condition mean min max Sterile Frond 40.153000000000006 17.1996 77.7112 Fertile Frond 37.99293333333333 23.2046 63.3693 Young Stem with Root 25.075400000000002 16.1983 32.6388 Mature Stem with Root 52.931866666666664 36.9663 66.4144 Root 51.3172 24.6007 82.2879