condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.3470600000000004 0.97159 4.57992 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.077735 0.0 0.233205 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0