condition mean min max Sterile Frond 0.14062866666666665 0.0 0.421886 Fertile Frond 1.9640206666666666 0.0 5.24947 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