condition mean min max Sterile Leaflet 0.30969 0.196713 0.522366 Fertile Leaflet with Sori 14.903290000000002 0.0 42.4254 Primary Rachis 0.12165366666666666 0.0 0.364961 Secondary Rachis 0.105134 0.0 0.216087 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.11832166666666666 0.0 0.354965