condition mean min max Sterile Frond 0.7319300000000001 0.0 2.19579 Fertile Frond 2.8633966666666666 0.0 8.59019 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.92227 0.0 4.58603 Root 0.0 0.0 0.0