condition mean min max Sterile Leaflet 0.107478 0.0 0.161603 Fertile Leaflet with Sori 0.175489 0.0 0.526467 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11317133333333333 0.0 0.17475 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 8.64385 3.16089 16.6948