condition mean min max Sterile Leaflet 0.0200332 0.0 0.0600996 Fertile Leaflet with Sori 14.836291000000001 0.184955 43.4174 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0