condition mean min max Sterile Frond 0.790915 0.0 1.94035 Fertile Frond 0.297895 0.0 0.459356 Young Stem with Root 6.4570799999999995 1.61783 12.0575 Mature Stem with Root 1.7716066666666666 0.39814 2.74814 Root 0.13120666666666667 0.0 0.39362