condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.0613766666666666 0.0 3.18413 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.3732056666666668 0.656317 5.24525 Root 0.5617196999999999 0.0 1.67031