condition mean min max Sterile Leaflet 0.012459 0.0 0.037377 Fertile Leaflet with Sori 6.369228333333333 0.317045 11.4894 Petiole 0.0547504 0.0 0.113457 Crozier 0.0 0.0 0.0 Rhizome 0.017963166666666665 0.0 0.0423754 Root 0.015814500000000002 0.0 0.0237913