condition mean min max Sterile Leaflet 0.33584283333333337 0.0939915 0.788514 Fertile Leaflet with Sori 2.49318 0.0 5.94742 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.08608993333333334 0.0 0.228059 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.3582633333333333 0.328394 0.392485