condition mean min max Sterile Leaflet 0.058529 0.0 0.175587 Fertile Leaflet with Sori 10.273639666666666 0.436319 15.9248 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