condition mean min max Sterile Frond 0.690539 0.0 1.23468 Fertile Frond 7.495106666666667 0.0 15.2316 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.88955 0.0 1.3566 Root 0.678401 0.0 1.57425