condition mean min max Sterile Leaflet 0.192804 0.0 0.578412 Fertile Leaflet with Sori 38.3642 9.6897 64.9917 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.3406013333333333 0.0 3.7125 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.231034 0.0 0.693102