Reappraisal and lectotypification of Justicia tanalensis S. Moore (Acanthaceae), rediscovered from central Madagascar more than 100 years since the last collection

A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus

Kalanchoe ×trageri, at last a name for K. blossfeldiana × K. pumila (Crassulaceae subfam. Kalanchooideae), a horticulturally successful nothospecies

Nomenclatural notes on the economically important Flaming Katy, Kalanchoe blossfeldiana (Crassulaceae subfam. Kalanchooideae)

Notes on Kalanchoe subg. Bryophyllum (Crassulaceae subfam. Kalanchooideae) and the kalanchoes of Sijfert H. Koorders (1919)

Taxonomy and nomenclature of Kalanchoe ×laetivirens (Crassulaceae subfam. Kalanchooideae), a further invasive nothospecies from Madagascar

Nomenclature of the partial infrageneric classification proposed for Kalanchoe (Crassulaceae subfam. Kalanchooideae) by René C.J.E. Maire in 1976