condition mean min max Sterile Frond 4.92787 1.18628 8.40366 Fertile Frond 3.02324 1.77161 4.90705 Young Stem with Root 1.7163066666666666 1.36951 2.28691 Mature Stem with Root 4.867018 0.987004 7.98597 Root 0.3006293333333333 0.239779 0.337454