condition mean min max Sterile Frond 17.257266666666666 12.0826 26.7408 Fertile Frond 15.5821 11.832 22.0047 Young Stem with Root 10.26254 5.88002 14.4163 Mature Stem with Root 25.413993333333334 9.59738 40.6927 Root 6.0005299999999995 1.5148 11.7404