condition mean min max Sterile Frond 17.0493 14.9152 21.1847 Fertile Frond 27.51643333333333 19.8378 35.9451 Young Stem with Root 24.136566666666667 16.9967 32.0221 Mature Stem with Root 17.3771 15.0575 20.6776 Root 14.3962 11.5676 19.1757