000000005 5.28917 7.24566 Fertile Frond 7.83348 6.66093 10.1397 Young Stem with Root 6.712656666666667 5.5669 7.5286 Mature Stem with Root 6.96065 5.8247 8.96703 Root 4.45868 2.79901 6.93681