Evaluating the status of fern and lycophyte nothotaxa in the context of the Pteridophyte Phylogeny Group classification (PPG I)DOI: info:10.1111/jse.12641Wiley
Liu, Hong‐Mei, Schuettpelz, Eric, and Schneider, Harald. 2020. "Evaluating the status of fern and lycophyte nothotaxa in the context of the Pteridophyte Phylogeny Group classification (PPG I)." Journal of Systematics and Evolution, https://doi.org/10.1111/jse.12641.