condition mean min max Sterile Leaflet 0.84632 0.267007 1.74582 Fertile Leaflet with Sori 2.66295 0.0 5.96493 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.346808 0.0 0.546813 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0