condition mean min max Sterile Leaflet 0.028715400000000002 0.0 0.0861462 Fertile Leaflet with Sori 3.2695459999999996 0.0 9.32434 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.8220999999999999 0.0 2.4663 Petiole 0.03810966666666667 0.0 0.114329 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0