condition mean min max Sterile Leaflet 0.062227000000000005 0.0 0.186681 Fertile Leaflet with Sori 2.134053333333333 1.00744 4.16745 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.19232800000000003 0.0 0.576984 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0