condition mean min max Sterile Frond 0.17417566666666665 0.0 0.522527 Fertile Frond 2.2140596666666665 0.0 6.01011 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0