condition mean min max Sterile Leaflet 6.1783600000000005 1.69521 12.326 Fertile Leaflet with Sori 8.136826666666666 6.12986 11.5072 Primary Rachis 2.4702933333333332 1.32738 4.13424 Secondary Rachis 5.421329999999999 3.22641 6.53255 Petiole 1.6262833333333333 0.0 3.43438 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0