;CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to mailto:evolseq@tauex.tau.ac.il >Ceratopteris cornuta 39=0.67_40=0.33 >Ceratopteris pteridoides 39 >Ceratopteris richardii 39 >Ceratopteris thalictroides 30=0.03_38=0.07_40=0.03_60=0.03_76=0.10_77=0.17_78=0.52_80=0.05