condition mean min max Sterile Leaflet 0.9907116666666667 0.216215 1.38426 Fertile Leaflet with Sori 2.0411133333333336 1.93772 2.18522 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.63074 0.0 1.89222 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0