condition mean min max Sterile Frond 1.1212417 0.0342571 2.85341 Fertile Frond 1.9062640000000002 0.227797 4.98528 Young Stem with Root 8.168866666666666 0.0 24.5066 Mature Stem with Root 1.6643983333333332 0.348201 3.8455 Root 11.332725 0.334275 22.7105