condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.069118 0.0 0.207354 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.19614433333333334 0.0 0.588433 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.178205 0.239213 11.8041