condition mean min max Sterile Frond 19.970679999999998 8.08704 39.6243 Fertile Frond 18.266000000000002 12.6867 28.5572 Young Stem with Root 15.313753333333333 3.66006 27.0438 Mature Stem with Root 30.3704 18.5215 45.9769 Root 43.541533333333334 29.229 70.4903