condition mean min max Sterile Frond 0.12763166666666667 0.0 0.382895 Fertile Frond 5.673900000000001 0.0 13.0005 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0