condition mean min max Sterile Frond 4.206619 0.0 11.6997 Fertile Frond 0.6421533333333334 0.0 1.92646 Young Stem with Root 0.25143733333333335 0.0 0.754312 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0