condition mean min max Sterile Leaflet 0.24929866666666667 0.0 0.747896 Fertile Leaflet with Sori 3.49605 0.0 8.66508 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.20544700000000002 0.0 0.616341 Rhizome 0.0 0.0 0.0 Root 1.8687626666666666 0.871938 2.52126