condition mean min max Sterile Frond 5.731573333333333 2.6709 9.01892 Fertile Frond 4.84771 3.16591 7.44839 Young Stem with Root 3.684133333333333 2.37051 5.42768 Mature Stem with Root 3.1165499999999997 1.33404 4.21554 Root 1.5395020000000001 0.799956 2.23125