phangorn (>= 1.99.12), stats, phytools, graphics, grDevices,
methods, utils
phangorn (>= 2.0.0), stats, phytools (>= 0.6-00), graphics,
grDevices, methods, utils
phangorn (>= 2.0.0), stats, phytools (>= 0.6-00), jsonlite,
graphics, grDevices, methods, png, RCurl, utils
phangorn (>= 2.6.3), stats, phytools (>= 0.6-00), jsonlite,
graphics, grDevices, methods, png, RCurl, utils