condition mean min max Sterile Leaflet 1.3096396666666668 0.0 3.16168 Fertile Leaflet with Sori 10.17384 5.91145 15.1484 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