condition mean min max Sterile Frond 11.57937 9.37621 13.0593 Fertile Frond 13.603566666666666 10.8243 18.1849 Young Stem with Root 25.17 14.2963 35.936 Mature Stem with Root 18.950766666666667 14.1683 24.3455 Root 15.791300000000001 10.1353 20.8899