condition mean min max Sterile Frond 0.059849000000000006 0.0 0.179547 Fertile Frond 1.9814266666666667 0.0 4.11101 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0