condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.40166 0.0 5.03695 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 2.11004 1.3139 2.85298 Rhizome 0.28693033333333334 0.0 0.860791 Root 0.36685999999999996 0.0 1.10058