condition mean min max Sterile Leaflet 0.36025799999999997 0.0 0.822722 Fertile Leaflet with Sori 0.169098 0.0 0.257267 Primary Rachis 1.9923133333333334 0.0 5.97694 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