condition mean min max Sterile Leaflet 0.866328 0.0 2.49706 Fertile Leaflet with Sori 35.2725 19.3728 56.5235 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.307985 0.0 0.923955 Petiole 0.0 0.0 0.0 Crozier 0.06407500000000001 0.0 0.192225 Root 0.0 0.0 0.0