condition mean min max Sterile Leaflet 0.6881516666666667 0.412618 1.07173 Fertile Leaflet with Sori 3.4773199999999997 1.02257 7.26556 Primary Rachis 2.4845143333333333 0.203013 5.92666 Secondary Rachis 1.226501 0.526613 1.72444 Petiole 0.9714013333333333 0.413724 1.4791 Crozier 0.22636199999999998 0.0 0.587756 Root 16.231 12.1165 19.2934