condition mean min max Sterile Frond 20.74754 2.31794 57.2116 Fertile Frond 21.557090000000002 4.4453 55.4106 Young Stem with Root 34.45719033333334 0.348751 100.295 Mature Stem with Root 20.56662 6.93496 42.8431 Root 2.407398 0.135524 6.07652