condition mean min max Sterile Leaflet 3.843253333333333 1.53444 5.33367 Fertile Leaflet with Sori 2.081977333333333 0.932162 3.08735 Primary Rachis 0.14663333333333334 0.0 0.4399 Secondary Rachis 0.7534299999999999 0.0 1.19834 Petiole 0.372081 0.0 0.800104 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0