condition mean min max Sterile Frond 4.78164 2.68293 6.40439 Fertile Frond 2.573663333333333 1.36846 3.92161 Young Stem with Root 3.5264599999999997 1.6667 6.93113 Mature Stem with Root 5.772046666666666 4.61733 7.97571 Root 2.764895 0.643105 4.39003