condition mean min max Sterile Leaflet 1.34717 0.0 4.04151 Fertile Leaflet with Sori 0.20846633333333334 0.0 0.625399 Primary Rachis 3.1172400000000002 0.0 9.35172 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