condition mean min max Sterile Leaflet 1.0295173333333334 0.201091 1.88765 Fertile Leaflet with Sori 3.05716 2.41887 4.14695 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.2934373333333333 0.817322 6.81368 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0