condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 5.6154 0.0 16.8462 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 25.450873333333334 5.56992 43.3008 Root 5.112576 0.0 14.8455