condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.066864 0.0 2.88281 Young Stem with Root 0.08807633333333333 0.0 0.264229 Mature Stem with Root 10.628546 0.581558 29.9669 Root 12.38673 3.62838 28.2238