condition mean min max Sterile Leaflet 1.7023233333333334 1.34088 2.02208 Fertile Leaflet with Sori 1.73736 1.64528 1.84773 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.1079098 0.0 0.259421 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0