condition mean min max Sterile Leaflet 0.07053833333333333 0.0 0.211615 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.107188 0.0 0.321564 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.180706666666667 0.0 9.54212