condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.721363333333333 0.0 8.16409 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.0059366666666665 0.0 6.01781 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0