condition mean min max Sterile Leaflet 3.05623 0.0 5.05189 Fertile Leaflet with Sori 1.5235243333333335 0.0 3.75239 Primary Rachis 0.618936 0.26076 0.984391 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