condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 2.8784566666666667 0.0 8.63537 Mature Stem with Root 0.105836 0.0 0.317508 Root 0.0 0.0 0.0