condition mean min max Sterile Leaflet 0.5863913333333334 0.231297 1.18995 Fertile Leaflet with Sori 3.462381 0.256643 9.03001 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.8098056 0.0513668 2.14835 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 1.1274553 0.0628159 1.74523