condition mean min max Sterile Frond 5.1376800000000005 4.84869 5.42731 Fertile Frond 8.60683 5.61242 13.5955 Young Stem with Root 12.107190000000001 6.85017 16.8716 Mature Stem with Root 6.917093333333334 4.48315 11.1072 Root 9.426726666666667 6.16638 12.9234