condition mean min max Sterile Frond 1.5804049999999998 0.0 3.88751 Fertile Frond 1.130832 0.0 2.64332 Young Stem with Root 14.172433333333332 0.0 42.5173 Mature Stem with Root 0.6866183333333333 0.0 1.54644 Root 7.36831 0.0 19.0302