condition mean min max Sterile Frond 0.08849566666666665 0.0 0.265487 Fertile Frond 2.0594433333333333 0.0 6.17833 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