condition mean min max Sterile Frond 13.363416666666666 4.49515 24.2251 Fertile Frond 9.39023 4.36916 15.6369 Young Stem with Root 14.66299 5.46167 28.2463 Mature Stem with Root 18.761 2.3058 39.7696 Root 22.821 2.2666 39.1047