condition mean min max Sterile Frond 1.8381450000000001 0.0 5.16117 Fertile Frond 0.62945 0.0 1.88835 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.22249766666666668 0.0 0.667493 Root 0.0 0.0 0.0