condition mean min max Sterile Frond 3.7833946666666667 0.0 10.4198 Fertile Frond 0.25893266666666664 0.0 0.776798 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.052584 0.0 0.157752