condition mean min max Sterile Frond 0.7620750000000001 0.0 1.88589 Fertile Frond 3.05157 0.0 9.15471 Young Stem with Root 3.040051 0.0 8.91787 Mature Stem with Root 1.4859166666666668 0.0 3.23788 Root 0.068853 0.0 0.206559