condition mean min max Sterile Leaflet 0.20601433333333333 0.165236 0.25099 Fertile Leaflet with Sori 2.2084733333333335 1.17968 4.10395 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.2381787 0.0613651 0.334346 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0