condition mean min max Sterile Frond 7.05109 5.80328 7.86031 Fertile Frond 7.900250000000001 7.42084 8.77142 Young Stem with Root 7.906996666666666 6.02674 10.3365 Mature Stem with Root 5.88586 4.06871 7.94545 Root 5.15991 4.42567 5.58819