condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.3937566666666665 0.0 7.18127 Primary Rachis 0.05803666666666666 0.0 0.17411 Secondary Rachis 0.66376 0.0 1.99128 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0