condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.00254 0.0 6.00762 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.1509266666666667 0.0 3.45278 Root 12.093142 0.405714 35.456