A commentary on patterns of the distribution of liverwort and hornwort diversity appeared in the Journal of Biogeography:

Wang J., A. Vanderpoorten, A. Hagborg, B. Goffinet, B. Laenen & J. Patiño. Evidence for a latitudinal diversity gradient in liverworts and hornworts. Journal of Biogeography 44: 487–488. (DOI: doi: 10.1111/jbi.12909) pdf Google Scholar