condition mean min max Sterile Frond 9.770523333333333 4.49386 16.4575 Fertile Frond 16.2323 12.7217 21.6315 Young Stem with Root 21.896583333333332 5.33285 33.2133 Mature Stem with Root 10.38976 4.13067 18.4188 Root 17.5505 12.9614 23.3678