condition mean min max Sterile Frond 7.6975 0.0 16.5973 Fertile Frond 7.6176 0.0 11.6481 Young Stem with Root 9.751566666666665 0.0 19.031 Mature Stem with Root 4.5502693333333335 0.644418 10.1524 Root 4.0652 0.0 10.5193