condition mean min max Sterile Frond 0.500822 0.166753 1.16457 Fertile Frond 3.227556 0.0 8.89179 Young Stem with Root 0.298716 0.0 0.896148 Mature Stem with Root 3.493263 0.178589 5.67925 Root 3.4100633333333334 2.47098 4.60043