condition mean min max Sterile Frond 2.6611066666666665 0.0 7.98332 Fertile Frond 0.98541 0.0 2.95623 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0