condition mean min max Sterile Frond 10.833343333333334 7.21663 12.8321 Fertile Frond 7.37898 3.42703 10.9971 Young Stem with Root 19.179 12.4526 22.5586 Mature Stem with Root 14.44167 8.01461 25.2356 Root 9.84427 5.61398 14.0387