condition mean min max Sterile Leaflet 0.1668239 0.0682526 0.348297 Fertile Leaflet with Sori 4.3022306666666665 0.385252 6.59233 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.014875233333333333 0.0 0.0446257 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0