condition mean min max Sterile Leaflet 2.692769 0.101467 4.36688 Fertile Leaflet with Sori 0.3884396666666667 0.340684 0.469852 Primary Rachis 0.03541453333333333 0.0167084 0.0620421 Secondary Rachis 0.43545613333333333 0.0202124 1.18557 Petiole 0.0111582 0.0 0.0334746 Crozier 0.0 0.0 0.0 Root 0.0105177 0.0 0.0315531