condition mean min max Sterile Frond 2.16452 0.0 5.00133 Fertile Frond 0.5434410000000001 0.0 1.18513 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.023445933333333335 0.0 0.0703378 Root 0.0 0.0 0.0