condition mean min max Sterile Leaflet 4.795162333333334 0.676777 9.88851 Fertile Leaflet with Sori 1.7846333333333333 1.04887 2.85056 Primary Rachis 0.037807 0.0 0.113421 Secondary Rachis 9.07211 0.183986 26.546 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.522376 0.0 0.889871