condition mean min max Sterile Frond 4.3439966666666665 0.0 12.1125 Fertile Frond 11.972474666666667 0.0 35.7599 Young Stem with Root 0.8978700000000001 0.0 2.69361 Mature Stem with Root 0.0 0.0 0.0 Root 0.44895 0.0 1.34685