condition mean min max Sterile Leaflet 2.3219600000000002 0.0 6.96588 Fertile Leaflet with Sori 0.20911166666666667 0.0 0.627335 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