condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 6.239071333333333 0.716304 12.4644 Young Stem with Root 26.43166666666667 0.0 44.042 Mature Stem with Root 0.3177374 0.0 0.891334 Root 0.0 0.0 0.0