condition mean min max Sterile Frond 2.82865 2.38642 3.2937 Fertile Frond 5.829223333333333 4.09065 6.81587 Young Stem with Root 6.4334 3.54243 7.94632 Mature Stem with Root 10.41293 8.17042 14.5189 Root 17.563953333333334 9.78456 32.297