condition mean min max Sterile Frond 0.050256333333333326 0.0 0.150769 Fertile Frond 0.2584556666666667 0.0 0.775367 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.1248 0.0 12.3744 Root 0.049498999999999994 0.0 0.148497