condition mean min max Sterile Frond 7.4562100000000004 2.09005 15.5242 Fertile Frond 2.2109300000000003 0.0 5.3349 Young Stem with Root 0.22340433333333332 0.0 0.670213 Mature Stem with Root 1.3626666666666667 0.0 2.58594 Root 0.0 0.0 0.0