condition mean min max Sterile Frond 8.846373333333334 6.76369 10.8145 Fertile Frond 8.99125 4.81885 11.7079 Young Stem with Root 1.8424236666666667 0.336901 3.84227 Mature Stem with Root 3.3098539999999996 0.561792 8.35118 Root 1.651613 0.0 4.63533