condition mean min max Sterile Frond 2.694123333333333 0.0 7.04416 Fertile Frond 0.66169 0.0 1.98507 Young Stem with Root 0.0017043633333333333 0.0 0.00511309 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0