The widely distributed Cystopteris fragilis brittle bladder-fern, complex is a challenging system for studying polyploid evolution, cytotype diversity, distribution and ecology. Hanušová et al. screen cytotypes over the...
Tag - pteridophytes
Alex Assiry
Trends and concepts in fern classification (Invited Review)
Christenhusz and Chase highlight which fern groups/genera have taxonomic issues that remain to be clarified, and propose the use of broader family concepts.
botanyone
Sweet nectar gives ferns a bitter taste
A collection of papers on Extrafloral Nectaries has recently moved into Free Access at Annals of Botany. One of the papers raises the question, can a plant that never flowers have extrafloral nectaries? Nectar secretion...
Alun Salt