condition mean min max Sterile Leaflet 0.200375 0.0 0.441973 Fertile Leaflet with Sori 3.0668 2.46563 3.59736 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.6490436666666666 0.0 1.51927 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.5219093333333333 0.142875 0.929097