condition mean min max Sterile Frond 0.19409433333333334 0.0 0.582283 Fertile Frond 2.96393 0.0 8.89179 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.0116656666666666 0.178589 2.22538 Root 0.226669 0.0 0.494196