condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.053412966666666666 0.0 0.0820795 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.023377866666666667 0.0 0.0701336 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.7646049999999995 0.568435 9.57988