condition mean min max Sterile Leaflet 1.0999723333333333 0.398527 1.74839 Fertile Leaflet with Sori 2.8258900000000002 1.77079 3.70235 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.33792333333333335 0.0 1.01377 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0