condition mean min max Sterile Leaflet 1.120959 0.243739 2.85002 Fertile Leaflet with Sori 1.9277633333333333 1.18205 3.02193 Primary Rachis 7.645133333333334 1.1764 11.1564 Petiole 4.568051 0.610783 7.81031 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.677884 0.270855 0.956384