condition mean min max Sterile Leaflet 0.145169 0.0 0.435507 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.6582766666666666 1.71054 6.46636 Root 2.2176466666666665 1.68651 3.14208