condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 10.573500000000001 0.0 31.7205 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.378134 0.0 0.812193 Root 1.18447 0.0 2.50148