March 25, 2024 Roush, D., A. Giraldo-Silva and F. Garcia-Pichel. 2021. Cydrasil 3, a curated 16S rRNA gene reference package and web app for cyanobacterial phylogenetic placement. Scientific Data 8:Art. 230. Home » Roush, D., A. Giraldo-Silva and F. Garcia-Pichel. 2021. Cydrasil 3, a curated 16S rRNA gene reference package and web app for cyanobacterial phylogenetic placement. Scientific Data 8:Art. 230.