condition mean min max Sterile Frond 25.999366666666667 17.0982 39.4763 Fertile Frond 24.1769 13.6035 29.4702 Young Stem with Root 23.567733333333333 13.4916 32.3272 Mature Stem with Root 14.722109999999999 7.40873 25.5326 Root 12.34173 8.66579 17.1495