- Cantino PD, de Queiroz K. 2000
- PhyloCode: a phylogenetic code of biological nomenclature
- Cárdenas GG, Tuomisto H, Lehtonen S. 2016
- Newly discovered diversity in the tropical fern genus Metaxya based on morphology and molecular phylogenetic analyses.
- Chase MW, Reveal JL. 2009
- A phylogenetic classification of the land plants to accompany APG III.
- Christenhusz MJM, Chase MW. 2014
- Trends and concepts in fern classification.
- Christenhusz MJM, Jones M, Lehtonen S. 2013
- Phylogenetic placement of the enigmatic fern genus Dracoglossum.
- Christenhusz MJM, Schneider H. 2011
- Corrections to Phytotaxa 19: Linear sequence of lycophytes and ferns.
- Christenhusz MJM, Zhang X-C, Schneider H. 2011
- A linear sequence of extant families and genera of lycophytes and ferns.
- Christenhusz MJM. 2007
- Dracoglossum, a new neotropical fern genus (Pteridophyta).
- Christenhusz MJM. 2012
- Pteridaceae. In: Greuter W, von Raab-Straube E eds. Euro+Med Notulae, 6.
- Christensen C, Ching RC. 1934
- Pteridrys, a new fern genus from tropical Asia.
- Clause RT. 1938
- A monograph of the Ophioglossaceae.
- Cochran AT, Prado J, Schuettpelz E. 2014
- Tryonia, a new taenitidoid fern genus segregated from Jamesonia and Eriosorus (Pteridaceae).
- Conant DS. 1983
- A revision of the genus Alsophila (Cyatheaceae) in the Americas.
- Copeland EB. 1947
- Genera Filicum