condition mean min max Sterile Frond 0.29014676666666667 0.0 0.782659 Fertile Frond 3.004313333333333 0.0 7.78203 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