condition mean min max Sterile Leaflet 0.9332796666666666 0.0 2.5574 Fertile Leaflet with Sori 1.7195383333333334 0.0 4.49069 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0