condition mean min max Sterile Leaflet 2.2154599999999998 0.0 6.64638 Fertile Leaflet with Sori 1.4495463333333334 0.0 4.06993 Primary Rachis 0.8006766666666666 0.0 2.40203 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0