condition mean min max Sterile Leaflet 0.251063 0.0 0.753189 Fertile Leaflet with Sori 4.9611600000000005 3.36801 6.11347 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0