condition mean min max Sterile Frond 0.116114 0.0 0.348342 Fertile Frond 2.0491066666666664 0.0 6.14732 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.855807 0.0 1.70544 Root 0.0 0.0 0.0