condition mean min max Sterile Leaflet 0.32410066666666665 0.0 0.972302 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 1.824902 0.724778 4.01656 Root 16.775029999999997 7.82505 33.3471