condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.06965533333333333 0.0 0.208966 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.015550099999999999 0.0 0.0466503 Petiole 0.05575566666666667 0.0 0.112632 Crozier 1.99175 1.13199 2.60098 Root 0.247833 0.0 0.437013