Family CN: Brittle Fern Family Family Code: CYSTOP Family Authority: Schmakov 2001 Summary: A family of 3 genera and perhaps 30-40 species, perennials, sub-cosmopolitan in distribution, primarily of temperate regions but also in montane to alpine settings in tropical regions. Reference: Rothfels et al. (2014); Christenhusz, Zhang, & Schneider (2011). Last Updated: 2016-02-18 Publish: 1