condition mean min max Sterile Leaflet 0.09843433333333333 0.0 0.162854 Fertile Leaflet with Sori 2.20957 1.01641 3.47539 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.006130233333333333 0.0 0.0183907 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0