condition mean min max Sterile Leaflet 1.4387486666666667 0.966866 2.05764 Fertile Leaflet with Sori 2.50104 1.66378 3.56694 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.05921966666666667 0.0 0.177659 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0