condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.39152200000000004 0.0 0.937161 Crozier 0.13594033333333333 0.0 0.407821 Rhizome 1.3417066666666668 0.0 4.02512 Root 3.122245 0.430135 4.48721