condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 8.5831 0.0 25.7493 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.14814066666666667 0.0 0.444422 Root 0.309923 0.0 0.547828