condition mean min max Sterile Frond 0.128661 0.0 0.385983 Fertile Frond 0.12942333333333333 0.0 0.38827 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.0530333333333335 0.0 6.90364 Root 0.7012900000000001 0.0 2.10387