condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.82812 0.0 4.01758 Young Stem with Root 0.5010566666666666 0.0 1.50317 Mature Stem with Root 16.61341 2.34064 42.9274 Root 4.801443333333333 0.3209 7.95862