condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 7.576433333333333 0.0 22.7293 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.5247499999999999 0.0 1.57425